903R87008
Distribution of
Submerged Aquatic Vegetation in
the Chesapeake Bay and
Tributaries and Chincoteague Bay
QH
541.5
,E8
083
1987
Virginia Institute of Marine Science
School of Marine Science
College of William and Mary
1987
II.f. [-••:-ryr~?-h! Pmfecfion Agency
F:c;'r,n Hf 'n'ormjhon Resource
13107
-------
Distribution of Submerged Aquatic Vegetation in
the Chesapeake Bay and Tributaries and Chincoteague Bay - 1987
by
Robert J. Orth, Adam A. Frisch, Judith F. Nowak, and Kenneth A. Moore
Virginia Institute of Marine Science
School of Marine Science
College of William and Mary
Gloucester Point, VA 23062
Contributions by:
Nancy Rybicki
R.T. Anderson
Virginia Carter
U.S. Geological Survey
Reston, VA 22092
U.S. Environmental Protection Agency
Reg,:on III Information Resource
Center (3PM52)
841 Chestnut Street
Philadelphia, PA 19107
Funded by: Maryland Department of Natural Resources
Virginia Institute of Marine Science
U.S. Fish and Wildlife Service
U.S. Environmental Protection Agency
Allied-Signal Inc.
National Oceanographic Atmospheric Administration
Final Report Submitted to:
U.S. Environmental Protection Agency
Chesapeake Bay Program
Annapolis, MD 21403
April, 1989
Cover Photo: Aerial photograph of the Potomac River
south of Washington D.C., shot at 12,000
feet by AEROECO Inc., Edgewater, MD.
-------
CONTENTS
Page
Tables IV
Figures V
Executive Summary VII
Acknowl edgements XI
1. Introduction 1
2. SAV Species 3
3. Methods 4
Introduction 4
Aeri al photography 4
Mapping process 9
SAV perimeter digitization and area calculation 13
Tests of precision and accuracy 16
Calculation of SAV bed mean area 17
Standard operating procedures 17
Conversion of SAV Perimeter Points to Latitude & Longitude.. 18
Organizational provinces for analysis 20
Ground truth and other data bases 25
Data presentation 30
4. Results 48
Susquehanna Flats (Section 1) 48
Upper Eastern Shore (Section 2) 50
Upper Western Shore (Section 3) 52
Chester River (Section 4) 54
Central Western Shore (Section 5) 54
Eastern Bay (Section 6) 57
Choptank River (Section 7) 59
Patuxent River (Section 8) 61
Middle Western Shore (Section 9) 61
Lower Potomac River (Section 10) 64
Upper Potomac River (Section 11) 66
Middle Eastern Shore (Section 12) 70
Mid-Bay Island Complex (Section 13) 72
Lower Eastern Shore (Section 14) 72
Reedville (Section 15) 75
Rappahannock River Complex (Section 16) 75
New Point Comfort Region (Section 17) 78
Mobjack Bay Complex (Section 18) 78
York River (Section 19) 81
Lower Western Shore (Section 20) 81
James River (Section 21) 84
Chincoteague Bay 86
II
-------
CONTENTS (CONTINUED)
5. Hi storical Trends 88
York River 90
Rappahannock River 95
Eastern Shore 100
6. Li terature Ci ted .' 105
7. Appendices , 108
A. Species of submerged aquatic plants found in the
Chesapeake Bay and tributaries 109
B. Latitude and longitude coordinate points defining
the 21 major section:; of the Chesapeake Bay
SAV study area and Chincoteague Bay 110
C. Topographic quadrangles showing distribution,
abundance, and ground truthing of SAV in 1987 114
D. SAV bed areas for each topographic quadrangle in 1987 219
III
-------
TABLES
Number Page
1 Guidelines for acquisition of aerial photographs 7
2 List of topographic quadrangles in Chesapeake Bay and
Chincoteague Bay SAV study areas and corresponding
code numbers 11
3 Area description for 21 major sections in the Chesapeake
Bay SAV study area 23
4 Total area of SAV by quadrangles for 1987 31
5 Number of hectares of SAV for each of the major sections
in the bay for 1987 38
6 Number of square meters of SAV in each quadrangle of the
21 major sections for 1987 39
IV
-------
FIGURES
Number Page
1. Map of Chesapeake Bay and tributaries with locations of
all SAV beds in 1987 VIII
2 Approximate location of flight lines where SAV photo-
graphy was acquired in 1987 6
3 Location of topographic quadrangles in the Chesapeake Bay
and tributaries and Chincoteague Bay for determining
distribution of SAV 10
4 Crown density scale used for determining density of SAV beds:
very sparse (1), 0-10%; sparse (2), 10-40%; moderate (3),
40-70%; dense (4), 70-100% 14
5 Location of upper, middle and lower zones of the Chesapeake
Bay and the 21 major sections used for delineation of SAV
distribution patterns (see Table 3 and text and Appendix B
for exact boundaries) 22
6 Location of USGS vegetation sampling transects in the
tidal Potomac River above Mattawoman Creek 27
7 Location of USGS vegetation sampling transects from
Mattawoman Creek to Port Tobacco River 28
8 Distribution of SAV in Susquehanna Flats section 49
9 Distribution of SAV in Upper Eastern Shore section 51
10 Distribution of SAV in Upper Western Shore section 53
11 Distribution of SAV in Chester River section 55
12 Distribution of SAV in Central Western Shore section 56
13 Distribution of SAV in Eastern Bay section 58
14 Distribution of SAV in Choptank River section 60
15 Distribution of SAV in Patuxent River section 62
16 Distribution of SAV in Middle Western Shore section 63
17 Distribution of SAV in Lower Potomac River section 65
18 Distribution of SAV in Upper Potomac River section 67
19 Percent cover of Hydrilla in vegetated areas in the tidal
Potomac River in 1987 68
-------
FIGURES (continued)
Number Page
20 Percent cover of submersed aquatic vegetation in the tidal
Potomac Ri ver i n 1987 69
21 Distribution of SAV in Middle Eastern Shore section 71
22 Distribution of SAV in Mid-Bay Island Complex section 73
23 Distribution of SAV in Lower Eastern Shore section 74
24 Distribution of SAV in Reedville section 76
25 Distribution of SAV in Rappahannock River Complex section... 77
26 Distribution of SAV in New Point Comfort section 79
27 Distribution of SAV in Mobjack Bay Complex section 80
28 Distribution of SAV in York River section 82
29 Distribution of SAV in Lower Western Shore section 83
30 Distribution of SAV in James River section 85
31 Distribution of SAV in Chincoteague Bay 87
32 Location of 3 areas used in historical trends analysis 89
33 SAV changes in the York River, 1971-1987 91
34 SAV in the York River, 1971 92
35 SAV in the York River, 1978 93
36 SAV in the York River, 1987 94
37 SAV changes in the Rappahannock River, 1971-1987 96
38 SAV in the Rappahanncck River, 1971 97
39 SAV in the Rappahanncck River, 1974 98
40 SAV in the Rappahanncck River, 1987 99
41 SAV changes along the lower Eastern Shore, 1978-1987 101
42 SAV along the lower Eastern Shore, 1978 102
43 SAV along the lower Eastern Shore, 1980 103
44 SAV along the lower Eastern Shore, 1987 104
VI
-------
EXECUTIVE SUMMARY
The distribution of submerged aquatic vegetation during 1987 in the
Chesapeake Bay, its tributaries, and Chincoteague Bay, was mapped at a scale
of 1:24,000 using color aerial photography. SAV bed perimeter information
was digitized and stored in a computerized data base. Ground truth
information was obtained from the U.S. Geological Survey, the Maryland
Department of Natural Resources, the University of Maryland Horn Point
Laboratory, Harford Community College and the Virginia Institute of Marine
Science. Citizen support via the U. S. Fish and Wildlife Service and
Chesapeake Bay Foundation, as well as the Maryland Charterboat Association
via the Maryland DNR Watermen's Assistance Program, provided additional
ground truth information.
In 1987, the Chesapeake Bay had 20,119 hectares of SAV, with 2,954 ,
9,202 and 7,963 hectares occurring in the Upper, Middle and Lower Bay zones,
respectively (Fig. 1). Seventy-five percent of the SAV in the Upper Bay
zone was located in the Susquehanna Flats section. Nine species of SAV were
documented by ground truth surveys in this section, with Mvriophvllum
spicatum being the dominant species. Hvdrilla verticillata was found in the
Flats but occurred in small isolated beds, as did all SAV in this area. In
the Upper Western Shore section SAV was concentrated in the Bush, Gunpowder,
and Middle Rivers, in particular Saltpeter and Seneca Creeks, with M.
spicatum and Vallisneria americana being most abundant. In the Chester
River section, SAV was most abundant adjacent to Eastern Neck and Eastern
Neck Island and in Langford Creek. In this region Ruppia maritima was the
most abundant of six species which were reported.
VII
-------
3940.0
i
SUSQUEHANNA
CHESAPEAKE
BAY
3910.0
3840.0
3810.0
3740.0
3710.0
PATAPSCO R.
3640.0
Figure 1. Map of Chesapeake Bay and tributaries with
locations of all SM beds in 1987.
VIII
-------
In the Middle Bay Zone SAV was abundant in: the Eastern Bay; the lower
Honga River area including Barren Island; Big and Little Annemessex Rivers;
the lower sections of the Manokin River; Bloodsworth, Southmarsh, Smith and
Tangier Islands, and the broad shoal area between Smith and Tangier Islands.
This Middle Bay zone was redrawn from earlier surveys and now includes
additional areas of SAV formerly designated to the Lower Bay zone. R.
maritima was the dominant species reported for this mid-bay area, with Z.
marina being abundant in the Smith-Tangier Island area.
The Middle Bay zone also includes the entire Potomac River. SAV was
concentrated in two distinct zones: the tidal freshwater region where H.
verticillata was the numerically dominant species, and in the region around
the Rt. 301 bridge, including the Nanjemoy and Port Tobacco Creeks. V.
americana and M. spicatum were dominant species in this area. The total SAV
in the Hydrilla dominated areas has not increased appreciably during the
last 2 years, although Hydn'lla has been reported further downriver.
SAV was abundant throughout the entire Lower Bay zone except for the
James River. Fifty-one percent of SAV in the Lower Bay zone was found in
the Lower Eastern Shore section, around the Fox Islands and the mouths of
major creeks (i.e Cherrystone Inlet, Hungars Creek, Mattawoman Creek,
Occahannock Creek, Craddock Creek, Pungoteague Creek and Onancock Creek).
Along the western shore, SAV was abundant in Mobjack Bay (15% of SAV in the
Lower Bay zone), lower York River, Back River and Drum Island Flats area
adjacent to Plum Tree Island. Both R. maritima and Z. marina were abundant
throughout this zone. R. maritima had rapidly spread in both the Piankatank
and Rappahannock Rivers in the last year, occurring in sparse to dense beds
in many previously unvegetated areas, especially in the Corrotoman River.
IX
-------
SAV in Chincoteague Bay was little changed in distribution from 1986.
All of the SAV consisted of R. rnaritima and Z. marina and was located along
the eastern side of the bay behind Assateague Island.
SAV distribution since the 1970's was examined for three locations in
the Chesapeake Bay which represent different scenarios of change that SAV
has undergone: 1. The York River (1971-1987) where SAV declined in upstream
sites in the early 1970's but has been slowly returning over the last five
years; 2. The Rappahannock River (1971-1987) where SAV almost completely
disappeared in the early 1970's and has just recently been returning to a
few sections, and 3. The lower liastern Shore (1978-1987) where SAV had only
slightly declined in the 1970's, Continued monitoring of the changes in SAV
populations at these sites as well as others, coupled with detailed water
quality measurements and laboratory experimentation, should lead to a much
greater understanding of those factors that control the distribution and
abundance of SAV in the Chesapeake Bay.
-------
ACKNOWLEDGEMENTS
We would like to gratefully acknowledge all federal and state agencies
who financially supported this project: the Maryland Department of Natural
Resources (Md.DNR); the Virginia Institute of Marine Science (VIMS); the
U.S. Fish and Wildlife Service (F&WS); the U.S. Environmental Protection
Agency (USEPA); and the National Oceanographic and Atmospheric
Administration (NOAA). Also, we thank Allied - Signal, Inc. for generously
providing funding for this work.
Acknowledgement would not be complete without commendation for the
groups which provided ground truthing of SAV beds which was used in
conjunction with interpretation of the 1987 photography. F&WS and the
Chesapeake Bay Foundation (CBF) organized citizens to report locations and
species composition of grassbeds around the Bay. In addition, members of
the Maryland Charterboat Association were funded by the Md.DNR to
participate in the ground truthing program and contributed valuable
information on location and species composition of SAV beds in Maryland
waters. J. Court Stevenson and Lori Staver of the University of Maryland,
Horn Point Environmental Laboratory (HPEL), and Stan Kollar of Harford
Community College (HCC) provided ground truth information for certain
specific regions of the Maryland portion of the Bay.
XI
-------
Nancy Rybicki, R.T. Anderson and Virginia Carter of the U.S. Geological
Survey (USGS) provided ground truth information from three 1987 surveys
conducted on portions of the Potomac River and also contributed figures to
this report from their open-file report (Rybicki, et. al., 1988). VIMS
personnel who assisted in ground truthing Virginia waters of the Bay are
Curtis Harper, Angela Barbieri, Jim Perry, Carol Curtis, George Pongonis,
and Steve George.
The production of this report required the dedication of numerous
scientists, technicians, artists, photographers, and others. The following
people deserve a note of thanks: Bert Brun and Linda Hurley, U.S. F&WS;
Frank Dawson, Md.DNR; Rich Batiuk and Rickie Price, USEPA-Chesapeake Bay
Program (CBP); Margaret Podlich (CBF). We are especially grateful to the
dedicated VIMS personnel who contributed greatly to the production of this
report: Jan Hodges, Tim Smithwick, Michelle Feeley, Jennifer Whiting, and
Chris Peery for assistance in data collection and compilation; Mary Jo
Shackelford, Harold Burrell, Kay Stubblefield, Diane Bowers, Silvia Motley,
and Billy Jenkins for graphic art work on the SAV maps reproduced in
Appendix C, and for figure preparation, photography and printing; Ruth
Hershner, Valise Jackson, and Janet Walker for word processing; Pat Hall and
David Boughan for computer services; and Cathy Hodock, Marion King, and Ned
Hedrick of the purchasing department. Leigh Medford, Photographic Services,
Virginia Department of Transportation; Claud Summers, U.S. Geological Survey
(USGS), National Cartographic Information Center (NCIC), Mid-Continent
Mapping Center; and Craig Breen, Engineering Media Inc., were helpful in the
procurement of high quality to?o maps and map copies. Robert Macomber
(AEROECO) conducted the aerial photographic missions and was responsible for
the high quality photographs.
XII
-------
Technical reviewers of the 1987 report were Linda Hurley (F&WS), Frank
Dawson (MdDNR), Robert Blama (Corps of Engineers, Baltimore District), Rich
Batiuk (USEPA-CBP), Debbie Jellick (Metropolitan Council of Governments),
Jim Cummings (ICPRB), Tim Goodyear (NOAA), Catherine Harold (Virginia
Council on the Environment), Stan Kollar (HCC), Court Stevenson and Lori
Staver (HPEL), and Virginia Carter and Nancy Rybicki (USGS).
XIII
-------
SECTION 1
INTRODUCTION
A major goal of the Chesapeake Bay cleanup program is to insure that
the living resources of the bay remain viable and productive components of
the bay ecosystem. Understanding the complexity of the Chesapeake Bay, in
particular those factors that affect the distribution and abundance of the
living resources, is critical if we are to develop effective management
strategies to improve the quality of the Chesapeake Bay environment.
Submerged aquatic vegetation (SAV) is one of the most important living
resources of the Chesapeake Bay. Because of its sensitivity to small
changes in environmental conditions, SAV can serve as a barometer of the
health of the bay (Orth and Moore, 1988). A key component to understanding
factors affecting spatial and temporal changes in distribution and abundance
of SAV is documentation of annual changes in abundance of SAV beds over a
long period.
The Chesapeake Bay Program includes a component which emphasizes the
monitoring of living resources on a regular basis. Since SAV communities
can respond quickly to changes in water quality, comprehensive monitoring of
this resource can provide an integrated view of the status of eutrophication
and relative health of the system throughout much of the bay region.
SAV communities in the entire Chesapeake Bay and tributaries have been
photographed, mapped and the areas of the beds digitized in 1978, 1984,
1985, 1986 and 1987 while portions of the upper bay were mapped and
1
-------
digitized in 1979 and the lower bay was mapped and digitized in 1980 and
1981 (Orth, et. al., 1979; Anderson and Macomber, 1980; Orth, et. al., 1985,
1986, 1987). Numerous SAV ground surveys have been conducted but most have
been limited to specific sections. No one ground survey has delineated
baywide SAV patterns. Aerial photography has proved to be a useful tool in
examining SAV distribution patterns and, when combined with appropriate
ground data, has provided an accurate, synoptic picture of baywide SAV
distribution. The goal of the 1987 work was to continue the annual
monitoring of SAV on a baywide basis using aerial photographic methods with
appropriate ground truth to substantiate presence or absence of SAV in
particular sections.
-------
SECTION 2
SAV SPECIES
Ten species of submerged aquatic vegetation are commonly found in the
Chesapeake Bay and its tributaries. Zostera marina (eelgrass) is dominant
in the lower reaches of the bay. Mvriophvllum spicatum (water milfoil),
Potamoqeton pectinatus (sago pondweed), Potamoqeton perfoliatus (redhead
grass), Zannichellia palustris (horned pondweed), Vallisneria americana
(wild celery), El odea canadensis (common elodea), Ceratophvllum demersum
(coontail) and Na.ias guadalupensis (southern naiad) are less tolerant of
high salinities and are found in the middle and upper reaches of the bay
(Stevenson and Confer, 1978; Orth et al., 1979; Orth and Moore, 1981, 1983).
Ruppia maritima (widgeongrass) is tolerant of a wide range of salinities and
is found from the bay mouth to the Susquehanna Flats. Approximately eleven
other species are only occasionally found, and when present, occur primarily
in the middle and upper reaches of the bay and the tidal rivers (Appendix
A). Hvdrilla verticillata (hydrilla), presently dominates SAV beds in the
tidal freshwater reaches of the Potomac River and has also been reported
from the Susquehanna Flats, where its growth has not been as widespread
(Kollar, pers. comm.).
-------
SECTION 3
METHODS
Introduction
Color aerial photography at a scale of 1:24,000 was the principal
source of information used to assess the distribution and abundance of SAV
in the Chesapeake Bay, its tributaries, and Chincoteague Bay in 1987. SAV
beds mapped from photographs onto United States Geological Survey (USGS) 7.5
minute topographic quadrangles were then digitized, providing a digital data
base for analysis of bed area and location. Ground truth information
collected in 1987 was mapped onto the same topographic quadrangles.
Aerial Photography
The 1987 SAV photography was obtained by AEROECO (Edgewater, MD) using
a Zeiss Jena LMK 15/2323 camera, a 153 mm (6 inch) focal length Zeiss Jena
Lamegon PI/C lens, and Kodak 24 cm (9 1/2 inch) square negative Aerochrome
MS type 2445 film. The camera was mounted in the bottom fuselage of
AEROECO'S Partenavia P68 Observer, a twin engine high wing reconnaissance
aircraft. Photography was acquired at approximately 12,000 feet altitude,
yielding a 1:24,000 photographic scale.
Flight lines for photography were predetermined by AEROECO (and
approved by the Principal Investigators) to include all areas known to have
SAV, as well as those areas which could potentially have SAV (i.e., all
areas where water depths were less than 2 m at mean low water), as well as
land features necessary as control points for accurate mapping.
-------
Flight lines were drawn on 1:250,000 scale USGS maps (Fig. 2).
Flight lines were prioritized by major sections and dates of flight
windows for aerial photography were specified by the Principal Investigators
by contract with AEROECO. Acquisition of photography was timed to occur at
peak standing crop of species known to occur in the sections. In addition,
specific areas with significant coverage were given priority. Prior
documentation and approval by the funding agencies was required to extend
dates of flight windows if necessary. Actual dates of acquisition of
photography are noted on each quadrangle map in Appendix C.
General guidelines for mission planning and execution (Table 1) address
tidal stage, plant growth, sun elevation, water and atmospheric
transparency, turbidity, wind, sensor operation, and plotting. Adherence to
these guidelines assured acquisition of photography under nearly optimal
conditions for detection of SAV, thus insuring accurate photo
interpretation.
Quality assurance and calibration procedures are as follows. The
altimeter was calibrated by the Federal Aviation Administration annually.
Photographic settings were selected with an automatic exposure control. Sun
angle was measured with an indicator on the plane. Flight lines were
plotted on 1:250,000 scale maps to allow for overlap of photography. To
minimize image degradation due to sun glint, the camera was equipped with a
computer controlled intervalometer which established 60% line overlap and
20% sidelap. An automatic bubble level held the camera to within one degree
-------
0 J 20
KILOMETER
Figure 2. Map of Chesapeake Bay and tributaries with approximate
locations of flight lines for 1987 photography.
-------
TABLE 1. GUIDELINES FOLLOWED DURING ACQUISITION OF AERIAL PHOTOGRAPHS.
1. Tidal Stage - Photography was acquired at low tide, +/- 0-1.5 ft., as
predicted by the National Ocean Survey tables.
2. Plant Growth - Imagery was acquired when growth stages ensured maximum
delineation of SAV, and when phenologic stage overlap was greatest.
3. Sun Angle - Photography was acquired when surface reflection from sun
glint did not cover more than 30 percent of frame. Sun angle was
generally between 20 and 40 to minimize water surface glitter. At
least 60 percent line overlap and 20 percent side lap was used to
minimize image degradation due to sun glint.
4. Turbidity - Photography was acquired when clarity of water ensured
complete delineation of grass beds. This was visually determined from
the airplane to insure that SAV could be seen by the observer.
5. Wind - Photography was acquired during periods of no or low wind. Off-
shore winds were preferred over on-shore winds when wind conditions
could not be avoided.
6. Atmospherics - Photography was acquired during periods of no or low haze
and/or clouds below aircraft. There could be no more than scattered or
thin broken clouds, or thin overcast above aircraft, to ensure maximum
SAV to bottom contrast.
7. Sensor Operation - Photography was acquired in the vertical mode with
less than 5 degrees tilt. Scale/altitude/film/focal length combination
permitted resolution and identification of one square meter area of SAV
(surface).
8. Plotting - Each flight line included sufficient identifiable land area
to assure accurate plotting of grass beds.
-------
tilt. The scale/altitude/film/focal length combination was coordinated to
produce two foot resolution. Wind speed was monitored hourly from the
flight service available in the region. Under normal operating conditions,
flights were usually conducted under wind speeds less than 10 mph. (Above
this, wind generated waves stir the bottom sediments which can easily
obscure SAV beds in less than one hour.) Pilot experience determined what
acceptable level of turbidity would insure complete delineation of SAV beds.
(Robert Macomber of AEROCOo, personally responsible for acquisition of the
photography, has had 10 years experience in aerial photography of SAV and is
knowledgeable of the Chesapeake Bay and tributaries.) At low tide the pilot
should have been able to distinguish bottom features such as SAV or algae.
When turbid conditions prevailed photography did not commence. Cloud cover
did not exceed 5% of the area covered by the camera frame. Determination of
cloud cover was based on pilot experience. Records of this parameter were
kept in a flight notebook. Every attempt was made to acquire photographs
with no cloud cover below 12,000 feet. A thin haze layer above 12,000 feet
was generally acceptable. Experience has shown that the optimal conditions
given above generally occur two to three days following passage of a cold
front when winds have shifted from north-northwest to south and moderated to
less than 10 mph. Where possible, and within the guidelines given for
proiritizing and executing the photography, flights were planned to coincide
with these atmospheric conditions.
Exposed film was processed by AEROECO. A contact print was produced
for each exposed frame. Each photograph was labeled with date and time of
acquisition as well as location. Film and photographs were stored under
appropriate environmental conditions to prevent degradation of the product.
-------
Mapping Process
This study utilized USGS 7.5 minute topographic quadrangle maps as a
basis for mapping SAV beds from aerial photography, for digitizing the SAV
beds, and for compiling SAV bed area measurements. Figure 3 gives locations
of topographic quadrangles in the study area which includes all regions with
potential for SAV growth. Most quadrangles are sequentially numbered for
efficient access to data. The name corresponding to each quadrangle in
Figure 3 is listed in Table 2.
Photo interpretation to identify and delineate SAV beds utilized all
available information including knowledge of aquatic grass signatures on
film, distribution of SAV in 1986 from aerial photography, 1987 ground truth
information, and aerial site surveys. USGS published 7.5 minute topographic
quadrangle masters (1:24,000 scale) printed by the Mid-continent Mapping
Center of the USGS on stable transparent mylar were used as base maps.
Identical copies of these base maps were made at the same scale on stable
transparent mylar by the Virginia Department of Highways using a diazo
process. SAV from the 1987 aerial photographs was mapped onto these diazo
copies of USGS topographic quadrangles. Delineation of SAV bed boundaries
onto the topgraphic quadrangle maps was facilitated by superimposing the
photographic print with the appropriate mylar quadrangle on a light table.
SAV boundaries were then traced directly onto the mylar quadrangle with a
pencil. Where minor scale differences were evident between a photograph and
a quadrangle, or where significant shoreline erosion or accretion had
occurred since USGS publication of a map, either a best fit was obtained or
shoreline changes were noted on the quadrangle.
-------
KILOMETER
Figure 3. Location of USGS topographic quadrangles in the Chesapeake
Bay, its tributaries and Chincoteague Bay.
10
-------
TABLE 2. LIST OF USGS 7.5 MINUTE QUADRANGLES IN CHESAPEAKE BAY AND
CHINCOTEAGUE BAY SAV STUDY AREAS AND CORRESPONDING CODE
NUMBERS (SEE FIG. 3 FOR LOCATION OF QUADRANGLES. THOSE
TOPOGRAPHIC QUADRANGLES WITH SAV BEDS CAN BE FOUND IN
APPENDIX C).
1. Conowingo Dam, Md.-Pa. 46.
2. Aberdeen, Md. 47.
3. Havre de Grace, Md. 48.
4. North East, Md. 49.
5. Elkton, Md. 50.
6. White Marsh, Md. 51.
7. Edgewood, Md. 52.
8. Perryman, Md. 53.
9. Spesutie, Md. 54.
10. Earleville, Md. 55.
11. Cecilton, Md. 56.
12. Baltimore East, Md. 57.
13. Middle River, Md. 58.
14. Gunpowder Neck, Md. 59.
15. Hanesville, Md. 60.
16. Betterton, Md. 61.
17. Galena, Md. 62.
18. Curtis Bay, Md. 63.
19. Sparrows Point, Md. 64.
20. Swan Point, Md. 65.
21. Rock Hall, Md. 66.
22. Chestertown, Md. 67.
23. Round Bay, Md. 68.
24. Gibson Island, Md. 69.
25. Love Point, Md. 70.
26. Langford Creek, Md. 71.
27. Centreville, Md. 72.
28. Washington West, Md.-D.C.-Va. 73.
29. Washington East, D.C.-Md. 74.
30. South River, Md. 75.
31. Annapolis, Md. 76.
32. Kent Island, Md. 77.
33. Queenstown, Md. 78.
34. Alexandria, Va.-D.C.-Md. 79.
35. Deale, Md. 80.
36. Claiborne, Md. 81.
37. St. Michaels, Md. 82.
38. Easton, Md. 83.
39. Fort Belvoir, Va.-Md. 84.
40. Mt. Vernon, Md.-Va. 85.
41. Lower Marlboro, Md. 86.
42. North Beach, Md. 87.
43. Tilghman, Md. 88.
44. Oxford, Md. 89.
45. Trappe, Md. 90.
Preston, Md.
Quantico, Va.-Md.
Indian Head, Va.-Md.
Benedict, Md.
Prince Frederick, Md.
Hudson, Md.
Church Creek, Md.
Cambridge, Md.
East New Market, Md.
Widewater, Va.-Md.
Nanjemoy, Md.
Mathias Point, Md.-Va.
Popes Creek, Md.
Mechanicsville, Md.
Broomes Island, Md.
Cove Point, Md.
Taylors Island, Md.
Golden Hill, Md.
Passapatanzy, Md.-Va.
King George, Va.-Md.
Dahlgren, Va.-Md.
Colonial Beach North, Md.-Va.
Rock Point, Md.
Leonardtown, Md.
Hollywood, Md.
Solomons Island, Md.
Barren Island, Md.
Honga, Md.
Wingate, Md.
Nanticoke, Md.
Colonial Beach South, Va.-Md.
Stratford Hall, Va.-Md.
St. Clements Island, Va.-Md.
Piney Point, Md.-Va.
St. Marys City, Md.
Point No Point, Md.
Richland Point, Md.
Bloodsworth Island, Md.
Deal Island, Md.
Monie, Md.
Champlain, Va.
Machodoc, Va.
Kinsale, Va.-Md.
St. George Island, Va.-Md.
Point Lookout, Md.
11
-------
TABLE 2!. (continued)
91. Kedges Straits, Md. 134.
92. Terrapin Sand Point, Md. 135.
93. Marion, Md. 136.
94. Mount Landing, Va. 137.
95. Tappahannock, Va. 138.
96. Lottsburg, Va. 139.
97. Heathsville, Va.-Md. 140.
98. Burgess, Va.-Md. 141.
99. Ewell, Md.-Va. 142.
100. Great Fox Island, Va.-Md. 143.
101. Crisfield, Md.-Va. 144.
102. Saxis, Va.-Md. 145.
103. Dunnsville, Va. 146.
104. Morattico, Va. 147.
105. Lively, Va. 148.
106. Reedville, Va. 149.
107. Tangier Island, Va. 150.
108. Chesconessex, Va. 151.
109. Parksley, Va. 152.
110. Urbanna, Va. 153.
111. Irvington, Va. 154.
112. Fleets Bay, Va. 155.
113. Nandua Creek 156.
114. Pungoteague, Va. 157.
115. West Point, Va. 158.
116. Saluda, Va. 159.
117. Wilton, Va. 160.
118. Deltaville, Va. 161.
119. Jamesville, Va. 162.
120. Toano, Va. 163.
121. Gressitt, Va. 164.
122. Ware Neck, Va. 165.
123. Mathews, Va. 166.
124. Franktown, Va. 167.
125. Westover, Va. 168.
126. Charles City, Va. 169.
127. Brandon, Va. 170.
128. Norge, Va. 171.
129. Williamsburg, Va. 172.
130. Clay Bank, Va. 173.
131. Achilles, Va. 174.
132. New Point Comfort, Va. 175.
133. Cape Charles, Va. 176.
Cheriton, Va.
Savedge, Va.
Claremont, Va.
Surry, Va.
Hog Island, Va.
Yorktown, Va.
Poquoson West, Va.
Poquoson East, Va.
Elliotts Creek, Va.
Townsend, Va.
Bacons Castle, Va.
Mulberry Island, Va.
Newport News North, Va.
Hampton, Va.
Benns Church, Va.
Newport News South, Va.
Norfolk North, Va.
Little Creek, Va.
Cape Henry, Va.
Chuckatuck, Va.
Bowers Hill, Va.
Norfolk South, Va.
Kempsville, Va.
Princess Anne, Va.
Wye Mills, Md.
Bristol, Md.
Fowling Creek, Md.
Port Tobacco, Md.
Charlotte Hall, Md.
Mardela Springs, Md.
Wetipquin, Md.
Selbyville, Md.
Assawoman Bay, Md.
Berlin, Md
Ocean City, Md.
Public Landing, Md.
Tingles Island, Md.
Girdle Tree, Md.-Va.
Boxiron, Md.-Va.
Whittington Point, Md.-Va.
Chincoteague West, Va.
Chincoteague East, Va.
Anacostia, D.C.-Md.
12
-------
In addition to delineating SAV bed boundaries, an estimate of percent
cover within each bed was made visually in comparison with an enlarged Crown
Density Scale similar to those developed for estimating of forest tree crown
cover from aerial photography (Fig. 4). Bed density was classified into one
of four categories based on a subjective comparison with the density scale.
These were: 1, very sparse (<10% coverage); 2, sparse (10 to 40%); 3,
moderate (40 to 70%); or 4, dense (70-100%). Either the entire bed or
subsections within the bed were assigned a number (1 to 4) corresponding to
the above density categories. Additionally, each distinct SAV unit (bed or
bed subsection) was assigned an identifying two letter designation unique to
its map. Subsections of beds were further identified as being part of a
contiguous bed by the addition of two letters unique to each contiguous bed.
These contiguous bed descriptions aid in the tracking of a single bed
between quad sheets as well as the analysis of those beds that had to be
separated due to variation in SAV density.
SAV Perimeter Digitization and Area Calculation
The perimeters of all SAV beds mapped from the aerial photography were
digitized in a clockwise direction using a Numonics Model 2400/2200
DigiTablet Graphics Analysis System having a resolution of .001 inches
(.00254 cm) and an accuracy of .005 inches (.0127 cm). Coordinates were
transmitted to a PRIME 9955 computer for area calculations and data
manipulation via software developed at VIMS. Each SAV bed was digitized at
least four times and the area reported as a mean of three.
13
-------
35
45
55
65
75
85
95
10-40
40-70
70-10O
PERCENT CROWN COVER
Figure 4. Crown density scale used for determining density of SAV beds:
(1) Very sparse, 0-10%; (2) Sparse, 10-40%;
(3) Moderate, 40-70%; (4) Dense, 70-100%.
14
-------
The perimeter of each SAV bed was defined by a polygon with a linear data
point density of 127 per chart inch (50 per cm, 5 meter ground resolution).
The total number of points defining any SAV bed is dependent on overall bed
size. The SAV bed perimeter was stored as X and Y coordinates in
centimeters from the quadrangle origin (lower left corner).
Any 'island' within a polygon (digitized SAV perimeter) was disregarded
as long as a line was drawn from the outside of the polygon to the 'island'
and the resulting polygon was digitized in a clockwise direction. The line
connecting the 'island' polygon to the larger surrounding polygon was drawn
in by the digitizer operator.
SAV bed area in square centimeters on the chart was calculated via the
following equation:
A = 1/2
Y2 - xz* Y!) + (X2* Y3 - x3* Y2) + ... + (xn* YJ - x^ vn)
where X and Y are the nth digitized perimeter points in centimeters. The
area is then converted from square centimeters on the chart to square meters
on the ground. This is done via the following conversion based on a chart
scale of 1:24000:
2 2 22
A (m on ground) = Ac(cm on chart) * 57600 (m on ground / cm on chart)
where A is the area on the ground of each SAV bed and AC is the area on the
chart. The area on the ground is then stored for later use.
15
-------
Tests of Precision and Accuracy
Prior to each digitization session, the Numonics instrument was checked
manually against a digitizing standard. After a map had been secured to the
digitizing tablet, the standard was secured to the map and digitized four
times. The information from digitizing the standard was transmitted to the
beginning of the SAV bed Perimeter File on the PRIME computer. This same
procedure was followed at the end of each digitizing session. When this
file was processed by the computer, the digitized area of each standard was
compared to the known area of the standard. If a variation between the
known and the mean of the observed areas exceeded 1.0% a warning was printed
advising the operator to check the digitizing system. In addition, checks
were made with respect to the absolute location of the digitizing standard
as secured to the map. A comparison was made between the location of the
standard before and after the digitizing session. If the absolute location
differed by more then 0.10 cm another warning to check the system was
printed. Any movement in absolute location can be indicative of digitizer
instrument drift or chart movement during the digitization session. These
checks assure that the final calculated bed locations are as accurate as
possible.
Maximum accuracy was maintained by exclusively using mylar topographic
quadrangles rather than paper ones which can change scale as a function of
changes in air temperature and humidity in the digitizer room .
16
-------
Calculation of SAV Bed Mean Area and Choice of Representative SAV Bed
Every SAV bed mean area was the result of at least four independent
digitizations of the outline of each SAV bed. The computer made an area
calculation of each replication and the 3 bed outlines or perimeters most
similar in terms of area were then used for the calculation of a mean area.
The perimeter defining the area most similar to the mean area was then
saved by the computer program as the representative perimeter for this
specific SAV bed. Representative perimeters for all 1987 SAV beds were
later converted to Latitude and Longitude and a copy of each on computer
tape was then sent to the EPA Chesapeake Bay Program. The areas used in the
mean area calculation do not by contract requirements have a range in excess
of 5% of the mean area. All bed areas having an error rate in excess of 5%
are flagged by the VIMS quality assurance quality control computer program
for additional error assesment. In fact, the VIMS error rate is normally
less than 1%.
A complete outline of the digitization procedure can be found in the
quality assurance project plan for the 1987 submerged aquatic vegetation,
distribution and abundance survey of the Chesapeake and Chincoteague Bays
(available from the EPA Chesapeake Bay Program Office).
Standard Operating Procedures for Quality Assurance/Quality Control
Standard operating procedures (SOPs) were developed to facilitate
orderly and efficient processing of the 1987 SAV maps and the SAV bed
perimeter computer files produced from them, and to comply with the need for
consistency, quality assurance and quality control. SOPs developed include:
17
-------
a detailed procedure outlining 46 steps for digitization of SAV maps; a 47
step checklist for editing SAV perimeter computer files to insure
completeness and accuracy; a digitizer log in which all operations were
recorded and dated, and which was used to guide and record editing
operations; and a flow chart used to track progress of all operations
including all changes in file names. Examples of these SOPs are in the
quality assurance project plan for the 1987 submerged aquatic vegetation,
distribution and abundance survey of the Chesapeake and Chincoteague Bays.
Conversion of SAV Perimeter Points from X,Y Centimeters to Latitude and
Longitude
Before SAV perimeter information was to be exported to the EPA Bay
Program, the perimeter points had to be converted from X,Y centimeters to
the more generally applicable latitude and longitude. This is done via a
three step two dimensional linear interpolation between the four corner
points of every quadrangle. At the start of digitization of every chart,
the location of each corner point in X,Y cm and in latitude and longitude is
recorded at the head of the data file. The corners are numbered:
1 = lower left corner or chart origin
2 = upper left corner
3 = upper right corner
4 = lower right corner
These corner points are then used to convert each individual X,Y
perimeter point to latitude and longitude. If additional files are needed
18
-------
for a given chart, a new set of corner points are digitized and stored at
the head of these files.
The steps for the conversion of from X,Y cm to lat. and long, are:
1. Transpose each X,Y perimeter point from the original, non
orthogonal (not at right angles) chart axes defined by the
original four corner points to a new set of orthogonal chart axes
and defined by a new set of four corner points.
2. Calculate centimeter to lat. and long, linear conversion factors
from the transposed chart corner points via:
XCONV = 0.125 / (XCORNERPOINT(4) - XCORNERPOINT(l))
YCONV = 0.125 / (YCORNERPOINT(2) - YCORNERPOINT(l))
Where : XCONV is the X cm to lat,Ion conversion factor.
YCONV is the Y cm to lat,Ion conversion factor.
0.125 is a constant representing the distance in decimal
degrees latitude or longitude between each successive
chart corner point.
XCORNERPOINT(#) is the X value in centimeters of the
numbered chart corner point.
YCORNERPOINT(#) is the Y value in centimeters of the
numbered chart corner point.
3. Perform linear conversions from orthogonal X,Y cm perimeter point
to latitude and longitude via the following equations:
19
-------
YLAT = YCHART(l) + (YFORTH * YCONV)
XLON = XCHART(l) - (XPORTH * XCONV)
WHERE : YLAT is the new Y point in decimal degrees latitude.
XLON is the new X point in decimal degrees longitude.
YCHART(#) is the latitude of the chart corner point.
XCHART(#) is the longitude of the chart corner point.
YPORTH is the Y perimeter point in cm from the orthogonal
chart coordinate system.
XPORTH is the X perimeter point in cm from the orthogonal
chart coordinate system.
These new Lat,Lon perimeter points are then stored in a special EPA
submission file for VIMS SAV Data. The submission file structure is fully
documented in the VIMS 1987 QA project plan.
Organizational Provinces for Analysis and Discussion
Discussion of the distribution of SAV in the Chesapeake Bay and
tributaries has been organized into three zones as established by Orth and
Moore (1982). The area between the mouth of the bay to a line stretching
from the mouth of the Potomac River at Smith Point in Virginia to
approximately 3 nautical miles south of Tangier Island then extending to the
eastern side of the bay to an area just south of the mouth of the Little
Annemessex River is referred to as the Lower Bay zone (Fig. 5).
(It is important to note here that the designation for the Lower Bay and
Middle Bay zone has been altered to facilitate a more accurate way of
20
-------
reporting SAV distribution in the mid-section of the bay, in particular in
and around the major island complex from Tangier to Bloodsworth Island.)
The area between the south shore of the Little Annemessex River and the
south shore of the Potomac River to the Chesapeake Bay bridge at Kent Island
is referred to as the Middle Bay zone. The area between the Chesapeake Bay
bridge and the Susquehanna Flats is referred to as the Upper Bay zone. The
salinity within each zone roughly coincides with the major salinity zones of
estuaries: polyhaline (18-25°/oo), Lower zone; mesohaline (5-18°/°o),
Middle zone; oligohaline (0.5-5°/oo), Upper zone. Although the major rivers
and smaller tributaries of the bay have their own salinity regimes, the
distribution of SAV in each river is discussed within the zone where it
connects to the bay proper.
In addition, 21 major sections of the bay are identified for more
detailed discussion of SAV distribution (Fig. 5, Table 3). These sections,
which were first delineated for the 1984 survey (Orth, et. al, 1985) and
have been slightly modified for the 1987 survey, denote relatively distinct
parts of the bay and its tributaries that are readily identifiable from a
map. Sections 1 through 4 are located in the Upper Bay zone. Sections 5
through 13 are located in the Middle Bay zone, and sections 14 through 21
are located in the Lower Bay zone. Appendix B gives the lat. and long, of
the boundary points of each Chesapeake Bay section. SAV distribution in
Chincoteague Bay is presented and discussed as a separate section.
21
-------
3940.0
3910.0
3840.0 -
3810.0 -
3740.0 -
3710.0 -
3640.0
a
to
o
o
o
ro
(O
r-
o
o
ID
O
PI
in
Figure 5. Location of upper, middle and lower zones of the Chesapeake
Bay and the 21 major sections used for delineation of SAV
distribution patterns. (See Table 3 and text for exact
boundary positions)
22
-------
TABLE 3. AREA DESCRIPTION FOR EACH OF 21 MAJOR SECTIONS OF THE CHESAPEAKE
BAY SAV STUDY AREA.**
Section 1. Susquehanna Flats - all areas between and including Spesutie
Island and Turkey Point at the mouth of the Elk River to include
the Northeast River.
Section 2. Upper Eastern Shore - all areas in the Elk, Bohemia and
Sassafras Rivers, and SAV in areas on the eastern shore above
the Swan Point quadrangle.
Section 3. Upper Western Shore - all areas south of Spesutie Island and
north of the bay bridge to include the Bush, Gunpowder, Middle,
Patapsco and Magothy Rivers.
Section 4. Chester River - includes all of the Chester River, Eastern Neck,
areas north of the bay bridge on Kent Island and south of Swan
Point, and to include SAV on the Swan Point quadrangle.
Section 5. Central Western Shore - all areas south of the bay bridge and
north of Holland Point on Herring Bay to include the Severn,
South and West Rivers and Herring Bay.
Section 6. Eastern Bay - all areas south of the bay bridge on Kent Island
and north of Tilghman Island from Green Marsh Point to include
the Wye, East and Miles Rivers, Crab Alley Bay, Prospect Bay and
Poplar, Jefferson and Coaches Islands.
Section 7. Choptank River - all areas south of Tilghman Island from Green
Marsh Point and north of Taylor Island to include the Choptank
and Little Choptank Rivers.
Section 8. Patuxent River - all areas in the Patuxent River.
Section 9. Middle Western Shore - all areas south of Holland Point at
Herring Bay and north of Point Lookout on the Potomac River but
not the mouth of the Patuxent River.
Section 10. Lower Potomac River - all areas between the mouth of the Potomac
River to a line extending from Maryland Point on the north
shore, just above Nanjemoy Creek, to Somersett Beach on the
south shore.
Section 11. Upper Potomac River - all areas from upriver limit of the Lower
Potomac River Section to Chain Bridge at Washington D.C.
continued
23
-------
TABLE 3.** (continued)
Section 12. Middle Eastern Shore - all areas south of Taylor Island and
north of a line bisecting Cedar Island to include the Big and
Little Annemessex Rivers, Fishing Bay, and the Honga, Nanticoke,
Wicomico and Manokin Rivers.
Section 13. Mid-bay Island Complex - all areas in and adjacent to
Bloodsworth, South Marsh, Smith and Tangier Islands.
Section 14. Lower Eastern Shore - all areas south of a line bisecting Cedar
Island and located just above the Maryland-Virginia line to
Fisherman's Island.
Section 15. Reedville - includes the area between Windmill Point on the
Rappahannock River, and Smith Point at the mouth of the
Potomac River.
Section 16.
Section 17.
Rappahannock River Complex - includes the entire Rappahannock
River, Piankatank River and Mil ford Haven area.
New Point Comfort Region - includes the area fronting the bay
from the lighthouse at New Point Comfort north to, but not
including, the bay entrance to Mil ford Haven.
Section 18. Mobjack Bay Complex - includes the East, North, Ware and Severn
Rivers, the north shore of the Mobjack Bay from New Pt. Comfort
lighthouse to the North River, and north of a line bisecting the
large shoal area around the Guinea Marsh area.
Section 19. York River - all areas along the north shore from Clay Bank to
the Guinea Marsh area and south of a line bisecting the large
shoal area around the Guinea Marsh area, and along the south
shore to include the north shore of Goodwin Island.
Section 20. Lower Western Shore - includes all areas south of Goodwin Island
to Broad Bay off Lynnhaven Inlet, excluding the James River.
Section 21. James River - all SAV in the James River including the
Chickahominy River.
**- Sections 12, 13, 14, 18, 19, and 20 were given new boundaries for the
1987 report which also changes the delineation of the three major zones.
(See report for these changes and see Figure 5 and Appendix B for
boundary locations).
24
-------
Ground Truth and Other Data Bases
Ground truthing was accomplished by cooperative efforts of a number of
agencies and individuals. Although incomplete for most areas, ground
truthing confirmed the existence of some SAV beds mapped from 1987 aerial
photography, located a few SAV beds not visible from the photography, and
provided species data for most of these beds.
For those areas in Virginia waters where aerial photographic evidence
of SAV beds was inconclusive, photo-verification was accomplished by ground
truthing. Observations were principally made from small boats and by divers
snorkel ing over areas indicated from the photographs. In several river
systems included in this survey (York, Piankatank and Rappahannock) where
VIMS researchers transplanted SAV (principally eelgrass), transplant sites
also were examined carefully by divers for any extant SAV. U.S. F&WS
Citizen survey data were also added to the Virginia maps in Appendix C. In
addition, a great deal of ground truth information could be extrapolated
from earlier studies (Orth et al., 1979; Orth and Moore, 1982) since SAV
beds in this region contain primarily one or two species and have not
undergone drastic fluctuations since the first bay-wide survey in 1978.
In Maryland, ground truth data were obtained in 1987 by the USGS
Potomac River study, two SAV research and transplanting projects, and the
Citizen and Charterboat Captain volunteer surveys. The field study in the
Potomac River by the USGS (Rybicki et al., 1988) from the Chain Bridge near
Pimmit Run at Washington, D.C. to the 301 bridge near Morgantown, Md. (Figs.
6, 7) used shoreline surveys and sampled transects to document the
distribution of SAV in the tidal Potomac River and transition zone.
25
-------
The USGS conducted shoreline surveys in the tidal freshwater portion of
the river and tributaries (Fig, 6) in late June and early October of 1987 by
boat, using rakes to collect samples to determine presence or absence of
SAV. Plants were identified by species and the proportion of each was
estimated for vegetated areas. Each vegetated area with species proportions
was referenced on USGS 7.5 minute topo maps. The transition zone (Fig. 7)
was surveyed in late July by raking for SAV at previously established
vegetation transects and by spot-checking between transects and in small
tributaries. Transects were perpendicular to shoreline and terminated just
beyond vegetation or at 60 meters when no SAV was present. All species were
identified and tabulated by transect. Codes for the transects in Figs. 6
and 7 contain the location and the river or tributary mile. For example, in
MN-01T-2, MN is Mattawoman Creek (Fig. 6), 01T is one nautical mile up the
tributary from the mouth, -2 is the second transect; in PY-06R, PY is
Piscataway Creek (Fig. 7), 06R is the sixth transect on the edge of the main
river. Data from these surveys were transferred to the SAV distribution
maps in Appendix C.
One SAV transplanting project being conducted on the Susquehanna Flats
by Stan Kollar of Harford Community College (HCC) provided data in the form
of species presence by percentage, primarily by visual estimates. Species
locations from these data were added to the SAV maps in Appendix C.
A SAV research group at University of Maryland Horn Point Environmental
Laboratory (HPL) headed by Court Stevenson also provided ground truth data.
Maps of their study sites on the Choptank River were annotated on the maps
for this report (Appendix C) indicating the species reported for 1987.
26
-------
38°45' —
Figure 6. Location of vegetation sampling transects in the tidal
Potomac River above Mattawoman Creek.
27
-------
38-30'
10 MILES
10 KILOMETERS
Figure 7 Location of USGS vegetation sampling transects
from Mattawoman Creek to Port Tobacco River.
28
-------
In addition to the scientific surveys, private citizens participated in
identifying SAV beds by checking areas in the bay for SAV. Two groups were
responsible for looking for SAV under the sponsorship of separate
organizations. The Maryland Charterboat Association participated in the
baywide effort, funded by the Maryland Department of Natural Resources (DNR)
Watermen's Assistance Program. Boat captains were provided with reduced SAV
quadrangle maps to aid in location of SAV beds and with data sheets on which
to record information on each SAV bed identified. Sampling of SAV sites was
undertaken at low tide. Samples were taken by hand, net or rake. Plants
were identified as to species onsite or placed in zip-lock plastic bags and
sent to the DNR for identification. (See maps, Appendix C, for these data.)
Private citizens volunteered to assist in the SAV ground survey under
guidance of the United States Fish and Wildlife Service (F&WS) and the
Chesapeake Bay Foundation (CBF). This program entailed identifying and
recording the location of SAV in the bay. Volunteers were recruited through
press releases, newsletters and personal letters. Volunteers, provided with
an identification guide of SAV, reduced 1986 SAV maps, and data sheets,
visited numerous sites around the bay. Each volunteer was asked to identify
the location where SAV was sighted, as well as water conditions, how many
and which kind of species, grass bed size, percentage area covered, and
location description. All information from the Charterboat Captain's survey
and Citizen's survey was submitted to Linda Hurley (F&WS) and Margaret
Podlich (CBF) for processing. Species locations were mapped in Appendix C.
Ground survey information was included on the SAV distribution and
abundance maps in Appendix C to show positions of the survey stations in
relation to the beds of SAV mapped from the aerial photographs. Each survey
was designated by a unique symbol to identify the different methods. In
29
-------
most cases, the symbols on the SAV maps (Appendix C) have been enlarged and
offset from the actual sampling point to avoid confusion with the mapped SAV
bed. Where species information was available, it was included on the map
unless it was redundant.
Data Presentation
SAV distribution data are presented by topographic quadrangle (Table
4), by section and zone (Table 5), and by quadrangles within a section
(Table 6). Topographic quadrangle maps annotated with all SAV beds are
presented in Appendix C, while individual bed areas for each quadrangle are
given in Appendix D.
30
-------
CO
01
I— r-tCOCTl IT> IO OO CM T-I
CO I •••OO««««OO O=W=*'OO«O«
GO ^^ *«f r*"*» *£* t^ ^ ^^i ^y) »j" ^vj c^ *M o^ p""**' *""^ LO c^ o*^
^^ Lf) p**, ^\J O^ ^J* T—H Q^
co co
CO CO «*
o • • • o o
O CO
CO O> «-l CO U3
o o o
CO
t^-COt— Ir-H
i r^ o cvi
o • • • o o o o •
--! CO
OL
o
I—I
3:
Q-
CD
o
a.
o
ca
oo
UJ
CO
cr.
I CO l« O
o
oo
co
10
COVD OI~^OO^d-«d-«^-LOOOCvJCO^-l«a-CO • t-^
• • IT).
^D ^~ i i t~~* c> CT1 vo »^~* co c^ o*> r^ oo r*^ o^ *—' u^ oo '
CT>O CO-—!CVJCM«—ICOOOrHCVJCO
CVI t—I r-H •—< ^-1
un r^-
,—! CM
o
ro
OO
u_
o
UJ
C£.
•f.
Ul
CD
a:
|
o-
(T3
D-
I
(C
(O
•O ID
s • s:
+r2
I
I O
: o
.^ s: 10 10
CD -3 UJ
c s_ oi a> i— o ca j/i •!-
•P>-I->EJ-(T5
q >, to c
•P fC t—i -i-
o o >
^-> •(-> -^
^ ~~ ~ ^ — .- 10 o a. x:
-
co-ocucc
O M- t- -i-
O
D.
JZ-OOJCa.ca'-I3(OCU
-------
O ^ LQ oto LOCTI LO i—i r— cr> r~- «^-vo r^~ LO co
I— LOI— CTl CO ^O CO|— «j- LO CMLOCM I— ^- r-I •* rH
CO • ••=tt='«O«'O:«:#=O«'>O««=*=:*:< ••=(*=
CM LO o LO r-4 cri LO LOLO LO r-~ r-i i~-ey> co
cotf>cO">oo
«\j
o o
oo
"si-
COr-lCO Cf>CM LO^O
CMLOCM LOLO fO|^.|-^
o o • • • o • • o o • • • o
CO
O
COLO
OOO«-<
i-l CVJ
LO
CO
VO OCOCTi
oocni — sf-Lo
ICOCO
CO^tO^O
coi~--t— ••— '
LO
COOJ
LO
co
CMCO
r^.,-1 LOCO tOt-icOLO ,-<
LDCM I^VO I---CMLDVO f-~
• • O O • • O • • • * O O •
IO f^ C7^ CM f^^ CO ^^ 00 ^i"
CM CM CO O CM CM
CM CO r-l CM
•O
CU
3
C
O
O
oo
00 CM
• •
CM
CMO
COCVJ
UJ
00 O
00 IO *—I
r~ • •
er\ co CM i
r-ICOCTiCT)
LOoOr-l
i vo «-i i i
LO vo LO
r—I CT"> ^**
• • •
I OO CM «d-
^ LO
CO
LO
o cr> CD
• • •
i r-- co oo
co CM
COCM
Or-i
i co ^
COCTi
> S
T3 1
>• • "
-oo
«2Ii-
r— o s-
-4->TJ
i— i t/» C
c nj
4-> a) x
CO)O
O)3
S••-
• • • t-
• OS- S! Si ". $-JTJ:S-O-+J^->«O-OO
i— -r- •(->•«-> a)-r->o>oo.toc-r-a)c
fl3
>-
-^ S: S- 5» T3 "
a> «s s '
0'"-^" 4->
S-CU i- •> D-
oer>Xa)>,
OOS- S 83 1-
fS-£)4->>
GJ «/>
s-o
O-f-
C
w» «
cu^
C
«
i—
C
«/>•»->
CUCL
-------
•o
CO
3
C
•r—
+J
c
o
o
•
"St"
UJ
1
CQ
rH
« O •
o «*J
^ -•£
1 £-
• |
"O *
"O 21 > "
.— NO)
I_ C CJ>
!Z 0
"*•• /•* fl t
(O vl/
c £•">
CD "*
-O 10 CT>
r- «" C
O ^ Bf~
C3 0- •*£
CO •* "^
to to to
en en
CM r^
• • f\
* • ^-J
«* t--
«-i i— i
,-H CM
«fr •*
• • O
CM CO
,-<
t-~ to r^
en to CM
I-H in o
t— i
r-- co
to to
• •
CM in o
CM
CM «d- in
co «3- co
co r- CM
CO CM
fl3
?»
-o
S
w
^:
+J
c
>—
• o
•o z
s
1 ^1
• o •
(O fl3 "O
> O 10
T^ C^ ^~
%J i£ V_
S- S 0
«0 >> B
C r- O
O r— i—
O) O O
_IICO
en o ^i
to r^ r---
,-t ^j- r~.
co o en
en CM T-«
to co r--
CM to i-l
r~ co co
•-I to
1 IO CM
CM
,— <
.,-5
^r
•«
-o
c
03 -O
t/i -O
HH s: -
fll
vU
C «4->
CD n3 03
5- CD CT
S- C C
(T3 O T-
CD n: 3
CM CO «*
i~~ r— r~-
o o o
o o o
o o o
to to
CM t— (
• •
O <-< CM
r- 1
in co
en in
i ,-1 in
to
"O
•
re
> •
TD
"2
s: i
•4-> •
3fr<
TO
o •>•
CO
•>
• .C i —
•o o i —
S 03 03
cu ac
« CD
O) -O
j<; i— s-
Ort5 r*\
*\j ^j
0 "I- <*-
••- C -P
•p o re
c i— s-
re o •»->
z o oo
in to t-^.
r~- r- i^
o
o
o
o
co
T-«
o
s
•
re
•>•
f,
-o
03
r—
to
1 — 1
4->
C
<1>
o
+j
(S)
CO
r^
CO
•*
O* r~^
" t-^
o
T-l
^H tO
in to
• • t^^\
• • o
r-l ID
i-H
^-1 r-l O
in co in
o en to
r-H r-H
1 1 1
1 1 1
•
03 ••
~-^ ™r^ T^
"TSI
•
"Q " "
S >>•»->
H-> C
"•r- -i—
-!-> 0 O
C O-
••- W
0 >> O
O &- T^
°- rez
>>2I •»->
CD C
C • «i-
••-•MO
D- 00 O-
cn o r-i
l~- CO CO
to
^1-
CM
«3-
to
t^
CO
CO
CM
*i-
CM
CO
CO
o
CO
t~~
o
.
•^
^"
fl
•
4->
Q-
•o
c
re
^r
u
Oi
CM
CO
to «*
r^ CM
in o
in to
in
CO CO
CM «sf
in o
co to
CO
co m
in to
in to
CO «-<
CM
en
CM
• O
CO
t— t
l~- .-!
0 0
to co
to
•
-o
S
«l
"O
C
«3 •
r~- ^?
to S!
i— i
n
^: -O
•P c
s- re
i w
in >-i
•o
o re
r- OJ
CD O
CO «d"
CO CO
o co r^- to «d-
to r~ co CM 1-1
• 1 C3 C5 • CD t • •
^- in co co o
CM CTi CTl to
to i—i
en ,-H co en in co
to en in en co »— i
co to o r~- en co
i-i co o ^J-
to CM CM
co CM to r-i oo en
cr> co r~- en ^- CM
I-H co tn «* o o
r^ co o
*d- ^-i CM
CM O
<* O
O 1 1 1 1 1 • • O
to i~~
to co
CO i— 1
in en co co
T— i o ** co
en i i i i i to ** en
m r-t CO
^H CO CM
•
^~ a
1 "O
• ^"
re
>•
• -M
-0 T3 2! T-
• c s: o
"o re "D_
• a? i — "to
re • 1 «/) 4J -4-> T3
> re • i— i 3 -i— c
> re o re re •
" >. cu -^ i- oo -o
•o c " en o -P SE:
s ••- o " i- o co c
n3 Q Q> o . i «r— "
"i — -C i — CO to O. C
cucxorecn-Pcureo
••- e ^; to c CD s- •!-
creuc • -i— -o i- i_
ojcre-r-^ococure
SoS^ooo-^i— s:
mtor--cocno^icMco
cocococococncnoicn
33
-------
CO
co in CM
cr> o> CM
i o o • • • o
CM en co
.-I 00 CM
O O —I
o o
eyitnoovost-r-oco
cri.-ir~co.-icovor-.r~
r~ cr>.—i LO vo i— loooio
oo cr» .—< ro co CT» co r~ cr>
•*
I I
CM CO O
co o r~
I • •
CO CM
CO
vo
CO
I I O O O
till
CMOO
IC\J
evjiDoo
coco^-t
o co r- co
I ••••III
CM «-i co r~ o
CO
o>
I I
VOCMCVJ
esir-r--
rHO
CM •-«
oo
I I O O
VOOOCVl
oooo^-i
csjt«cri
^HCOVO
I I O
or-.
CM
OO
t-Hr~~
00
• CO O
oo * *
i o r^ co
CO O ^
CM OO .-I
LO^J-VOCO co^t^-ir-
i i i ico*J'CO«*icrimtr>vo
r-l VO CO CM r-4 CO r-
CM VO
10 co
• •
i o vo r~
to
co
*-* CO CM
• • •
CO O ID
O CO CD
CM CO
UJ
CO
«c
CO
r--
CTl
co • •
co o r~
i i i
coooooo
coooo
locnvoi
ocoen
ioco«d-
mioo
CMLO
•o
CT3
5-
(O
10
(O
GLE
DR
QU
(O
•i— O
-o o
flj I — njX'OiOi — o > a> i— i
(OCS-'i- « >• O r— >• i— —
_J«O3>10 Ll-tt) r--
^ JD (/) to •> T- " > ••-> >>•!— CJO
-
0>>,''OCQO
O> O •> « .i- -r-
CO>«/)itS-4->a.lOC>>
-
rO
O «S
0) S/5 O
Z * -P
OOCTiO<— i
34
-------
CO
en
*
I O O
.—i en CM o
^t co «a- LO
t • • • •
LD CO ID CO
LD «<^ ^o t"^
r^ o CM
co co CM co r~-
ii i
o o CM er> .-i
CM r~
Q
">
o • i o o o •
CO O
CO «=T
CM
I I
ID
CTi
+ 10
+ ID
I 4- • I
CO W3 O »— 1 CO
I I I I
i — t— i co
csj r~-
CM
CO
II 'III
CO
•K
*
CO <~O Lf> CO CO r-iOCOi-HCM O ID
II -II ••••Illl Ill • I O I O • I I I
P-- «-l CO
CM
oo
CM
-a
a>
o
o
co
cr,
co
I I VD
« CM
l CO
ioior-*J-«d-i
^-ICO^H
CM ID
ico
CO
CM
CO
•
o r~ i
co
LU
CO
co
i^.
CTl
CO
I I I ID
CM CO CM O
• ID • •
CTi O CM CO
r^ 1-1 ro
CM ** CO CO O
I i-< O <^> •* CM I
CM LO
CM CO
• •
t CO I •-'
CM
1 1 1
CO
CO
re
S-«3
UJ
_)
CD ca
Qi "O CO.O.V "+->i_
/^^ s_ *• ^^ (/) c t/i c re
^^ QJ <^ C— E re cij *i^ c**
<£ >1— >,•!- CD
a>
o «r- i —
co
>•
03 •*
ca 0) CO r— i —
CT3
3
O
S- -^33T-COJ3P-Q-C Q.«4- -P a.33s-
300001 — ocea>(uo->-cc.c:oo
35
-------
en CM
co en
co
en
1 1 1=8=
o o o o o • • o • o
CM ^O O O
o vo CM «*•
co
en
<£>
co
en
IOO • O O O 1 1
r->. in ^- t~- to co
^- en en m 10 co
I I • I • • O • I IrH i-l
c\j i— en co I * *
m co co o kn CM
co vo ^-i •* Ui
o oo
m ^-i o
CO II • • O O O O O I I I
en .-i CM
i i i i i i o i
•o
cu
c
•^
•p
c
o
o
00
i i i i i
i i i i i i i i
en
en
.co
ui
CO
CO
en
i i i
i i i i
CM
CM
\D
I I I I -
to
>>CQ
CO O)
eo o>
o .^:
D- O
U)
CJ
CSL
O
cr
«c
« T3 «T>T3
^"y 2> •• ^~
^3 *f™ (O
•r- «/)
> eo
w u
ex c
•> JO -P -i- i— <->
•P -r- r- "• ~ -
CO
* CD O) 0) -r- «C «C
C C +J -P 4J 00 00
\_X M/ VL* V_^ > V^ **-* »*J
"-rr'-s-^ooo_jj
US-P-r- r-!UQ.>,ST-CT-^-r— S-+JOOO_J
C W>r^-PJ--OT-JDfl3i— •- X "f— *r- 'f—
-------
oo
o
0)
re
o
•p
c
CD
cr
a>
to
(SI
•o
OJ
4J
o
CO
o
o
as
re
-o
c
o
re
co
01
•o
ai
3
C
C
O
o
UJ
CO
•f
•o
•a eu c
OJ ^J -r-
i c >•
to • oo
re «£
OO T3
^3 ft3
C O ^
re c:
>s
-O T3
O)
.c re ^
D- -r-
re T3 r—
S- CU
cn^: -P
o Q- is)
•P re o
O S- E
jc en
a, o -P
•P 3
•p o ^
o .c
c o-co
i~-
O)
OJ T3 . -
a. a> co
o.
in E s- -P
r-H CD 3 O
o .0 o
co -P o
•P -s= co CM
a.cn ••
•P r-l r-l
re is)
.c re c -P
.a
>r_
s-
fd
C • OJ (
CO -t-
OJ 'oj
re o
OJ
c
JC
O >v
O)
o
jr
to
OJ
a)
o
-p
tsi oj
^3
O
C J3
« O
: p~ T3
en re
i—i
2 S
o
S-
3
CO
oj
0 r-
c re .a
-oET
(o
o
>>«=
.0 aj
r- OJ
s_
CL
> T3
O 0)
S- 4->
a. re
o
O T3
>»
oj
C 3
H-l CO
• c
>>••-
O.'aj
re s-
o
o oo
o t-
.c
t— a;
•i- O
•P
CO D-
O")
^-H *^
CO
JC
-o P
OJ
u o
CD U—
4->
CD CO
oo
a. o
s- c aj
en CD
c c c
S- S- "~
T3 -O C
re ro 2
3 3 O
cr cr,—
tt-
(Sl (SI
OJ OJ -P
•P -P O
re re c •
o o >
f QJ
CT 5
O
O C
oo
•i- O S_ 00 -P
.c >> re s-
CLT- OJ M— QJ
OO •-—
r- c
CO T-
• CTi
-O »-i "
4-> •> i-
O • O
eu i— s:
r— re oo
o • c
o P s-
O) 0)
I % 1 %
O "
C JT O)
f ^
re $-
+J o s-
re -^ a>
•o a.
•P o.
a> J- ZD
en o
ro Q. "
Q) a> co
S- S-
o c
re >• o
• oo -P
<: o
OO «3 ->co
« ri>
CO
(SI 4J
(SI
3
i— -P a;
^^ CL
^3 ^O ^^
i— «= ;D
••- 3
re o "
> S- CM
re en
c: c
3 >> O
co r~.
co
cr>
• T-I
•o
•p •
O i—
a) re
o 4->
o a>
•o
-o
c
o
.p
re
cf
re o
i %.. ,
re
-o -P
•
re <:
oo
> C
oy -r-
co 3 s-
r-l >
x: -r-
c -P a:
•r- 3
i- 10
r- E
re
>>
Q-
j-
cn
O
ro
• >
o re
c
X 3
O "
en CM
<£.
•— co
re
•r- <4-
s- o
CD
re
CT) (S)
r-l 0)
<4- O)
4^
-o re
OJ (_)
•P ••-
SI
cu
•o oo
>5 C
jQ O
O U_
C 00
(S)
•a CD
QJ -C
tt) O J3 -P
i-T-cri a)
CM- !-••-<
re T- co
s- M-
o^o
•P CD
o > c
.c o
O- CD T-
O (SI
•— C (SI
' T— (SI (_)
<1» i- T-
«C O.-O
Q, ^3
OL S-
«C CT
O
C P
•T- O
(si ca-
d-
re r-
s- (*-
OJ O
>
o
OJ •!-
O (SI
C (SI
>
(4— OJ
O r-
s_
OJ 3
o :r
(SI O (SI
c
-------
TABLE 5. NUMBERS OF HECTARES OF BOTTOM COVERED WITH SUBMERGED AQUATIC
VEGETATION IN 1987 FOR SECTIONS WITHIN THE THREE ZONES OF THE
CHESAPEAKE BAY AND IN CHINCOTEAGUE BAY. (Section boundaries
redefined for 1987. See Figure 5, Table 3 and Appendix B for
boundary locations.)
Zone
Section AREA
(HECTARES)
1.
Upper 2.
O •
4.
5.
6.
7.
Middle 8.
9.
10.
11.
12.
13.
14.
15.
Lower 16.
17.
18.
19.
20.
21.
Susquehanna Flats
Upper Eastern Shore
Upper Western Shore
Chester River
Zone Total
Central Western Shore
Eastern Bay
Choptank River
Patuxent River
Middle Western Shore
Lower Potomac River
Upper Potomac River
Middle Eastern Shore
Mid-Bay Island Complex
Zone Total
Lower Eastern Shore
Reedville
Rappahannock River Complex
New Point Comfort Region
Mobjack Bay Complex
York River
Lower Western Shore
James River
Zone Total
2,219
103
117
515
2,954
0
900
356
41
0
458
1,655
1,527
4,265
9,202
4,036
324
208
238
1,227
608
1,322
0
7,963
TOTAL SAV FOR CHESAPEAKE BAY 20,119
TOTAL SAV FOR CHINCOTEAGUE BAY 2,301
38
-------
TABLE 6. NUMBER OF SQUARE METERS OF SAV IN 1987 FOR EACH QUADRANGLE
CONTAINED WITHIN THE 21 SECTIONS OF THE CHESAPEAKE BAY AND FOR
CHINCOTEAGUE BAY. MAP CODE NUMBERS FROM TABLE 2 IN PARENTHESES.
SECTION
Susquehanna Flats - 1
QUADRANGLE
Upper Eastern Shore - 2
Upper Western Shore - 3
Conowingo Dam
Aberdeen (2)
Havre de Grace
North East (4)
Elkton (5)
Ferryman (8
Spesutie (9
Earlevilie (10)
(1)
(3)
North East (4)
Elkton (5)
Ferryman (8)
Spesutie (9)
Earleville (10)
Cecil ton (11)
Gunpowder Neck (14)
Hanesville (15)
Betterton (16)
Galena (17)
Swan Point (20)
Rock Hall (21)
AREA
0
41,803
18,578,920
3,414
0
0
3,566,251
22,187,300 sq.m
2,218.73 hectares
5,482.48 acres
56,482
0
0
225,071
46,884
0
0
423,504
198,125
75,689
0
0
White Marsh (6)
Edgewood (7)
Ferryman (8)
Spesutie (9)
Baltimore East (12)
Middle River (13)
Gunpowder Neck (14)
Hanesville (15)
Curtis Bay (18)
Sparrows Point (19)
Swan Point (20)
Round Bay (23)
Gibson Island (24)
1,025,740 sq.m
102.57 hectares
253.47 acres
0
5,175
29,281
4,792
0
220,435
905,434
0
0
0
0
0
2,581
continued
39
-------
TABLE 6. (continued)
Upper Western Shore - 3 (continued)
Love Point (25)
Chester River - 4
Central Western Shore - 5
Eastern Bay - 6
Betterton (16)
Galena (17)
Swan Point (20)
Rock Hall (21)
Chestertown (22)
Love Point (25)
Langford Creek (26)
Centreville (27)
Kent Island (32)
Queenstown (33)
Curtis Bay (18)
Round Bay (23)
Gibson Island (24)
South River (30)
Annapolis (31)
Deale (35)
North Beach (42)
Annapolis (31)
Kent Island (32)
Queenstown (33)
Claiborne (36)
St. Michaels (37)
Easton (38)
Tilghman (43)
Oxford (44)
1,167,700 sq.m
116.77 hectares
288.54 acres
0
0
16,049
53,110
0
0
4,991,752
14,474
0
74.591
5,150,020 sq.m
515.00 hectares
1,272.57 acres
0
0
0
0
0
0
0
0 sq.m
0 hectares
0 acres
3,225,038
2,092,820
1,368,954
2,315,957
0
0
Q
9,002,720 sq.m
900.27 hectares
2,224.57 acres
continued
40
-------
TABLE 6. (continued)
Choptank River - 7
Patuxent River - 8
Middle Western Shore - 9
Claiborne (36)
St. Michaels (37)
Easton (38)
Tilghman (43)
Oxford (44)
Trappe (45)
Preston (46)
Hudson (51)
Church Creek (52)
Cambridge (53)
East New Market (54)
Taylors Island (62)
Golden Hill (63)
Fowling Creek (160)
0
0
0
854,462
55,139
0
0
1,677,407
494,585
0
0
474,703
0
Q
3,556,280 sq.m
355.63 hectares
878.76 acres
Deale (35)
Lower Marlboro (41)
North Beach (42)
Benedict (49)
Prince Frederick (50)
Mechanicsville (59)
Broomes Island (60)
Cove Point (61)
Hollywood (70)
Solomons Island (71)
Bristol (159)
North Beach (42)
Prince Frederick (50)
Hudson (51)
Broomes Island (60)
Cove Point (61)
Taylors Island (62)
Solomons Island (71)
Barren Island (72)
St. Marys City (80)
Point No Point (81)
Richland Point (82)
12
20
202
46
49
83
0
0
0
,655
0
,782
,040
,206
,740
,334
0
414,758 sq.m
41.47 hectares
102.49 acres
0
0
0
0
0
0
0
0
0
0
0
continued
41
-------
TABLE 6. (continued)
Middle Western Shore - 9 (continued)
Point Lookout (90)
Lower Potomac River - 10
Upper Potomac River - II
Nanjemoy (56)
Mathias Point (57)
Popes Creek (58)
Mechanicsville (59)
King George (65)
Dahlgren (66)
Colonial Beach
North (67)
Rock Point (68)
Leonardtown (69)
Hollywood (70)
Solomons Island (71)
Colonial Beach
South (76)
Stratford Hall (77)
St. Clements
Island (78)
Piney Point (79)
St. Marys City (80)
Machodoc (87)
Kinsale (88)
St. George
Island (89)
Point Lookout (90)
Lottsburg (96)
Heathsville (97)
Burgess (98)
Port Tobacco (161)
Charlotte Hall (162)
Washington West (28)
Washington East (29)
Alexandria (34)
Fort Belvoir (39)
Mt. Vernon (40)
Quantico (47)
0 sq.m
0 hectares
0 acres
1,084,509
2,841,829
0
0
124,893
142,880
177,861
0
0
0
0
0
0
0
0
104,834
0
0
57,317
0
0
0
0
47,515
Q
4,581,660 sq.m
458.17 hectares
1,132.13 acres
4,709
193
10,567
0
0
,559
,510
,873
462,680
continued
42
-------
TABLE 6. (continued)
Upper Potomac River - 11
(continued)
Indian Head (48)
Widewater (55)
Nanjemoy (56)
Mathias Point (57)
Passapatanzy (64)
King George (65)
Dahlgren (66)
Port Tobacco (161)
Middle Eastern Shore - 12
Mid-Bay Island Complex - 13
175,902
391,663
0
0
0
36,080
0
8.868
16,546,000 sq.m
1,654.60 hectares
4,088.52 acres
Taylors Island (
Golden Hill (63)
Barren Island (7
Honga (73)
Wingate (74)
Nanticoke (75)
Rich!and Point (
Bloodsworth
Island (83)
Deal Island (84)
Monie (85)
Terrapin Sand
Point (92)
Marion (93)
Great Fox Island
Crisfield (101)
Mardela Springs
Wetipquin (164)
62)
2) 2
6
1
82)
1
(100)
(163)
0
25,312
,698,140
,320,436
,719,705
0
424,582
631,752
602,364
245,963
116,443
,601,402
405,412
474,794
0
0
15,266,300 sq.m
1,526.63 hectares
3,772.30 acres
Richland Point (82)
Bloodsworth
Island (83)
Deal Island (84)
Kedges Straits (91)
Terrapin Sand
Point (92)
Ewell (99)
Great Fox Is. (100)
4,925:
6,933.
20
816.
,129.
260
0
686
166
335
5,070,650
continued
43
-------
TABLE 6. (continued)
Mid-Bay Island Complex -
13 (continued)
Tangier Island (107)
Lower Eastern Shore - 14
Reedville - 15
Great Fox Island(lOO)
Crisfield (101)
Saxis (102)
Tangier Island (107)
Chesconessex (108)
Parksley (109)
Nandua Creek (113)
Pungoteague (114)
Jamesville (119)
Franktown (124)
Cape Charles (133)
Cheriton (134)
Elliotts Creek (142)
Townsend (143)
Heathsville (97)
Burgess (98)
Reedville (106)
Irvington (111)
Fleets Bay (112)
4,776.080
42,646,200 sq.m
4,264.62 hectares
10,537.88 acres
5,423,941
757,425
0
215,117
9,117,026
2,358,039
3,787,050
6,967,337
4,195,310
3,927,005
2,664,183
735,050
94,300
119.663
40,362,000 sq.m
4,036.20 hectares
9,973.45 acres
0
0
879,860
0
2.356.672
3,236,500 sq.m
323.65 hectares
574.88 acres
Rappahannock River Complex -
16 Tappahannock (95)
Dunnsville (103)
Morattico (104)
Lively (105)
Urbanna (110)
Irvington (111)
Fleets Bay (112)
Saluda (116)
Wilton (117)
Deltaville (118)
Ware Neck (122)
continued
0
0
0
0
361,581
973,454
0
0
267,491
188,821
0
44
-------
TABLE 6. (continued)
Rappahannock River Complex - 16 (continued)
Mathews (123)
New Point Comfort Region - 17
Mobjack Bay Complex - 18
York River - 19
Mathews (123)
New Point
Comfort (132)
Ware Neck (122)
Mathews (123)
Achilles (131)
New Point
Comfort (132)
Toano (120)
Gressitt (121)
Williamsburg (129)
Clay Bank (130)
Achilles (131)
New Pt. Comfort (132)
Hog Island (138)
Yorktown (139)
Poquoson West (140)
Poquoson East (141)
285,143
2,076,490 sq.m
207.65 hectares
513.10 acres
2,384,410
2,384,410 sq.m
238.44 hectares
589.19 acres
1,943,175
295,692
5,133,250
4,902,160
12,274,200 sq.m
1,227.42 hectares
3,032.95 acres
0
0
0
0
2,420,750
3,196,458
0
9,776
452,685
0
6,079,660 sq.m
607.97 hectares
1,502.28 acres
Lower Western Shore - 20
Poquoson West (140)
Poquoson East (141)
Elliotts Creek (142)
Newport News
North (146)
Hampton (147)
Norfolk North (150)
continued
,452,
,524,
2,839
,510
,160
0
0
,868
0
45
-------
TABLE 6. (continued)
Lower Western Shore - 20 (continued)
Little Creek (151)
Cape Henry (152)
Kempsville (156)
Princess Anne (157)
0
405,040
0
Q
13,222,100 sq.m
1,322.21 hectares
3,267.18 acres
James River - 21
Toano (120)
Westover (125)
Charles City (126)
Brandon (127)
Norge (128)
Williamsburg (129)
Savedge (135)
Claremont (136)
Surry (137)
Hog Island (138)
Yorktown (139)
Bacons Castle (144)
Mulberry Island (145)
Newport News
North (146)
Hampton (147)
Benns Church (148)
Newport News
South (149)
Norfolk North (150)
Little Creek (151)
Chuckatuck (153)
Bowers Hill (154)
Norfolk South (155)
Kempsville (156)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0 sq.m
0 hectares
0 acres
continued
46
-------
TABLE 6. (continued)
Chincoteague Bay Berlin (167) 70,564
Public Landing (169) 0
Tingles Island (170) 10,205,999
Girdle Tree (171) 0
Boxiron (172) 6,649,380
Whittington Point
(173) 2,079,020
Chincoteague West
(174) 0
Chinoteague East
(175) 4.010.000
23,014,963 sq.m
2,301.50 hectares
5,687.00 acres
47
-------
SECTION 4
RESULTS
1. SUSQUEHANNA FLATS
There were 2219 hectares of SAV in the Susquehanna Flats section in
1987 (Tables 4-6, Fig. 8). SAV beds were located principally in two main
areas: 1. moderate to dense fringing beds in the Susquehanna River
consisting primarily of M. spicatum. with P. pectinatus, C. demersum, V.
americana and N. guadalupensis in lesser amounts from Robert, Wood and
Spencer Islands to the river mouth at Havre de Grace on the west side, and
to Stump Point at the mouth of Mill Creek on the north side; and 2. a large
area of patchy SAV located in the broad shoal area at the river mouth. This
broad shoal consisted primarily of small patches of M. spicatum. with P.
pectinatus, C. demersum and N. guadalupensis.
A total of nine species (M. spicatum, H. dubia. V. americana, H.
verticillata, C. demersum, P. pectinatus, N. quadalupensis, P. perfoliatus,
and Na.las spp.) have been reported either by Stan Kollar of Harford
Community College or the citizens' field survey. SAV beds consisted of up
to six species, with M. spicatum being dominant. H. dubia, V. americana, H.
verticillata and C. demersum also occurred in significant abundance. The
total SAV abundance in this section has remained relatively stable since
1984, although beds in the river portion have increased in density. SAV is
virtually absent from Mill Creek, Furnace Bay, Northwest River, Swan Creek,
Spesutie Island and western Elk Neck. The charterboat captain survey
located only several small beds of M. spicatum in the Northeast River,
including two SAV beds identified from aerial photographs.
48
-------
3937. 5
3930.0
3922. 5-H-
Figure 8. Distribution of SAV in Susquehanna Flats (Section 1).
49
-------
2. UPPER EASTERN SHORE
There were 103 hectares of SAV mapped for the Upper Eastern Shore
section in 1987 (Tables 4-6, Fig. 9), consisting of sparse to moderately
dense, small beds. Principal locations of beds were in the lower Elk River,
Swan Creek, lower Sassafras River, Stillpond Creek, and the mouth of Churn
Creek. Very little SAV was mapped in the Bohemia River and along the
mainstem of the bay from Stillpond Creek to Swan Point. This section has
contained relatively little SAV since the baywide SAV survey began in 1978,
although, historically, this section has contained abundant SAV.
M. spicatum and V. americana were the two most commonly reported
species, with six other species reported in lesser amounts as determined by
the citizen and charterboat captain surveys.
50
-------
3945.0
3937.5
3930.0
3922.5
3915.
3907.
Figure 9. Distribution of SAV in Upper Eastern Shore (Section 2)
51
-------
3. UPPER WESTERN SHORE
There were 117 hectares of SAV mapped from the aerial photographs in
1987 for the Upper Western Shore section (Tables 4-6, Fig. 10). SAV beds
were concentrated in the Bush, Gunpowder, and Middle River areas and in
Saltpeter and Seneca Creeks. Very little SAV was reported in the Back,
Patapso, and Magothy Rivers.
M. spicatum and V. americana were the two most abundant species as
reported by the citizen and charterboat captain surveys, with £. canadensis,
Z. palustris, P. pectinatus, E. canadensis, P. perfoliatus and C. demersum
being occasionally reported. The amount of SAV reported for 1987 is less
than previous years. SAV in this section appears to be quite dynamic, with
potential for the many small areas that only are reported in the ground
truth surveys to rapidly expand if water quality conditions improve.
52
-------
3930.0
3922.5
3915.0
3907.5
irr>n ill i iN 11111111
3900. Q pllllllllllllll III II llll
Figure 10. Distribution of SAV in Upper Western Shore (Section 3).
53
-------
4. CHESTER RIVER
There were 515 hectares of SAV in the Chester River section in 1987
(Tables 4-6, Fig. 11). Most of the SAV was located adjacent to Eastern Neck
and Eastern Neck Island, and in the Chester River. Dense beds were found in
Grays Inn and Langford Creeks off the Chester River. The remainder of
Chester River, including the area adjacent to Kent Island, was relatively
unvegetated. Additional beds are found in Swan and Huntingfield Creeks,
located above Eastern Neck on the Chesapeake Bay.
Six species of SAV were reported from this section in 1987 by the
citizen and charterboat captain surveys. R. maritima was by far the most
abundant species in this section with P. pectinatus, P. perfoliatus, M.
spicatum, £. canadensis, and Z. palustris being reported less frequently.
The Chester River area, historically, supported some of the most dense and
diverse stands of SAV in the middle reaches of the bay (some of which are
still present today).
5. CENTRAL WESTERN SHORE
There was no SAV observed from the aerial photography in the Central
Western Shore section in 1987 (Tables 4-6, Fig. 12). In fact, this area has
had very little SAV since 1984. Although not evident in the aerial
photography, the citizens' survey reported SAV in the Deale and South River
quadrangles, with R. maritima and Z. palustris found in Deale and Z.
palustris found in South River. Z. palustris has been reported from the
headwaters of the Magothy, Severn and South Rivers (F. Dawson, pers. comm.).
54
-------
3915.0
3907.5
3900.0
3852.5
Figure 11. Distribution of SAV in Chester River (Section 4).
55
-------
3907.5S
3900.0
3852.5
3845.0
3837.5
in
CO
o
K)
CD
in
CM
(N
CO
o
in
CO
Figure 12. Distribution of SM in Central Western Shore (Section 5)
56
-------
6. EASTERN BAY
There were 900 hectares of SAV identified from the Eastern Bay section
in 1987 (Tables 4-6, Fig. 13). SAV occurred as mostly sparse to dense beds
throughout this section and is the most that has been observed since 1978.
The large increase in SAV abundance from 1986 may represent an artifact of
the aerial photographs, since SAV was reported throughout this section by
the charterboat captain survey in 1986. In 1987, the SAV was identified as
being particularly abundant along both shorelines in Crab Alley Bay,
Prospect Bay, Parson Island, Piney Neck and the lower portion of the Miles
River. Little SAV was present from Punch Point on the Western shore of
Eastern Bay to Pawpaw Cove on Tilghman Island. R. maritima is, by far, the
most abundant species as reported by both the citizens and charterboat
captain surveys, with only one other species, P. perfoliatus, reported once
from the Eastern Bay region. There are numerous reports of R. maritima in
areas where beds were not identified from the photographs. These sightings
probably represent areas that are sparse and patchy and would not show up on
the imagery. Therefore, estimates may be low.
57
-------
3900.0
3852.5
3845. 0
3837.
Figure 13. Distribution of SAV in Eastern Bay (Section 6).
58
-------
7. CHOPTANK RIVER
There were 356 hectares of SAV observed in the Choptank River section
in 1987 (Tables 4-6, Fig. 14). Most of the SAV occurred in sparse to dense
beds in only a few areas. These were principally along the eastern side of
Tilghman Island, the lower portion of Harris Creek, the mouth of Chapel
Creek, Cook Point Cove, Covey Creek, Brannock Bay, and Cators Cove. There
was almost no SAV in Broad Creek, Tred Avon River and much of the Little
Choptank River. Vegetation above Chapel Creek in the Choptank River is
sparse but not completely absent. R. maritima was found by HPEL personnel
behind Hambrooks Bar near Cambridge, and in front of the Horn Point
Laboratory boat basin. Z. palustris grew in Dickerson Bay, Trappe Creek,
Bolingbroke Creek and Foxhole Creek in the early part of the growing season.
Ground surveys in the river by citizen and charterboat captain surveys,
as well as scientists from the University of Maryland's Horn Point
Environmental Laboratories, located four species of SAV in this section,
with R. maritima being the most prevalent. £. pectinatus and Z. palustris
was observed in scattered locations, while Z. marina was reported at only
one location. R. maritima was reported from a number of areas in this
section that did not appear to have SAV from the aerial photographs.
59
-------
3852.5
3845.0
3837.5
3830. 0
3822.
i i i i i i i iTrT i i«jjf=
Figure 14. Distribution of SAV in Choptank River (Section 7)
60
-------
8. PATUXENT RIVER
There were 41 hectares of SAV reported in the Patuxent River section in
1987 (Tables 4-6, Fig. 15). SAV in the Patuxent River has always been at
very low levels of abundance and has not exceeded 50 hectares in any year
since the baywide effort began in 1978. There were sporadic sightings of
four SAV species in the Patuxent River by citizens and charterboat captains.
Those species reported were: Z. palustris, P. pectinatus, M. spicatum. and
R. maritima.
9. MIDDLE WESTERN SHORE
There were no SAV beds identified in the Middle Western Shore section
in 1987 (Tables 4-6, Fig. 16). Four species cited by the citizens' survey
(R. maritima, C. demersum, Z. palustris, P. pectinatus) occurred on the St.
Marys quadrangle. Most of the area in this broad section of the bay is of
high energy, exposed beaches that are unsuitable for SAV growth. We would
therefore not expect large expanses of SAV, rather only small pockets of SAV
in creeks or ponds that empty into the bay. Previous surveys have reported
no more than 23 hectares of SAV.
61
-------
3837. 5+ I KM I I I
3830.0-
3822. 5
3815. 0
Figure 15. Distribution of SAV in Patuxent River (Section 8).
62
-------
3845. 0
3837. 5
3830. 0
3822.5
3815. 0
3807. 5
3800.0
in
CO
o
o
ro
CD
in
CM
CD
o
in
CD
in
o
to
Figure 16. Distribution of SAV in Middle Western Shore (Section 9)
63
-------
10. LOWER POTOMAC RIVER
There were 458 hectares of SAV identified in the Lower Potomac River section
from the 1987 aerial photography (Tables 4-6, Fig. 17). Most of the SAV in
this section occurred in the region near the Rt. 301 bridge, in Nanjemoy and
Port Tobacco Creeks and in the shoreline adjacent to these two creeks. A
majority of SAV beds were moderately to densely vegetated. SAV beds were
identified as fringing along the eastern side of Mathias Point Neck to the
Rt. 301 bridge. Several small beds were observed in Machodoc and Cuckhold
Creeks, just below the Rt. 301 bridge. The USGS survey found V. americana
to be the most common species here, with M. spicatum, P. perfoliatus,
P. pectinatus, C. demersum, and Z. palustris also being reported (see
quadrangles in Appendix C for USGS species information). Citizen volunteers
reported many of these same species.
SAV was absent in the remainder of this section from just below the
Rt. 301 bridge to the river mouth except for small but moderately dense beds
in and adjacent to the St. Marys River. Citizen survey observations
indicate that R. maritima was the only species present here.
64
-------
3830.0
3822.5
3815.0
3807.5
3800.0
3752.5
Figure 17. Distribution of SAV in Lower Potomac River (Section 10).
65
-------
11. UPPER POTOMAC RIVER
There were 1,655 hectares of SAV mapped in the Upper Potomac River
section from the 1987 aerial photographs (Tables 4-6, Fig. 18). The area of
the river between Marshall Hall and the Woodrow Wilson bridge was very
densely vegetated, with H. verticillata being by far the dominant species
here. Although the total abundance of SAV in this section had not changed
as dramatically in the last three years as before that time, SAV continued
to be observed further down river in smaller, but densely vegetated beds.
H. verticillata is found down to Quantico and Mallows Bay. Numerous SAV
species were present, with M. spicatum, C. demersum, H. dubia, Na.ias spp.
and V. americana being reported most commonly in this region, while Z.
palustris, P. pectinatus and N. guadalupensis were reported less frequently.
Results from the USGS survey of this region were very similar to the
data collected from the aerial photography (Rybicki, et al., 1988) (Figs.
19, 20). Species information from the USGS survey can be found on the
topographic quadragles located in Appendix C. Their survey continued to
confirm aerial photographic observations of the absence of SAV from Occoquan
Bay south to Quantico. SAV was present around Quantico but, except for a
few scattered beds, is absent along the western side of the river from
Quantico south to Mathias Point Neck.
66
-------
3852.5
3845.0
3837.5
3830.0
3822.5
3815. 0
. .1 I I II I I I I T=K1 I L I I J-fcJ I LIJJJ I I-L- I I I I II I I I I I
Figure 18. Distribution of SAV in Upper Potomac River (Section 11)
67
-------
77°15'
77°
39°
38°45'
EXPLANATION
Percent cover of hydrilla
in vegetated areas.
MARYLAND
. Mallows Bay
5
J_
10 MILES
10 KILOMETERS
Figure 19. Percent cover of Hvdrilla in vegetated areas in the tidal
Potomac River in 1987.
68
-------
77°15'
77°
39"
38°45'
EXPLANATION
Percent cover of submersed
aquatic vegetation.
MARYLAND
. Mallows Bay
10 MILES
I
10 KILOMETERS
Figure 20. Percent cover of submersed aquatic vegetation in the tidal
Potomac River in 1987.
69
-------
12. MIDDLE EASTERN SHORE
There were 1,527 hectares of SAV identified in the Middle Eastern Shore
section (Tables 4-6, Fig. 21). For this report this section has been
reorganized as indicated earlier, with boundaries given in Table 3. It now
excludes South Marsh and Bloodsworth Islands and includes the Big and Little
Annemessex Rivers. SAV beds were very abundant in: 1. the lower Honga River
adjacent to Middle Hooper Island, Wroten Island, Parks Neck, and Asquith
Island; 2. between Barren Island and Meekins Neck-Upper Hooper Island; and
3. the lower Manokin and the Big and Little Annemessex Rivers. Little SAV
was observed in Fishing Bay, the Nanticoke and Wicomico Rivers.
R. maritima was the predominant species found by the citizen and
charterboat captain surveys. They included reports from many areas that
were not identified in the aerial photography. SAV in this section has
undergone a very large increase since first observed in 1984 due to the
rapid spread of R. maritima. Z. marina, the only other species found, was
reported from one location in the Big Annemessex River.
70
-------
3830
• 0 ih 11 I-IM-MTI fl
'
3822.5
3815.0
3807. 5
3800.0
3752.
Figure 21. Distribution of SAV in Middle Eastern Shore (Section 12)
71
-------
13. MID-BAY ISLAND COMPLEX
There were 4,265 hectares of SAV mapped in the Mid-Bay Island Complex
in 1987 (Tables 4-6, Fig. 22). This section's boundaries have been revised
from the earlier surveys and now include Bloodsworth and South Marsh
Islands, but exclude the area from the Big Annemessex River to Chesconessex
Creek. The broad, expansive shoal area between Tangier Island and Smith
Island continued to be densely vegetated by both R. maritima and Z. marina,
and was by far the largest bed in the Chesapeake Bay. Shoal areas inside
these two islands also were densely vegetated. SAV continued to increase in
abundance around Bloodsworth and South Marsh Islands. Only R. maritima had
been reported by the charterboat captain survey around these islands.
14. LOWER EASTERN SHORE
There were 4,036 hectares of SAV observed in the Lower Eastern Shore
section in 1987 (Tables 4-6, Fig. 23). This section has been revised for
the 1987 report. It now includes the area from just above Great Fox Island
to Chesconessex Creek which had been part of Section 13. Large dense beds
of Z. marina and R. maritima continue to persist at the mouth of Cherrystone
Inlet near Cape Charles, at the mouths of Hungars Creek, Mattawoman Creek,
Occahannock Creek, Craddock Creek, Pungoteague Creek, Onancock Creek, and
Chesconessex Creek, at the Big Marsh area near Chesconessex Creek, at Webb
Island off the mouth of Deep Creek, and on the large shoal area on the
eastern side of the Fox Islands. Those areas between the above mentioned
creeks were sparsely vegetated. This was due largely to the dynamic and
72
-------
3815.0
3807.5
3800.0
3752.5
3745.0
SOU1\H MARSH
ISLAND
Figure 22. Distribution of SAV in Mid-Bay Island Complex (Section 13)
73
-------
3800. 0
3752.5 r
3745.0 r
3737. 5 :r
3730.0 r
3722.5
3715.0 r
3707.5
3700.0
Figure 23. Distribution of SAV in Lower Eastern Shore (Section 14)
74
-------
14. LOWER EASTERN SHORE (continued)
exposed nature of these sites. There was very little SAV in the Pocomoke
Sound area, and there was no SAV south of Old Plantation Creek just below
Cape Charles.
15. REEDVILLE
There were 324 hectares of SAV identified in the Reedville section in
1987 (Tables 4-6, Fig. 24). SAV beds consisted of sparse to moderately
dense beds of £• maritima and Z. marina, as noted by the citizens' survey.
Most were found in Little Bay, Dymer Creek, Indian Creek, Ball Creek,
Dameron Marsh, Fleeton Point and Taskmasker Creek.
16. RAPPAHANNOCK RIVER COMPLEX
There were 208 hectares of SAV observed in the Rappahannock River
Complex in 1987 (Tables 4-6, Fig. 25). This was a significant increase from
that reported in the last three annual surveys and was a result of the rapid
spread of R. maritima into both the Rappahannock and Piankatank Rivers. In
particular, dense beds of R. maritima were found in the Corrotoman River
where little SAV was found prior to 1987. R. maritima was present in small
scattered beds throughout these two systems, many of which did not appear on
the aerial photography. A dense SAV bed consisting of R. maritima at the
mouth of Carter Creek off the Rappahannock River, and a small dense bed of
R. maritima and Z. marina off Willis Wharf, and on both sides of the Hole in
the Wall in Milfprd Haven, continued to persist.
75
-------
3752. 5+
3745.0
3737. 5-
Figure 24. Distribution of SAV in Reedville (Section 15).
76
-------
3745. 04
3737.5
3730. 0
3722.5
Figure 25. Distribution of SAV in Rappahannock River Complex (Section 16)
77
-------
16. RAPPAHANNOCK RIVER COMPLEX (continued)
Z. marina was present in very small patches off Parrott Island in the
Rappahannock River, Milford Haven and Burton Point in the Piankatank River.
This vegetation is the result of successful transplant efforts by VIMS
scientists.
17. NEW POINT COMFORT REGION
There were 238 hectares of SAV identified in the New Point Comfort
Region in 1987 (Tables 4-6, Fig. 26). SAV consisted of sparse to dense beds
of Z. marina and R. maritima between New Point Comfort and just north of
Horn Harbor.
18. MOBJACK BAY COMPLEX
The Mobjack Bay Complex contained 1,227 hectares of SAV in 1987 (Tables
4-6, Fig. 27). This section has also been revised from the 1986 report.
The boundary between this section and the York River section (19) is now a
line bisecting the large shoal off the Guinea Marsh area. Moderate to dense
SAV beds, consisting of Z. marina and R. maritima, were most abundant along
the entire shoreline of the Mobjack Bay as well as in three of four
tributary rivers: Severn, Ware and North. Several small beds of R.
maritima were observed within the East River. The Mobjack Bay area
continued to harbor some of the more extensive SAV beds on the western shore
of the lower Chesapeake Bay.
78
-------
3730. 0-
3722.5
3715. 0
I I LJ I I I LJ I I
Figure 26. Distribution of SAV in New Point Comfort (Section 17).
79
-------
3730. 0 +
3722.5
3715.
I I I I I I I I I I I I I I I I I I K I I
Figure 27. Distribution of SAV in Mobjack Bay Complex (Section 18).
80
-------
19. YORK RIVER
There were 608 hectares of SAV observed in the York River section in
1987 (Tables 4-6, Fig. 28). This section has also been revised from the
1986 report. The boundary between this section and the Mobjack Bay section
(18) is now a line bisecting the large shoal off the Guinea Marsh area.
Moderate to dense SAV beds, consisting of both Z. marina and R. maritima,
were located principally along the north shore from Gloucester Point to the
mouth of the river. The only beds present along the south shore were
located on the north side of Goodwin Islands. SAV beds were absent upstream
2
of Gloucester Point except for small (<1 m ) patches of Z. marina at Little
Mumfort Island on the north shore, and just below the Naval Weapons Station
on the south shore. These were transplanted in 1985 and 1986 and have
persisted through 1987. The SAV beds planted in 1982 and 1983 at Gloucester
Point continue to thrive in 1987, similar to many naturally expanding beds
along the north shore.
20. LOWER WESTERN SHORE
There were 1,322 hectares of SAV mapped in the Lower Western Shore
section in 1987 (Tables 4-6, Fig. 29). SAV beds, consisting of Z. marina
and R. maritima, remained as dense beds in Broad Bay, Back River, Drum
Island Flats and on the south side of Goodwin Island. No SAV was present in
the southwest and northwest branches of Back River, or in the Poquoson
River, Chisman Creek and Back Creek.
81
-------
3722. 5
3715.0
3707.5
Figure 28. Distribution of SAV in York River (Section 19).
82
-------
3715.0
3707.5
3700.0
3652.
Figure 29. Distribution of SAV in Lower Western Shore (Section 20).
83
-------
21. JAMES RIVER
The mainstem James River and tributaries emptying into the James
remained, for the most part, unvegetated in 1987 (Tables 4-6, Fig. 30). A
small section of the Chickahominy that was identified as having SAV in 1987
was photographed. It included Gordon and Nettles Creek, and Nayses Bay.
The photography showed SAV beds as occurring in similar locations to
previous aerial surveys, indicating that these beds appear to be relatively
stable. However, SAV beds were not mapped. Many of the observed beds
occurred in small creeks and on a topographic quadrangle were represented by
a thin line. Tracing and digitizing a single line rather than a polygon
shaped bed would have resulted in large errors, thereby compromising our
quality control standards. Ground survey information from a graduate
student of the University of Virginia, and from several citizens indicated
fringing SAV beds consisting of N. minor, N. quadalupensis, C. demersum and
Z. palustris in Sunken Marsh, Morris Creek and the Chickahominy main stem,
on the Brandon quadrangle. SAV species are probably distributed throughout
the Chickahominy River system, occupying the fringes of many tidal creeks.
84
-------
3730.0
3722.5
3715.0 r
3707.5 =
3700.0 r
3652. 5. 5
3645. 0 ^
3637.5
-------
22. CHINCOTEAGUE BAY
There were 2,301 hectares of SAV identified in the Chincoteague Bay
section in 1987 (Tables 4-6, Fig. 31). Beds were mostly of moderate to
dense coverage with Z. marina predominating in the southern part of the bay
and R. maritima in the northern half. All of the SAV was found on the
eastern side of the bay west of Assateague Island in water depths of less
than 1 meter (MLW). The vegetation was concentrated in four relatively
distinct areas identical to that reported in the 1986 survey. They were
located west of the northern end of Chincoteague Island, and west of
West Bay, Green Run Bay, and the Tingles Island area. The increase in SAV
in 1987 from 1986 was a result of additional SAV being mapped in the middle
and upper sections of Sinepuxent Bay which were not flown in the 1986
survey. It is likely that these beds were present in 1986. Thus, this
region appears to have remained quite stable over the past several years,
with little expansion observed in the other southern, oceanside lagoonal
systems.
86
-------
75° 30'
75° 15'
38°
75° 30'
75° 15'
Figure 31. Distribution of SAV in Chincoteague Bay,
87
-------
SECTION 5
HISTORICAL TRENDS
SAV in the Chesapeake Bay has undergone rapid fluctuations in
distribution and abundance in the recent past (Orth and Moore, 1981, 1983,
1984). Although, overall, there is currently much less SAV baywide
than in the recent past, patterns of change have varied from region to
region within the bay. In order to assess these changes from an historical
perspective, it is critical to have long term data on distribution of SAV
including species presence or absence and the size of individual SAV beds in
specific areas of the bay.
SAV in the Chesapeake Bay has been accurately mapped on a baywide basis
for the years 1978, 1984, 1985, 1986 and 1987. In addition, sections of the
upper bay were mapped for 1979, and sections of the lower bay were mapped
for 1971, 1974, 1980 and 1981 (Orth and Gordon, 1975; Orth, et al., 1979;
Anderson and Macomber, 1979; Orth, et al., 1985, 1986, 1987). Three
representative areas in the lower bay were chosen to describe changes in the
distribution of SAV in this region based on the availability of digitally
mapped data (Fig. 32). These areas represent three different scenarios of
change that SAV has undergone since the early 1970's. In the lower York
River SAV declined in the early 1970's but has slowly returned in the last
five years. In the Rappahannock River area SAV almost completely
disappeared in the early 1970's and has recently returned to a few sections.
The eastern shore area, where SAV had not significantly declined in the
1970's, had some smaller changes in the last decade.
88
-------
3750.0
3740.0 -
3730.0
3720.0
3710.0
HISTORICAL WINDOWS
t RAPPAHANNOCK RIVER
Figure 32. Location of 3 areas used in historical trends analysis.
89
-------
YORK RIVER
SAV data for this area, which includes all of the area in section 19,
were available for 1971, 1974, 1978, 1980, 1981, 1984, 1985, 1986, and 1987
(Fig. 33). The recent changes of SAV in the York River can be characterized
by: 1. an abundance of SAV in 1971, primarily along the north shore and
extending upriver to Clay Bank, consisting primarily of Z. marina and R.
maritima (Fig. 34); 2. a rapid decline between 1971 and 1978, primarily in
the upriver sections as well as the deeper portions of the established beds
in the downriver areas (Fig. 35), during which approximately 50% of the SAV
was lost; 3. a gradual increase in SAV between 1984 and 1987, principally
in the downriver portions and in those areas in close proximity to existing
beds (Fig. 36). These changes suggest that SAV had been affected by a major
perturbation in the early 1970's that caused a shift in the abundance of SAV
from upriver to downriver areas. The pattern of change in this river, as
well as others along the western shore, has suggested that factors reducing
SAV abundance may be related to upland runoff. Many factors known to be
associated with SAV declines (i. e. increased turbidity and dissolved
nutrients) generally increase with distance upriver, and, also, effects
should be more pronounced as water column depth increases. The questions
currently being asked by researchers investigating these hypotheses concern
whether levels of these factors are sufficient to effect the observed
responses. SAV has increased gradually between 1984 and 1987, principally
in the downriver sections only, indicating that suitable conditions for SAV
growth have returned to these areas. Although this revegetation has
90
-------
s
A
V
A
R
E
A
H
E
C
T
A
R
E
S
1000—1
800 —
600 —
400 —
200 —
LOWER YORK RIVER HISTORICAL WINDOW
PLOT OF TOTAL SAV AREA FOR ALL DENSITY CLASSES
1970 1972 1974 1976 1978 1980 1982 1984 1986 1988
YEAR
Figure 33. SAV changes in the York River, 1971-1987.
91
-------
3722.5
3715.0
3707.5
MOBJACK
BAY
300DWIN ISL.
LOWER YORK RIVEFL
(1971)
SAV AREA = 818.4 HECTARES
Figure 34. SAV in the York River, 1971.
92
-------
3722.5
3715. 0
3707 5
MOBJACK
BAY
;OODWIN ISL.
LOWER YORK RIVERJ
(1978)
SAV AREA = 452.2 HECTARES
' ' ' ' '" u ..... ' ' '
I I I I I I I I I I
Figure 35. SAV in the York River, 1978.
93
-------
3722.
3715.0
3707.
........
MOBJACK
BAY
GUINEA
MARSH
JOODWIN ISL.
LOWER YORK RIVERJ
(1987)
SAV AREA = 608.0 HECTARES
Figure 36. SAV in the York River, 1987.
94
-------
occurred naturally, success of VIMS transplanting efforts along the gradient
of SAV in the York River since 1978 has paralleled the natural recovery
(VIMS, unpublished data). Areas upstream of the Gloucester Point - Yorktown
constriction in the river are generally still unsuitable for SAV growth.
RAPPAHANNOCK RIVER
SAV data for the Rappahannock River, which represents a portion of
Section 16, were available for the same period as the York River data (Fig.
37). Changes in SAV in this river are characterized by: 1. an abundance of
SAV, consisting of both I. marina and R. maritima, in 1971 along both shores
(Fig. 38); 2. a rapid decline between 1971 and 1974, with SAV being almost
completely eliminated from the entire river by 1974 (Fig. 39); 3. continued
absence of SAV through 1986 with a rapid increase in SAV in 1987 in certain
downriver areas (Fig. 40). Transplantation efforts in this river in
portions that represented the historical distributional limits of SAV,
generally paralleled the natural changes. Although, as with the York, both
Z. marina and R. maritima occurred in this area prior to 1971, and both
subsequently declined, only R. maritima has recolonized sites along the
lower half of the former SAV distribution. R. maritima has been described
as a colonizer of suitable habitat, and potentially can produce an abundance
of seeds more suitable for dispersion than Z. marina. Its recent rapid
spread has also been observed in other sections of the bay. However, why it
has spread in the Rappahannock and not the York River is as yet unclear.
95
-------
s
A
V
A
R
E
A
H
E
C
T
A
R
E
S
800—1
RAPPAHANNOCK RIVER HISTORICAL WINDOW
PLOT OF TOTAL SAV AREA FOR ALL DENSITY CLASSES
600 —
400 —
200 —
1970 1972 1974 1976 1978 1980 1982 1984 1986 1988
YEAR
Figure 37. SAV changes in the Rappahannock River, 1971-1987.
96
-------
3745.0
3737.5
3730.0
J?APPAHANNOCK RV.
(1971)
SAV AREA = 702.6 HECTARES
i
Figure 38. SAV in the Rappahannock River, 1971.
97
-------
3745. 0
3737.5
3730.
SAV AREA =3.5 HECTARQS
I i i I I I I I I III I I
Figure 39. SAV in the Rappahannock River, 1974.
98
-------
3745.0
3737.5
3730.
YUV
^—•>—-
RAPPAHANNOCK RV.
(1987)
SAV AREA = 160. 1
Figure 40. SAV in the Rappahannock River, 1987.
99
-------
EASTERN SHORE
SAV data for the eastern shore, which represents a portion of Section
14, were available from 1978, 1980, 1981, 1984, 1985, 1986, and 1987 (Fig.
41). Although data were not available for this area prior to 1978,
additional data for a smaller subsection of this area were available prior
to 1978 (Orth, et al., 1987). Changes in this section can be characterized
by: 1. abundant SAV in 1978 which, based on data from the smaller historical
area, was most likely not significantly different from 1971 (Fig. 42); 2.
some changes between 1978 and 1980, resulting in a decrease of approximately
30% of the SAV in this section (Fig. 43); 3. a gradual increase in SAV
abundance from 1980 through 1987 (Fig. 44). This eastern shore region has,
to a large degree, different runoff characteristics than many of the western
shore tributaries, such as the York and Rappahannock Rivers. The drainage
basins of the creeks along this region are small, and circulation patterns
promote flushing with clear oceanic water having fewer nutrients. Its
location and response therefore support the hypothesis of runoff being an
important factor affecting SAV survival in the bay region.
100
-------
s
A
V
A
R
E
A
H
E
C
T
A
R
E
S
1000-^
800 —
600 —
400 —
200 —
EASTERN SHORE HISTORICAL WINDOW
PLOT OF TOTAL SAV AREA FOR ALL DENSITY CLASSES
1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988
YEAR
Figure 41. SAV changes along the lower Eastern Shore, 1978-1987.
101
-------
3730. OH
3722. 5
3715. 0-
VA EASTERN SH
(1978)
SAV AREA = 789. 1 HE
Figure 42. SAV along the lower Eastern Shore, 1978.
102
-------
3730.0-
3722.5
3715.0
VA EASTERN SH
(1980)
SAV AREA = 806.0 HE
Figure 43. SAV along the lower Eastern Shore, 1980.
103
-------
3730. 0_t-
i l I I I i l l l I l I l r
VA EASTERN SH
(1987)
SAV AREA = 877. 3 HE
3722.
3715.0
Figure 44. SAV along the lower Eastern Shore, 1987.
104
-------
SECTION 6
LITERATURE CITED
Anderson, R. R. and R. T. Macomber. 1980. Distribution of submersed
vascular plants Chesapeake Bay, Maryland. U.S. EPA. Final Report.
Chesapeake Bay Program. Grant No. R805970. 126 pp.
Godfrey, R. K. and J. W. Wooten. 1981. Aquatic and Wetland Plants of
Southeastern United States: Dicotyledons. The University of Georgia
Press, Athens. 933 pp.
Godfrey, R. K. and J. W. Wooten. 1979. Aquatic and Wetland Plants of
Southeastern United States: Monocotyledons. The University of Georgia
Press, Athens. 712 pp.
Harvill, A. M. Jr., C. E. Stevens and D. M. E. Ware. 1977. Atlas of the
Virginia Flora: Part I, Pteridophytes through Monocotyledons.
Virginia Botanical Associates, Farmville. 59 pp.
Harvill, A. M. Jr., T. R. Bradley and C. E. Stevens. 1981. Atlas of the
Virginia Flora: Part II, Dicotyledons. Virginia Botanical Associates,
Farmville. 148 pp.
Kartesz, J. T. and R. Kartesz. 1980. A Synonymized Checklist of the
Vascular Flora of the United States, Canada, and Greenland: Volume II,
The Biota of North America. The University of North Carolina Press,
Chapel Hill. 498 pp.
Orth, R. J. and K. A. Moore. 1981. Submerged aquatic vegetation in the
Chesapeake Bay: past, present and future, pp. 271-283. In: Proc.
46th North American Wildlife and Natural Resources Conf. Wildlife
Manage. Inst., Wash., D.C.
105
-------
Orth, R. J. and K. A. Moore. 1982. The biology and propagation of Zostera
marina, eelgrass, in the Chesapeake Bay, Virginia. U.S. EPA. Final
Report Chesapeake Bay Program. Grant No. R805953. 187 pp.
Orth, R. 0. and K. A. Moore. 1983. Chesapeake Bay: an unprecedented
decline in submerged aquatic vegetation. Sci. 222:51-53.
Orth, R. J. and K. A. Moore. 1984. Distribution and abundance of submerged
aquatic vegetation in Chesapeake Bay: an historical perspective. Est.
7:531-540.
Orth, R. J. and K. A. Moore. 1988. Submerged aquatic vegetation in the
Chesapeake Bay: A barometer of Bay health, pp. 619-629. In: M. Lynch
(Ed.) Understanding the estuary: Advances in Chesapeake Bay Res.
Chesapeake Res. Consort. Pub. No. 129. CBP/TRS/24/88.
Orth, R. J., K. A. Moore and H. H. Gordon. 1979. Distribution and
abundance of submerged aquatic vegetation in the lower Chesapeake Bay,
Virginia. U.S. EPA. Final Report. Chesapeake Bay Program. EPA-
600/8-79-029/SAV1.
Orth, R. J., J. Simons, R. Allaire, V. Carter, L. Hindman, K. Moore and N.
Rybicki. 1985. Distribution of submerged aquatic vegetation in the
Cheapeake Bay and tributaries - 1984. EPA. Final Report. Coop.
Agreement X-003301-01. 155 pp.
Orth, R. J., J. Simons, J. Capelli, V. Carter, L. Hindman, S. Hodges, K.
Moore and N. Rybicki. 1986. Distribution of submerged vegetation in
the Chesapeake Bay and tributaries - 1985. U.S.E.P.A. Final Report.
296 pp.
Orth, R. J., J. Simons, J. Capelli, V. Carter, A. Frisch, L. Hindman, S.
Hodges, K. Moore and N. Rybicki. 1987. Distribution of submerged
106
-------
aquatic vegetation in the Chesapeake Bay and tributaries and
Chincoteague Bay - 1986. U.S.E.P.A. Final Report. 180 pp.
Radford, A. E., H. E. Ahles and C. R. Bell. 1968. Manual of the Vascular
Flora of the Carolinas. The University of North Carolina Press, Chapel
Hill. 1183 pp.
Rybicki, N., R. T. Anderson, and V. Carter. 1988. Data on the distribution
and abundance of submersed aquatic vegetation in the tidal Potomac
River and Transition Zone of the Potomac Estuary, Maryland, Virginia,
and the District of Columbia, 1987. U. S. Geological Survey Open-File
Report 88-307. 31 pp.
Stevenson, J. C. and N. Confer. 1978. Summary of available information on
Chesapeake Bay submerged vegetation. U.S. Dept. of Interior, Fish and
Wildlife Serv. FWS/OBS-78/66. 335 p.
Wood, R. D. and K. Imahori. 1965. A Revision of the Characeae: Volume I,
Monograph of the Characeae. Verlag Von J. Cramer, Weinheim. 904 pp.
Wood, R. D. and K. Imarhori. 1964. A Revision of the Characeae: Volume II,
Iconograph of the Characeae. Verlag Von J. Cramer, Weinheim. 395
icones with Index.
107
-------
APPENDICES
108
-------
APPENDIX A
SPECIES OF SUBMERGED AQUATIC PLANTS FOUND IN THE CHESAPEAKE BAY AND
TRIBUTARIES (CLASSIFICATION AND NOMENCLATURE DERIVED FROM: GODFREY AND
WOOTEN, 1979, 1981; HARVILL, ET AL., 1977, 1981; KARTESZ AND KARTESZ, 1980;
RADFORD, ET AL., 1968; WOOD AND IMAHORI, 1965, 1965)
Family
Species
Common name
Characeae
(muskgrass)
Potamogetonaceae
(pondweed)
Ruppiaceae
Zannichelliaceae
Najadaceae
Hydrocharitaceae
(frogbit)
Pontedariaceae
(pickerelweed)
Ceratophyllaceae
(coontail)
Trapaceae
Haloragaceae
(water milfoil)
Zosteraceae
Chara braunii Gm.
Chara zevlanica Klein.
ex Willd., em.
Nitella flexilis (L). Ag., em.
Potamogeton perfoliatus L. var.
bupleuroides (Fernald) Farwell
Potamogeton pectinatus L.
Potamogeton crispus L.
Potamogeton pusillus L.
Ruppia maritima L.
Zannichellia palustris L.
Na.ias guadalupensis (Sprengel)
Magnus
Na.ias gracillima (A. Braun)
Magnus
Na.ias minor Alii on i
Vallisneria americana Michaux
El odea canadensis (Michaux)
Egeria densa Planchon
Hvdrilla verticillata (L.f.)
Boyle
Heteranthera dubia (Jacquin)
MacMillian
Ceratophvllum demersum L.
Trapa natans L.
Myriophvllum spicatum L,
Zostera marina (L.)
Muskgrass
Redhead grass
Sago pondweed
Curly pondweed
Slender pondweed
Widgeongrass
Horned pondweed
Southern naiad
Naiad
Wild celery
Common el odea
Water-weed
Hydrilla
Water stargrass
Coontail
Water chestnut
Eurasian
water milfoil
Eelgrass
109
-------
APPENDIX B
LATITUDE AND LONGITUDE COORDINATE POINTS DEFINING 21
MAJOR SECTIONS IN THE CHESAPEAKE BAY AND CHINCOTEAGUE BAY
LATITUDE
DEG MIN
SEC.
SEC.
SEC.
SEC.
LONGITUDE
DEG MIN
1. Susquehanna Fl
39
39
39
39
39
27.00
39.15
39.15
27.50
26.50
76
76
75
76
76
2. Upper Eastern
39
39
39
39
39
39
39
39
39
39
10.00
20.00
26.50
27.50
39.15
39.15
19.50
20.00
12.55
09.25
76
76
76
76
75
75
75
76
76
76
3. Upper Western
39
39
39
39
39
39
39
39
39
39
12.40
30.00
27.00
26.50
20.00
10.00
00.00
03.50
06.82
11.15
4. Chester Ri
39
39
39
39
39
39
39
39
38
39
00.00
10.00
09.25
12.55
20.00
19.50
05.00
05.00
57.10
00.00
76
76
76
76
76
76
76
76
76
76
ver
76
76
76
76
76
75
75
76
76
76
ats
10.00
10.00
51.00
00.00
01.31
Shore
20.00
12.50
01.31
00.00
51.00
45.00
45.00
00.00
10.40
16.00
Shore
49.00
20.00
10.00
01.31
12.50
20.00
20.00
32.30
35.40
40.00
20.00
20.00
16.00
10.40
00.00
45.00
45.00
00.00
11.85
19.10
LATITUDE
DEG MIN
LONGITUDE
DEG MIN
SEC. 5. Central Western
38
38
39
39
39
39
39
38
38
42.90
55.00
12.40
11.15
06.82
03.50
00.00
55.00
45.00
76
76
76
76
76
76
76
76
76
Shore
35.00
37.50
49.00
40.00
35.40
32.30
20.00
25.00
25.00
SEC. 6. Eastern Bay
38
38
39
39
38
39
38
38
38
38
38
45.00
55.00
00.00
00.00
57.10
05.00
50.00
44.10
50.00
45.00
42.50
76
76
76
76
76
76
76
76
76
76
76
25.00
25.00
20.00
19.10
11.85
00.00
01.65
10.50
16.50
20.00
20.50
SEC. 7. Choptank River
38
38
38
38
38
38
38
39
39
38
38
38
38
23.50
45.00
42.50
45.00
50.00
44.10
50.00
05 00
05.00
45.00
45.00
21.93
25.00
76
76
76
76
76
76
76
76
75
75
75
75
76
20.00
25.00
20.50
20.00
16.50
10.50
01.65
00.00
45.00
45 00
50 00
55 00
06 80
110
-------
LATITUDE
DEG MIN
LONGITUDE
DEG MIN
SEC. 8. Patuxent River
38
38
38
38
38
38
38
38
15.00
35.00
58.00
55.00
42.90
30.00
21.66
18.00
76
77
76
76
76
76
76
76
SEC. 9. Middle Western
38
38
38
38
38
38
38
38
38
38
02.85
05.00
15.00
18.00
21.66
30.00
42.90
45.00
23.50
05.00
76
76
76
76
76
76
76
76
76
76
SEC. 10. Lower Potomac
37
37
37
38
38
38
38
38
38
38
38
38
37
53.40
55.50
53.85
06.15
15.00
20.00
24.20
35.00
15.00
05.00
02.85
05.00
50.00
76
76
76
76
77
77
77
77
76
76
76
76
76
25 45
00.00
45.00
37.50
35.00
32.30
23.50
22.83
Shore
19.40
21.54
25.45
22.83
23.50
32.30
35.00
25.00
20.00
10.00
River
14.45
18.15
28.00
53.00
06.40
09.40
14.08
00.00
25.45
21.54
19.40
10.00
10.00
LATITUDE
DEG MIN
SEC.
SEC.
SEC.
SEC.
LONGITUDE
DEG MIN
11. Upper Potomac River
38
38
38
39
38
38
38
38
15
20
27
01
58
35
24
20
12. Middle
38
38
38
38
38
38
38
38
37
37
38
38
11
23
25
21
45
40
00
00
57
55
11
13
.00
.00
.65
.80
.00
.00
.20
.00
77
77
77
77
76
77
77
77
Eastern
.10
.50
.00
.93
.00
.00
.00
.73
.10
.00
.70
.60
76
76
76
75
75
75
75
75
75
75
75
76
06.40
24.80
25.00
17.10
45.00
00.00
14.08
09.40
Shore
13.30
20.00
06.80
55.00
50.00
37.00
38.00
49.50
50.30
55.10
59.00
05.83
13. Tangier-Smith Islands
37
37
38
38
38
38
37
45
50
05
11
13
11
55
14. Lower
37
37
37
37
37
37
37
38
38
38
37
37
00
20
38
50
45
55
57
00
00
00
46
20
.00
.00
.00
.10
.60
.70
.00
75
76
76
76
76
75
75
58.30
10.00
10.00
13.30
05.83
59.00
55.10
Eastern Shore
.00
.00
.75
.00
.00
.00
.10
.73
.00
.00
.45
.00
75
76
76
76
75
75
75
75
75
75
75
75
58.95
10.00
10.00
10.00
58.30
55.10
50.30
49.50
38.00
30.00
39.30
55.50
111
-------
SEC.
SEC.
SEC.
LATITUDE
DEG MIN
15. Reedville
37 38.75
37 37.40
37 38.05
37 44.35
37 48.00
37 53.85
37 55.50
37 53.40
37 50.00
LONGITUDE
DEG MIN
76 10.00
76 21.40
76 23.50
76 23.00
76 28.00
76 28.00
76 18.15
76 14.45
76 10.00
16. Rappahannock River Complex
37 26.50
37 25.00
37 28.00
37 29.00
37 32.00
37 49.15
37 53.73
37 58.00
37 48.00
37 44.35
37 38.05
37 37.40
37 38.75
17. New Point
37 17.45
37 19.45
37 20.00
37 21.00
37 22.25
37 25.00
37 26.50
37 20.00
76 10.00
76 18.08
76 20.00
76 25.00
76 35.00
76 48.00
76 49.65
76 45.45
76 28.00
76 23.00
76 23.50
76 21.40
76 10.00
Comfort Region
76 16.16
76 16.62
76 17.40
76 17.40
76 19.50
76 18.00
76 10.00
76 10.00
LATITUDE
DEG MIN
LONGITUDE
DEG MIN
SEC. 18. Mobjack Bay Complex
37
37
37
37
37
37
37
37
37
37
37
37
37
17.00
16.25
17.00
16.50
20.00
25.75
29.00
28.00
25.00
22.25
21.00
20.00
19.30
37 17.45
SEC. 19. York
37
37
37
37
37
37
37
37
37
37
37
37
37
37
37
River
14.00
13.25
12.50
07.30
14.00
16.72
26.29
30.55
28.56
20.00
16.50
17.00
16.25
17.00
14.00
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
19.33
22.50
25.42
28.50
31.88
31.00
25.00
20.00
18.00
19.50
17.40
17.40
16.62
16.16
22.50
24.00
27.50
28.20
36.50
43.65
49.77
40.00
35.00
31.88
28.50
25.42
22.50
19.33
19.33
112
-------
LATITUDE LONGITUDE LATITUDE LONGITUDE
DEG MIN DEG MIN DEG MIN DEG MIN
SEC. 20. Lower Western Shore Chincoteague Bay
36 49.11 75 58.05 37 52.50 75 30.00
36 45.75 76 07.00 38 00.00 75 30.00
36 55.85 76 16.00 38 07.50 75 22.50
36 57.79 76 16.00 38 15.00 75 17.50
36 58.00 76 17.70 38 15.00 75 15.00
37 01.05 76 18.52 38 22.50 75 15.00
37 03.68 76 19.80 38 30.00 75 10.00
37 00.60 76 24.00 38 30.00 75 02.50
37 07.30 76 28.20 38 22.50 75 02.50
37 12.50 76 27.50 38 15.00 75 07.50
37 13.25 76 24.00 38 07.50 75 10.00
37 14.00 76 22.50 38 00.00 75 15.00
37 14.00 76 19.33 37 52.50 75 20.00
37 17.00 76 19.33 37 51.00 75 22.30
37 17.45 76 16.16 37 51.00 75 30.00
37 20.00 76 10.00
37 00.00 75 58.95
SEC. 21. James River
36
36
36
36
36
37
37
37
37
37
37
37
37
37
37
36
36
36
45.75
40.00
40.00
40.00
55.63
17.30
20.15
27.45
26.29
16.72
14.00
07.30
00.60
03.68
01.05
58.00
57.79
55.85
76
76
76
76
76
77
77
77
76
76
76
76
76
76
76
76
76
76
07.00
10.00
30 00
40.00
40.00
18.00
14.00
08.10
49.77
43.65
36.50
28.20
24.00
19.80
18.52
17.70
16.00
16.00
113
-------
t
APPENDIX C
TOPOGRAPHIC QUADRANGLES SHOWING THE 1987 DISTRIBUTION AND ABUNDANCE OF SAV
(BOUNDARIES OF INDIVIDUAL SAV BEDS ARE DELINEATED BY SOLID LINES. EACH BED
IS IDENTIFIED WITH A LETTER (A-Z) AND A NUMBER (1-4). THESE NUMBERS
REPRESENT THE DENSITY CLASSIFICATION DISCUSSED IN THE TEXT AND FIG. 4, I.E.,
1 = <10%; 2 = 10-40%; 3 = 40-70%; 4 = 70-100%. GROUND TRUTHING REPRESENTED
BY SYMBOLS AND SPECIES CODES WHICH ARE EXPLAINED IN THE LEGEND ON EACH MAP.)
114
-------
UN1TLD STATES
DEPARTMENT OF THE fNTERiOR
GEOLOGICAL SURVEY
SUBMERGED AQUATIC VEGETATION
SPECIES
Zm Zvsiera marina (eelgrass) Hv Hydnlla venicillata (hydnlla)
Rm Rupptamarttima (widgeon grass) Hd Hfieranihera dubm (water slargrass)
Ms MyriophyltumspicatwH (Eurasian waterrmlloil) Per Poiamogetoncrisptu (curty pondweed]
Ppf Potamageionperfohatus (redhead-grass) Cd Ceratophyllitm dtmersum (coontail)
Ppc Poiamogetonpeutnatm (sago pondweed) Ppu Poiamagetonpusillia (slender pondweed)
Zp 7annichettiapalusi'is (horned pondweed) Ngu Najas guadalupensis (southern naiad)
N Najas spp (naiad) Ngr Najas gracillima (naiadj
EC Ehdea canadensis (common elcxJea) C Chara sp (muskgrass)
Va Vallisnena anuricana {wild celery) Nm Nafas minor (slender naiad)
Tn Trapa natans (waterchestnut) i_ | | _.,__._,__*_ ,
(J Unknown species composition 11 i ••
SURVEY STATIONS
MD C/iarter Boat Field Survey
Citizens Field Observation
VIMS Field Survey
USGSSNVCC Survey
SCALE 1 24 000
DATE FLOWN
8-11-87
ABERDEEN,
MD
002
115
-------
HAVKE Qt- GRACE--QUADKANOLt
,- ' . ^p^,, ^y TI v_ , / ( _ ^_^-
^SUBMERGED AQUATIC VEGETATION -1987^ 1,
•f&J-.wMKSfe.. , \ IV ' A\\ I • ' 1 N~?./ . vv , \ '0 - j\_., "","
;^V/^^K\- "-'"
SSS^Ww --••
* Ground troth provided by Stan Kollar
of Harford Comrnunity College
8-11-87
HAVRE DE
GRACE, MD
003
SURVEY STATIONS
MD Charier Boat Field Survey
Citizens Field Observation
A VIMS Field Survey
A U S G S 8 N V C C Survey
116
-------
SUBMERGED AQUATIC VEGETATION-1987
* Ground truth prljyJSwl by S}on l=jf.
Zp Z..-W,
N •>_.!>
EC £*\&
Va ij^j
Tn r-v?\]
U Umn
SPECIES
u^Z^gn*,, Hd
r»*».tftJ-.1Eu™^»i.n™wi Per
*•«<-».« pts-riAjrw (sa^o pononekx»ai C
JVTJ j^rn.-j^j ;«nW ce*ery) Nm
j*tj.ii iwal&i- cf>*S)nij(l
own speoss composJTon
H,^a0>OT,JIJu,n«lnliai
P.iiBB.^ri.in i rL!,--k.' icurty potxjweedl
f,nuBWj«wf>iuilftu (sJarxter ponem najad)
s^ <^n~
-------
UNITED STATES
JA DEPARTMENT OF THE INTERIOR
'+< GEOLOGICAL SURVEY
UNITED STATES
DEPARTMENT OF THE ARMY
CORPS OF ENGINEERS
EDGEWOOD QUADRANGLE
>b MINUTE SERItS (TOPOGRAPHIC!
AQUATIC VEGETATION -1987
,•?••'
SPECIES
Zm
Rm
Ms
Pol
Ppc
Zp
N
EC
Va
Tn
U
Zosiera manna (eelgrass)
Ruppta marmma (widgeon grass)
Mynophyllumspicarum (Eurasian watermtltoil)
Poiamageton perfotiatus (red he ad- grass)
Poiamngeton pecttnatus (sago pondweed)
Zanmckellta palustns (horned pondweed)
NOJOS £pp (naiad}
Elodea canaderau (common elodea)
Valttsnena ameneana (wild celery)
Trapa naians (water chestnu)
Unknown species composition
Hv
HO
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Hvdrilla veniulla a (hydnlla)
Heteramhera dubi i (water Slargrass)
Paiamcgetan cnsf us (curly pondweed)
Cerarophvtlumdetwnum (coonlail)
Posamogeton pusntus (slender pondweed)
V«IKH guadalupe* « (southern naiad)
N^gracaiuna^aO}
tharasp (muskg ass)
Vujos rninor (sletvler naiad)
SCALE 1 24
1 5 0
1 S C
SURVEY STATIONS
• MD Charter Boat Field Survey
41 Citizens Field Observation
A VIMS Field Survey
A USGS&NVCC Surve
~
00
1 MILE
I KILOMETER
y
DATE FLOWN %
9-25-87 '*-'•
EDGEWOOD,
MD
007
118
-------
LNi f£.D si AiLb
DEPARTMENT OF THE INTERIOR
SUBMERGED AQUATIC VEGETATION
Rm Rupptamar
Ms Mynophyllu
PpC Pntamogeio
Zp ianrtickeliw
N VflJ« w
EC f fo*a ran.]
Va Vatltsneria
Tn 7 ropa natan
U Unknown s
no (eelgrsss)
ama (widgeon grass)
mipwum (Eurasian watermilfo
nperfoliatia (redhead grass)
npectinatus (sago pondweed)
palustris (tiorned pondweed)
naiad)
densis (common elodea)
smencana [wild celery)
s (water cnestnut]
Mciescomposition
SPECIES
Hv
Hd
I) Per
Cd
Ppu
Ngu
Ngr
C
Nm
%««™««, (hydniai SURVEY STATIONS
Hfieranthera dubia (water slargrass)
Potamngfton crtspus (curly pondweed)
Cerataphyllumdemersum (COOnlail)
Potamiigfion pusillus (slender pondweed)
Najas guadalupensis (southern natad)
"w™"'™
Charasp (muskgrass)
tVajai minor (slender naiad)
SCALE 1 24 C
s °
• MD Charter Boat Field Survey
Q Citizens Field ObservatJon
A VIMS Field Survey
• USGS &NVCC Survey
00
1 KILOMETFO
UAIt hLUWlN
9-25-87
FERRYMAN,
MD
008
p».,, „„;'"«!> ,„.„
119
-------
UNTED STATES
\^ DEPARTMENT OF THE INTERIOR
" GEOLOGICAL SURVEY
Sf'LSUriF QUADRANGLE
* Ground truth provided by Stan Kollar of
, Harford Community College i
SUBMERGED AQUATIC
VEGETATION-1987
.n ,,„,,, 'ij'»'
-.—: —^-» i
SPECIES
Zm
Rm
Ms
Ppf
Ppc
2<»,™™r«(,,lg,aS5)
Ruppia marmma (widgeon gra
Wvn^H.* «..«**« (Euras
Peiamogetortperfoliatus (redhe
ssj
an waiertniKoilj
ad-grass)
Pciamogeton pectinaius (sago pondweed)
Zp ZannictieUiapa/usmx (horned pondweed)
N
EC
Va
Tn
U
iVaios spp (naiad)
Elcdea canaderuis (common e
Va'hsntria americana (wild ce
Trupa natans (water chestnut!
Unknown species compositio
odea)
sry)
-
Hv Hydnlla verticillam (hydr Ha)
Hd Heieranihera dubia (waiers!argrass)
Per Pnuunogtinn crispus (cury pondweed)
Cd Ceratvp/iyUumdemersum CoontailJ
Ppu Poiumt>$etonpusi!liu (sle x3er pondweed)
Ngu No/as gaadalupemis (sou hern naiad)
Ngr jv^s^u™ (naiad)
C Chara sp (muskgrass)
Nm Najas minor (slender nau d)
SCALE 1 24 C
I C
SURVEY STATIONS
• MD Charter Boat Field Survey
0 Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC Survey
00
' E3~~ " —-1
1 KILOMETER
DATES FLOWN
8-11-87
9-25-87
SPESUTIE,
MD
009
120
-------
SUBMERGED AQUATIC VEGETATION-1987
„ L
*Va
*«?ft3 '.
<:=4JP*r '
B"«CL -
^ M!^W*!L«M!
>, 1^3
•f'
Ckr. i .. "f- \
'**#-$., ' ^ ^
-"- " ,-\
> ~
-' -;-''
'-
\ -k -
\ (. KJ» "
SPECIES
Zm Zoiwra manna (eelgrass)
Rm Ruppia maniima (widgeon grass)
Ms Mynophyllumspicasui
Ppf Poiamogetonperfoha
Zp Zan/uchellia palustrts
N Wo/as vtp (naiad)
n (Eurasian walermilfotl)
ui (redhead- grass)
u (sago pond weed)
horned pondwead)
EC tlodea canadensu (common elodea)
Va VaUuntna amencana
Tfl Trapa naians (water c
U Unknown species cc
(wild celery)
hestnut)
m position
---I
«
..
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
~ J .
J 5
Hv.Ms - 4 '^
JT»,Ms »| , -, ..
"W " • 1 '.-"*'
• '• Jt.M
V"" */ '""'a ^
* "lj~ '
Hydrtlla vemcillata (hydnlla)
Heieronthera dubm (water stargrass)
Pocamogeton crupiu (curty pondweed)
Ceratophyllumdemersum (cooniail)
Potumogeton pusilfus (stefxJer pontjweed)
Najas guadalupensis (southern naiad)
Najas gracilttma (naiad)
Chora sp (muskgrass)
Ma/as minor (slender natadj
SCALE 1 24 C
1 S 0
1 s °
A ' 1 ' :
-• v \
/ 4 • , v - •-. .\ -y /
" ' . i ' ..- -f, V „ /
• - J . •' , " '"^ -
fe'^ •• .° /
K"» ' '"*?^ " ^. . „,,__ . , / ,,f^
SURVEY STATIONS
• MD Charter Boat Field Survey
0 Citizens Field Observation
A VIMS Field Survey
A USGSSNVCC Survey
T
00
,KIIO"ETE>
Ly^ 1 c ri_^»»iv
8-11-87
EARLEVILLE,
MD
010
121
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
MIDDLE RIVER QUADRANGLE
MARYLAND BALTIMORE CO
75 MINUTE SERIES (TOPOGRAPHIC]
\^-.<
^.
- ^
SUBMERGED AQUATIC VEGETATION-1987
- S *(
IPOORAPHICI ,^
if" '
-------
UNITED STATES
^ DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
SUBMERGED AQUATIC^ .;
VEGETATION-1987
,-"M
&' . •'" <^^^-^.J\ ^"'1
- ^ (*»Y • •.
>
. . «• ~^ -
"-„_'. * '/
S A P E A K E
Zm Zosiera manna (eelgrass)
Rm Ruppus maniona (widgeon grass)
Ms Mynophyllum spicatum (Eurasian watermilt
Ppf Poi&nogetonperfoluaus (redhead-grass)
Ppc Pocamogeton pecnnatus (SZQQ pond weed)
N Najas spp (naiad)
EC Etodea caaadensis (common elodea)
Va Vatlisnena amertcana (wild Celery)
Tn Traps naians (water chestnut)
U Unknown species composition
SPECIES
Hv Hydnlta vemallata (hydnlla)
Hd tisieraaihera aubia (water siargrass)
)il) Per Potamogewn cnspus (curly porvdweed)
Cd Ceraloptiyltumdemersum (coontail)
PpU Potamogetanpusillus (slender porxJweed)
Ngr Najas graaltima (naiad)
C Char-asp (muskgrass)
Nm Najas minor (Slender naiad)
SCALE 1 24,C
? o ^
SURVEY STATIONS
• MD Charter Boat Field Survey
£ Citizens Field Observation
A USGS&NVCC Survey
00
-VOMETE*
9-2
GUNPOWDE
NECK, N
0
014
123
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
HANESVILLE QUADRANGLE
/SUBMERGED AQUATICVEGETAlOll987:
-,r-PROVING" ' ' '"•*
SPECIES
Zm
Rm
Ms
Ppf
Ppc
ZP
N
EC
Va
Tn
U
Zo«era manna (ealgrass)
Ruppta manuma (widgeon grass)
Mynopkyllum spicatum (Eurasian wale rmi It oil)
Poiamogftonperfohanu (redhead-grass)
Poiamogeion pecnnatiu (sago pond weed)
Zanruchtlha patustris (horned porldweed)
Na
-------
UNlTtD STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
BE.TTERTON QUADRANGLE
f5 MINUTE SERIES {TOMOGRAPH 1C I
SUBMERGED AQUATIC VEGETATION-1987
SPECIES
Zm Zosura marina (eelgrass) Hv Hydnlla wticittata (hydnlla)
RfTl Ruppmmariuma (widgeon grass) Hd Heteranihera iluitta (water stargrass)
Ms Mynophyllumipicaium (Eurasian watermilfoil) Per Poiomageion cnspia (curly pondweed)
Ppf Poiamogeion perfohaius (redhead-grass) Cd Ceratophyliumdfmersum (coontail)
PpC Potamogtioa pectinaius (sago pondweed) Ppu Poiamogeton pusiilus (slender pondweed)
Zp Zanrachfthapalustns (horned pondweed) Ngu Najta guadaiupensts (southern naiad)
N Najas spp (naiad) Ngf Najas gmalltma (naiad)
EC FI/idea canadeasa (common etodea) C Chora sp (muskgrass)
Va Vallisnfnaamericana (twtd celery) Nm Najas minor (slender naiad)
Tn Trapo ntuons (water chestnut) \ s
U Unknown species composition «=»=
SURVEY STATIONS
• MO Charter Boat Field Survey
t Citizens Field Observation
A VIMS Field Survey
A USGSSNVCC Survey
SCALE 1 24 000
DATE FLOWN
8-11-87
BETTERTON,
MD
016
125
-------
SUBMERGED AQUATIC VEGETATl6lN^1987
SPECIES
Zm Zosiera marina (eel grass)
Rm Ruppta maruuna (widgeon grass)
Ms Myriophyltumspicatum {Eurasian watermilfoil)
Ppf Pofamogewnpcrfolioiw (redhead-grass)
Zp Zaitntchflliapalustru (homed pond weed)
N Najas ipp (naiad)
EC Elodea canndetwu (common elodea)
Va Vallisnena amencana (wild celery)
Tn Trapa naians (water chestnut)
U Unkno oeci
' „ .,.._/' ^
HV Hydrilia vemciUaia (hydlllla)
Hd Heteramhera dubia (water stargrass)
Per Poiamogaon crtspia (cuhy pondweed)
Cd Cerotophyliumdemersum (coontail)
^QU ffajas guadalupensis (southern naiad)
Ngr tfajas gracillima (naiad)
C Chora sp (muskgrass
Nm Najas wnor (slender raiad)
SCALE 1 24,C
5 0
-,. . ^c
SURVEY STATIONS
• MD Charter Boat Field Survey
^ Citizens Field Observation
A VIMS Field Survey
A USGS&NVCC Survey
00
1 KHOMETEH
"' "*"' °° °= " "' 4^
8-11-87
GALENA,
MD
017
19S3
126
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURELY
SUBMERGED AQUATIC VEGETATION-1987
2m
flm
Ms
Ppt
Ppc
Zp
N
EC
Va
Tn
U
ZoKrcnrouleelg
Kuppia martlima (vtK
Mynophyllum spu.aru
PoUMgttowrfolia
Potamogeton pectinai
7aH*u-telltapaluttru
NOJOS spp (naiad)
Elodea canadeiaa (ct
Valksnena amencana
Trapa natara (water
ass)
geon grass)
•n (Eurasian waterm
tus (red he ad- grass)
iii (sago pondweed)
(horned pondwaed)
mmon elooea)
(wild celery)
hestnut)
SPECIES
Hv
Hd
foil) Per
Cd
Ppu
Ngu
Ngr
c
Nm
Hydrilla v
Heierantk
Patronage
mia/toa(hydnlla)
eradubta (water stargrass)
on crtspus (curly pondweed)
Cerawpkyllutn demirswn (coontail)
PoHiMge
bajasgua
Hawgra
Chara sp
fiajas nun
Unknown species composition
onpusMus (slender pondweed)
dalupensis (southern naiab)
./^(na.ad,
(muskgrass)
or (slender na.ad)
SCALE 1 £4 Q
1 5 0
1 S 0
SURVEY STATIONS
• MD Charter Boat Field S
rvey
0 Citizens Field Observation
A VIMS Field Survey
• uses
00
tuiif
,K".o«erefi
SNVCC Sur\
ey
DATE FLOWN
9-25-87
SPARROWS
POINT, MD
019
127
-------
UNITED SPATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
UNITED STATES
:PARTMENT OF THE ARM
CORPS OF ENGINEERS
SWAN POINT OUADRANl.
SUBMERGED AQUATIC VEGETATION-1987
~ ~'/H ' ~B 5 A P E A K "E
SPECIES
Zm
Rm
Ms
Ppf
Ppc
Zp
N
EC
Va
Tn
U
Zosiera nv.
Ruppiama.
irtna (eelgrass)
ntuna (widgeon grass)
Mynophyllum iptcatum (Eurasian vvatermilfoil)
Poiamogeton perfoiiafus (redhead-grass)
Poiamoge
Zanrucheli
Najas spp
Elodea can
Vallunena
Trapanata
Unknown
on pecnnatus (sago pondweed}
apalustru (horned pondweed)
(naiad)
adensu (cam man elodea)
americana (wild celery)
as (water chestnifl)
species composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Hydrilla venicillata (hydnll l)
Heteronthera dubia (water 'itargrass)
Poiantogaon cnspus (curty pondweed)
Ceratophyllumdemersum (C3Ontail)
Potamogetonpustllus (slencer pondwaed)
Najos guadalupensis (south srn naiad)
Najas gracillima (naiad)
Chora sp (muskgrass)
Najas nunor (slender naiad
SCALE 1 24,
5 o
SURVEY STATIONS
• MD Charter Boat Field Survey
• Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC Survey
00
1 KILOMETER
DATE FLOWN \
8-11-87 ''••'
SWAN POINT,
MD
020
128
-------
UNITED STATES
DEPARTMENT OF THE ARM
CORPS OF ENGINEERS
ROCK HALL QUADRANGLE
75 MINUTE SERIES ( TOPOGRAPHIC i
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
SUBMERGED AQUATIC VEGETATION
15 "" ' ' " > ICJCTXI TI ^ ^ ^m J-J- j; , 12 30' •* " "~"^,^"'' ^"£ei" f> '0 1»i • c '.
Zm
Rm
Ms
Ppf
Ppc
Zp
N
EC
Va
Tn
U
Zosttra manna (eelgrass)
Ruppatnaniima (widgeon grass]
MynophyUumspicalwn {Eurasian water mil
PotamoRetonperfc'luuus (redhead- grass)
Poiamogeton peciinaius (sago pondweed)
Zantuchelliapalustrii (horned pondweed)
Najas spp (naiad)
Eladta canadensu (common elodea)
VaHtsnenaamericana (wild celery)
Trapa natara (water chestnut)
Unknown species composition
SPECIES
Hv
Hd
oil) Per
Cd
Ppu
Ngu
Ngr
C
Nm
Hydrilla verticillaia (hydnlla)
Heteraruhera ttubta (wafer Slargrass)
Poiamogeton cnspus (curly pondweed)
Cfraiophyllumdemersum (coontail)
Potamagetonpuiillus (slender pondweed)
Na/as guadatupentts (southern naiad)
Najas gracillima (naiad)
Chora sp (mushgrass)
Ntyai minor (slender naiad)
SCALE 1 24 0
1 s o
SURVEY STATIONS
• MD Charter Boat Field Survey
£ Citizens Field Observation
A VIMS Field Survey
A USGS&NVCC Survey
00
1 KILOMETER
DATE FLOWN .
8/11 /87
ROCK HALL, MD
021
129
-------
UNITED STATES
DLPARTMFNT OF THE INTERIOR
. GEOLOGICAL SURVEY
SUBMERGED AQUATIC VEGETATION -1987
:>/ u ^:^,y ?-•-:• m^,
^/ / /^vs!>^^^,\'• V--3 r>', ^X^tv<\i
^wA^W&Si'-: :" / ityrJs^sr '" ' •£- ~ i V'V~ *™s 5v
'.. "• ^"
-i?#^OV.s^j^>.-^ /
SPECIES
Zm
flm
Ms
Ppf
°pc
Zoster
Ruppia
manna (eel grass)
moruuna (widgeon grass)
Myriophyllum spicaium (Eurasian watermilfoil)
Potami
ge(onperfo!«««s Bedhead-grass}
geion pecnnotia (sago pondwaed)
Zp Zanructtflltapalusiris (hofned pondweed)
N
EC
Va
Tn
J
Najas
ESodea
Vallisn
Irapa
Unkna
pp (naiad)
caruuiensts (common elodea)
erta americana (wild celery)
latans (water chestnut]
wn species composition
HV HjdnJi, «««,;(«« (hydnlla)
HfJ Heieramhera du,
-------
SUBMERGED AQUATIC VEGETATION -
'" \s
BAa*5" '' '
•Rm
\ '• ,
, '- 1 -- '„•/*
- ,£- •'<:( ^tf.
f ' >-S-~ ~- '' •''-' ., V "
" ---•> - " ' ; >> '
\,.,.<; : ']
*t ' '
" , , - - - ,- — v -- - f
AA3
SPECIES
Zm
Rm
Ms
Ppf
Ppc
Zp
N
EC
Va
Tn
U
Zailera mi
Kuppiama
tnna (eelgrass)
tritima (widgeon grass)
Myriophyllumspicanm (Eurasian watermdtoil)
Paunog,
Potamogc
on perfottatus (redhead-grass)
on pecnnatus (sago pondweed)
Zanatchetlia paluseru (horned pond weed)
Najas spp
Ehdea ca
Valluneno
Trapanal
(naiad}
iadensis (common elodea)
amencana (wild celery)
ins (water chestnut)
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Unknown species composition
Hydrilla vernctllata (hydnlla)
Heteramhera dubta (water siargrass)
Poiomogeton cnspus (curly ponbweed)
Ceraiophyliumdemersum (coontatl)
PoiomogetonpusMus (slendef pondweed)
Najtu guadalupeiuu (southern naiad)
Najas grae tllima (naiad)
Chata sp (muskgrass)
Najas minor (slender naiad)
SCALE 1 24 C
1 S 0
SURVEY STATIONS
• MD Charter Boat Field Survey
0 Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC Survey
00
1 KILOMETER
DATE FLOWN
6-11-87
LANGFORD
CREEK, MD
026
r
131
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
UNITED STATES
lEPARTMENT OF THE. ARM
CORPS OF ENGINEERS
CENTREVILLE QUADRANGLE
MftRYUiND
7 5 MINUTE 8EPIE3 (TOPOGRAPHIC]
I^^SUBMERGED AQUATIC^ VEGETATION
fy/^/^^ \ \
' ( ,-/?'• V
1987J
^
/xf
L \\
}
.^
)
W C;
~) <^=
^N \N
^-;a
^
\ L
f ^ ^ -/K^ ^ ^^
- * ; (J^& -. "'
'•• /iVj V^N- M \ffi ~ '~
<^|C°w^7t,
rt^r -^ <^" 4^ ^,
AA3 //^ \\ ^?^ ^ ^ K V-, '
!'V^fl3 // • -W-^^v^ ^ N 7y-\ '-•—
>^i&M§"r^.
'//^fr^ v %JL\J ^ P\\ N/.' /K
^rx. / A n V <• ^^1^ "*" Vv ^ ^' ' ? *
'
' 'iii>a^f
v ~r-,r~ ^flr^-^-
^ ^/~~--^r^
l-? ^AJW^-
^ ^^: ft
^r
; ^yyjAyf
^^-V^ -^ -'"""' 'L *
o
NV
^8;i
^ 2S
SPECIES
Zm
Rm
MS
Ppf
Ppc
ZP
N
EC
va
Tn
U
Zi'stera manna (eelgrass)
Ruppia martitma (widgeon grass)
Mynophyttum sptcarurn (Eurasian watermiltoilj
Potamogetonptrfoliaius (redhead- grass)
Poiatnogeton ptctinatus
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
UNITED STATES
CFPAFUMEl-T OF THE AR
CORPS OF ENGINEERS
SUBMERGED AQUATIC VEGETATION
SOUTH RiVER QUADRANGLE
MARYLAND ANNt AftUN DEL CO
73 MINUTE SERIFS ^TOPOGRAPHIC)
r'/ y
1987
\
SPECIES
2m
Rm
Ms
Ppf
Ppc
Zp
N
EC
Va
Tn
U
Zoslera manna (eelgrass]
Kuppiamantuna (widgeon grass)
Wynophyttum spicatum (Eurasian watermiltoil)
Poiamogeionperfoliatiu (red head- grass)
Potamo%eion pectinants (sago pondweed)
Zanmchellia palusms (horned pondweed)
Najas spp (naiad)
Lkidfo canodensu (common elodea)
Valhsnena americana (wild cetery)
7 rapa natani (water chestnut)
Unknown species composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
HydrMavernallma (hydnlla)
Heteranlhera duiria (water Slargrass)
/"oiumvgeion crispia (curly pondweed)
OralopWton **am, (coor,B,l)
Poiamogeton pusiltus (slender pondweed)
\ajas guodalupensis (southern naiad)
«aja,gracrll,™(ra»cl)
Charasp (muskgrass]
Najaj minor (slender naiad)
SCALE 1 24 C
5 a
SURVEY STATIONS
• MD Charter Boat Field Survey
0 Citizens Field Observatio
A VIMS Field Survey
• USGS &NVCC Sur\-
00
1 MILE
1 KILOMETER
^
ey
DATE FLOWN %
8-11-87 "-'A,,
SOUTH RIVER,
MD
030
133
-------
'^ UNITED STATES
•\>V DEPARTMENT OF THE INTERIOR
*> . GEOLOGICAL SURVEY
UNITED STATES
DEPARTMENT OF THE ABM
CORPS OF ENGINEERS
~^
^l^VN©«
ANNAPOLIS QUADRANGLE
M*,RYU»NO
73 MIMUTE SERIES (TOPOORAPHIC)
SUBMERGED AQUATIC VEGETATION -1987
;***--«
Rm f uppia mantima (widgeon grass)
Ms Myriophyllum spicatum (Eurasian waterm
Ppf F otamogeion perfohaius (red head- grass)
PpC Potamogeion pecnnatus (sago pondweed)
Zp Ziinnichelliapalusrns (horned pondweed)
N \ajasspp (naiad)
EC E\odea cattadtnsis (common elociea)
Va Vzllivnena americana (wild celery)
Tn T.-apa ruiwns (water chestnutl
U Unknown species composition
IKOOI FEET If! 2' JO 'II ~~ '" '" ''
SPECIES
Hv ilydriliavemaltata (hycnlla)
Hd Heterarahera dubia (wal ?r siargrass)
toil) Per Posamagetnn cnspus (cu 1y pondweed)
Cd Ceratophyltum demurs wi (coontailj
Ppu Poiamngeton pusillus (sh)nder pondweed)
Ngu Najas guadaluperui* (so jfhern naiad)
Ngr Najas xracilhma (naiad)
i " ^ ^ JM ._
SURVEY STATIONS
• MD Charter Boat Field Survey
9 Citizens Field Observation
A VIMS Field Survey
A USGS&NVCC Survey
Nm Najas minor (slender na ad)
SCALE 1 24,000
ISO 1MILE
5 °
TKILOMETtR
" .
DATE"FLOWN
8-11-87
ANNAPOLIS,
MD
031
• US s"°T°fiN*5|fD|HFS °V8S!
134
-------
SUBMERGED AQUATIC VEGETATION-1987
t
•~r
SPECIES
Zm
Rm
Ms
Ppf
Ppc
ZP
N
EC
Va
Tn
U
Zosiera manna (eelgrass)
Ruppia maniima (widgeon grass)
Mynophyllumspicaium (Eurasian watermilloil)
Poiamogeton perfoliants (redhead- grass)
Potamageton pecnnatus (sago pondweed)
Zannichfllia paiustris (horned pondweed)
Najasspp (naiad)
Elodea canadtnsu |common elodea)
Vatlunenaamencana [wild celery)
Trapa natara (water chestnut)
Unknown species composition
Hv
Hd
Per
CO
Ppu
Ngu
Ngr
C
Nm
Hydrttta vtr
Heteranlher
Foumogeto
LerowhyU
Pouunogtio
nallaia (hydnlla)
a dubia (water star grass)
•t cnsptu (curly pondweed)
puiillus (sler«j9r pondweed)
No/as guadalupensis (southern naiad)
Nujcu graciliima (naiad)
Chora up (n
Najai minor
nuskgraas)
(slender naiad)
SCALE 1 24 C
i S o
SURVEY STATIONS
• MD Charter Boat Field Survey
0 Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC Survey
00
1 KILOMETER
DATE FLOWN
8-1 1 -87
KENT ISLAND,
MD
032
135
-------
>t> UNITED STATES
•\*, DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
QJEENSTOWN QUADRANGLE
75 MINUTE SERIES (TOPOGRAPHIC!
SUBMERGED AQUATIC VEGETATION-1987
-
SPECIES
Zm Zosttra manna (eeigrass)
Rm Kuppta montuna (widgeon grass)
Ms MynophyUumwcatw* (Eurasian wtfermHort)
Ppf Potamogetonperfoltaaa (redhead-graas)
PpC Potamogeton pecnnanu (sago pondweed)
Zp ZannicMhapalwiru (homed pondweed)
N Najtuspp (naiad)
EC Elodea canadensu (common elodea)
Va Vallanena amencana (wild celery)
Tn Trapa nataia (water chestnut)
U Unknown species composition
"- "•"
Hv Hydritia vemciUaia (hydnlla)
~ld HtteraniHera dubta (water stargrass)
Per PotamogtKMcnspis (curly pondweed)
Cd CeralophyUumdemtnum (coontail)
Ppu Potamogetonpiuillu (slender pondweed)
Ngu Najas guadalupensis [southern naiad)
Ngr N^grooll^^^ad)
C Chora sp (muskgrass)
Nm Hajas minor (slencer naiad)
SCALE 1 24
1 S 0
r,*-rc tartu/M
SURVEY STATIONS
• MD Charter Boat Field Survey
0 Citizens Field Observation
A VIMS Field Survey
A USGS&NVCC Survey
~
00
1 KILOMETER
8-11-87
QUEENSTOWN,
MD
033
PB0,OR',"1,0 ....
136
-------
'< UNITED STATES
~"Q D<-:pARTMK:NT Of THE INI ERiuk
-•- GEOLOGICAL SLJRVtY
SUBMERGED AQUATIC VEGETATION-1987
SPECIES
Zm Zoitera manna (eelgrass)
Rm Ruppia mariuma (widgeon grass)
Ms Mynophyllum spicaium (Eurasian watermilfoH)
Ppf Potatnogttonperfoiiatus (fed head-grass)
PpC Poiamvgeion peuinanu (sago ponOweed)
Zp Zanmchelliapalustrts (horned pondweed)
N Najtuspp (naiad)
EC Elodea canadeasu (common elodea)
Va Valhsnena americana (wild celery)
Tn Trapa naians (water chestnut)
U Unknown speaes composition
Hv Hydriila vtrticilloia (hydnlla)
Hd Heitranthera ttubia (water stargrass)
Ppu Poiamogeianpusilius (slender pondweefl)
Ngu Najas guadalupensu (southern naiad)
Ngr Najas graciitirna (naiad)
C Chora sp (muskgrass)
Nm Najas minor (slender naiad)
SURVEY STATIONS
MD Charter Boat Field Survey
A VIMS Field Survey
A USGSS.NVCC Survey
SCALE 1 24 000
DATE FLOWN
9-2-87
ALEXANDRIA,
VA-DC-MD
034
137
-------
JNITFD S
DEPARTMENT OF
GE01_OGiCA,_
SUBMERGED AQUATIC VEGETATION-1987
SPECIES
Zm
Rm
Ms
Ppf
Ppc
ZP
N
EC
Va
Tn
U
Zon.ro «,
Kuppia mar
Mynophyll
Potmogcto
Pouanogeic
ina (eelgrass)
uma (widgeon grass)
tmspicatum (Eurasian water mi If oil)
n perjbliuius (tedhead-grass)
npeainatus (sago pondweed}
Zaniuchelliapalustns (horned pondweed)
Najas spp
Eiodea cam
Vallaiena
Trapa nala
Unknown
naiad)
idensis (common elodea)
amencana (wild celery)
LI (water chestnut)
pecies composition
Hv Hydnltaveruciltata (hydnlla,
Hd Heseranihera dabia (water stargrass)
Per Potamogetan cwpus (curty psndweed)
Cd CertBopkytfum^mcriumtcoarta.!!
Ppu Potamogeianpusilius (slend* r pondweed)
NgU j\ayoj guaiiaiupensis (southe n naiad)
Ngr Najas gractttimo (naiad)
C Chora sp (muskgrass)
Nm Najas minor (slender naiad)
SCALE 1 24 0
, 5 a
SURVEY STATIONS
• MD Charter Boat Field Survey
0 C'tizens Field Observation
A VIMS Field Survey
«l)SGS &NVCC Survey
00
DATE FLOWN
8-11-87
DEALE,
MD
035
138
-------
SUBMERGED AQUATIC VEGETATION-1987
SPECIES
Zm
Rm
Ms
Ppl
Ppc
ZP
N
EC
Va
Tn
U
Zoa™™,,™ (Harass)
Kuppta mannma (widgeon grass)
Mynophyllum splcaltan (Eurasian watermlltoil)
Potamvgetonperfotuuus (redhead-grass)
Poiamogeion pecnnatus (sago pondweed)
Zanruchellin paliulris (horned pondweed)
Mww (naiad)
Eloaea lanadtnsu (common elodea)
Valllsnena americana (wild celery)
7>a/M nalans (waler cheslnul)
Unknown species composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Hydrilla vemctllata (hydnlla)
Heteranthera dubm
Pomoseu,m,p*,
water stargrass)
(curly pondweed)
Ceratophyllumdemersum (coonlail)
Poiomogeio'ipu.vUui
NOJOS guodolupeiuis
Najos gracilltma (na
Chora sp (muskgra.
(slender pondweed)
(southern naiad)
ad)
s)
SURVEY STATIONS
• MD Charter Boat Ft
Id Survey
f Citizens Field Observation
A VIMS Field Survey
•USGS&NVCC
Survey
Najas minor (slender naiad)
SCALE 1 24 C
1 5 D
1 5 °.
100
1 "ILF
rw.OWrEft
_BRm,p.^i(
DATE FLOWN .>.
8-11-87
CLAIBORNE,
MD
036
139
-------
UNnTU STA' LS
DCPAKTMLNr OF THE N'L
GEOLOGICAL SURVEY
SUBMERGED AQUATIC
'VEGETATION-1987
Zm
Ms
Ppl
Ppc
ZP
N
EC
Va
Tn
U
-••:;;•
Zdler
Rltppl
Mvno
Pi'tam
F<'lam
Zanm
„,„,
"*
a marina (eelgrass)
ogeton perfo
ogeioa pectin
kibapobar
S
k
grass)
rasian waterm
atus (redhead-grass)
aim (sago pondweed)
s (horn
Ni'jasspp [naiad)
Vallis
Jrlpa
Unkn
natata (wate
jwn species
ed pondweed)
n elodea)
ta (wild celery)
chestnut)
•>- x -> . » > A'-ii'u*^"
*'-•- - , ' • '. ,- x -- %/ .
!.„ 3, ^, !.,. ^ ., - - ,ft
SPECIES
HV Hydrilla verlicillala (Mydr Ha)
Hd Heieranhera dubw (water stargrass) (
toil) Per P,jKimog?wnmipui(Cury pondwaad) i B
Ppu PotamogetonpusMus (sleTder pondweed)
Ngu Najai guailalufifnsis (soulhern naiad) A
Ngr Najas graciliima (naiad) »
C Charasp (muskgrass) ™
Nm Voyoj minor (slender nai Id)
SCALE 1 24 000
5 0 1 KILC
'
'
SURVEY STATIONS
UD Charter Boat Field Survey
Citizens Field Observation
VIMS Field Survey
USGS
Merefl
& N V C C Survey
DATE FLOWN .
8-11-87';-
ST. MICHAELS,
MD
037
^.o,,,,,1,",;, „_,,.»_
140
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
SUBMERGED AQUATIC VEGETATION
SPECIES
Zm
Rm
Ms
Ppl
Ppc
Zp
N
EC
Va
Tn
U
Zo,«™™r
Ruppia mart
Mynophyllui
p«™s,»
M (eelgr
ima(wid
m tpt
-------
OUNT VERNON QUADRANGLE
AHV.MS ^-'"V'r
T /,
Hv,Ms,Cd
•f\'lj Vtf"i
—-TH-''"^.1,!:
'~*s=, "X/i1.1
M^,Ws' \ 7'^f"?/-i;
-a -""' - ' \ '.; % t ,
fi'"*^i4^7 -'~-^
'^'•>'/' ' * : '&i "^i''?
'.A&wp&mg-^*'~,-^~ >•.
SUBMERGED AQUATIC VEGETATION-1987
SPECIES
Zm
Rm
Ms
Ppf
Ppc
zp
N
EC
Va
Tn
U
Z^M^r^ieelgra.
fli^pw mannma (widg
MynopM^Jp'^rum
/-womogew^/jto/wni,
P jiamoge Kin pecttnnnu
ss)
son grass]
(Eurasian watermiltoil)
(red he ad- grass)
(sago pondweed)
ZuMtlKtaapatonn, (horned pondweed)
iVq/oj jpp (naiad)
Eiodea canaderais (common elodea)
Vulhsnena americana (
Tiapa naians (water ch
wild celery)
estnut)
Unknown species composition
Hv Hydrtlla vemcillara (riydillaj
Hd Heurunshem dubia (watnr Stargrass)
Per Potantogeton i nspia (cuily pondweed)
Cd Ceraiophyllumdemersum (COOnlail)
Ppu Putamoxetonpusillus (sit nOer pondweed)
Ngu Nfyas guadatupfnsis (soi them naiad)
Ngr fra/as$ra,illima (naiad)
C ( hara tp (muskgrass)
Nm Naja!: minvr (slender naud)
SCALE 1 24 0
1 5 0
5 0
SURVEY STATIONS
• MD Charier Boat Field Survey
^ Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC Survey
00
1 KILOMETER
DATE FLOWN '
MT. VERNON,
VA-MD
040
142
-------
SUBMERGED AQUATIC VEGETATION -1987
Rm
Ms
Ppl
Ppc
Zp
N
EC
Va
Tn
U
SPECIES
Zoziera manna (eelgrass) Hv
Ruppia mantima (widgeon grass) Hd
Myriophyilumwca
fo lamog elonperfo
Potamogeton pectin
/annichellta palusi
Najasspp (naiad)
Flndea c anode is 'u
Vallisitena america
Trapa natans (wate
Unknown species
um (Eurasian watermilloil)
atus( redhead-grass)
a/iu(sago pondweed)
s (horned pondweed)
common elodeaj
na (wild celery)
chestnut)
compoS,,on
Per
Cd
Ppu
Ngu
Ngr
C
Mm
Manila jertiLillata (hydnlla)
Heteramhem dutita (water stargrass) ^
foiamu^eion crispus (curly pondweed)
Leraiopfyllumdernenitm (coonlail)
Potamugeionpasillus (slender pondweedl
Najas KuudalupenM (southern naiad)
•
0
A
Najas gtactllima (naiad) *
Charasp (muskgrass] '
Najiit minor (slendsr naiad)
SCALE 1 24 000
* 0 1 KILO.
SURVEY STATIONS
MD Charier Boat Field Survey
Citizens Field Observation
VIMS Field Survey
USGS &NVCC Survey
1 UILF
,,,„
NORTH BEACH,
MD
042
143
-------
SUBMERGED AQUATIC
VEGETATION-1987
<
T \ i-8|Rm ^-' ) -j j ,''J"~~"\ ""•-, ,'', A"M,,ib.,
s ;^1 C^/iM)^^
i ' 'U*
/^;
*Ground truth provided by Court Stevenson of
University of Maryland, Horn Point Laboratory
SPECIES
Zm
Rm
Ms
Ppf
Ppc
Zp
N
EC
Va
Jn
U
Zoaera manna (eelgrass)
Kuppia manama (wi
MynophyUutnspicai
Poiamageton perfoli
geon grass)
an (Eurasian water mi [foil)
tin (redhead-grass)
Pofmogtton pectinatus (sago pondweed)
Zanmcheiiiapalustns (horned pondweed)
NOJIU spp (naiad)
Eloiiea canadensis (c
Valiisnena american.
Trapa naians (water
ammon elodea)
a (wild celery)
chestnut)
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Unknown species composition
Hydntla verncillata (nydnl a)
Heieramhera dutna (water stargrass)
PommoKeioncn\pus (curly pondweed)
Ceratophyllumdemersum (<;oontail)
Poiamogeionpusillus (slen jer pondweed)
Najas guodalupensis (southern naiad)
Najas gruallima (naiad)
Chora sp (muskgrass)
Najasnu nor (slender naia-J)
SCALE 1 24 C
1 5 0
SURVEY STATIONS
• MD Charter Boat Field Survey
t Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC Survey
00
1 KILOMETER
DATE FLOWN
8-11-87
TILGHMAN,
MD
043
144
-------
'JNl LL SI A FE'
*"\ *. \V\-\ l -^ (, ? ^*Grou^4^h &^)Vfded by Court Steve^on of V '
SUBMERGED AQUATIcVEGETATlbN-1987 c " t
SPECIES
Zrn
Rm
Ms
Ppl
Ppc
Zp
N
Va
U
z,u,OT«™(eelgrass!
Ku/jpia marmma (widgeon grdss)
M,™Pk>talp,c«,», (Eurasian «aierr»U)
Patanutgfion perf»hatus (redhead-grass)
Putamo%tion pecisnatus (sago ponOweed)
Zannit hellia paluxtns (horned pondweed)
Vjyai s/ip (naiad)
E/D^eu i.anoden.'.H (common elodea)
Irapa naiuru (water chestnut)
Unknown species composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
Nm
H\drtttaver
HeterantheT
S'viamngeto
Ceratophyth
Poiamngeio
altatu (hydnlla)
dul»a (water siargrass)
('•upus (curly pondweed)
mdemenum (coontail)
piuillui (slender pondweed)
Najos guadatupensis (soultwn naiad)
^a/M ifriicit
(haraw (rr
Vuyaj mwr
mi (naiad)
uskgrass)
slender naiad)
SCALE 1 24
i -s a
5 0
SURVEY STATIONS
. • MD Charier Boat Field Survey
£ Citizens Field Observation
A VIMS Field Survey
A USGS&NVCC Survey
"
00
•MIL:
, KI.OME-W
DATE FLOWN
8-11-87
OXFORD,
MD
044
145
-------
UN,1LD STA TEb
TMLNr ••> THL INI
UEOlOLnCAL SURVEY
TRAPPE QUADRANGLE
5 MINUTE SERIES (TOP
*by .SUBMERGED AQUATIC VEGETATION-1987 x
C- •"•
' > ;
~ - *zp /
\.K,, y
^
I f~
n —
Rrtl Rupptama
^\ "'>-,
( "~ -~z *-
* // \
?r"\ ' y
w «
nna (eelgrass)
yi/ifw (widgeon grass)
Ms MywpWlwspww (Eurasian waterm,
Ppt Potamogeion perfoliatus (red head- grass)
PpC Potamoge
Zp Zannickell
N Vajtu jpp
EC £/o^ea capa na(j
U Unknown
on pec.anatus (sago pondweed)
apalustru (horned pondweed)
(naiad)
wdenJii (common elodea)
amencana (wild celery)
fit (water chestnut)
species composition
•v_ - - .' ./ ^ f ^.j ^^- j / .X^SA N ,- -^,i
t •- ' , ' \ i •-, -, / > ^ _,f \ , /' \ \\ \ •/ ,
•T \ v\ x^0^ - X-N / ^ V-^-^s* ! \' ^
' ... / r Nv r >'--:\y *-^ -. V^v
^^ , ,- • ! - -:-vC" " ^^-'fr • '^ -^'\ / Vn~
" ••--'" / •'" ) B " I- ' tvv - -; ; - '
, ..:/"£**:/ s-V , ,...Lf... ;v. «>^ " ..' ^' -X-:
SPECIES
riv «,*,«„ .^^Mhy*.,) SURVEY STATIONS
Hd Heieranlheradubia (water itargrass)
loil) Per pxuwtii^cnvialcuilypondweMi 1 • MD Charter Boat Field Survey
Cd &™.PW'™*™»(coon.ail) ^ Citizens F.eld Observation
Ppu Potamageion pusillus (slender pondweed)
Ngu Najas guadalupensis (soufrern naiad) A VIMS Field Survey
Ngr N,la, ima,™ (naiad) A usQSSNVCCSurvey
C Charusp (muskgrass) *
Nm Najas minor (slender natac)
SCALE 1 24 000
1 5 0 IK.LOMETEH
r -^/^-' --*tIL,
"™V "" —f^"
DATE FLOWN ^
9-1-87 "i
TRAPPE,
MD
045
hiHOTOF,E9vil^[U 1Q.a
146
-------
i;v UNITED STATES
\ DEPARTMENT OF THE INTERIOR 1
GEOLOGICAL SURVEY
<- ,
w.
SUBMERGED AQUATIC VEGETATION - 1 987
' ~-
SPECIES
Zm
Rm
Ms
Ppf
Ppc
ZP
N
EC
Va
Tn
U
tosurewMfrrtgnas)
Ruppia marinma (widgeon grass)
Myr lophyttum sptcatum (Eurasian watermilfoit)
Patamof'eton perfoiiatus (redhead-grass)
Potamogeton pecnnatus (sago pondweed)
Zantuchellia palustns (horned pondweedj
Najas spp (naiad)
Elodea canadensis (common elodea)
Vallisnena americana (wild celery)
Irapa naians (water chestnut)
Unknown species composition
Hv HytiriOa veraallaia (hydnlla)
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Heter
mhera dubta (water stargrass)
Pouimogeton cnspus (curly pondweed)
teraifiphyHtandemersum (COOntail)
Patam
Najas
Naias
Chora
Najas
ogeton pusillm (slender pondweed)
giaulalufif/isis (southern naiad)
gracillima (naiad)
sp (mushgrass)
minor (slender naiad)
SCALE 1 24 0
1 S 0
SURVEY STATIONS
• MD Charter Boat Field Survey
0 Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC Survey
00
1 MILE
• WtflMETEB
DATE FLOWN
9-25-87
QUANTICO,
VA-MD
047
147
-------
INDIAN HEAD QUADRANGLE
MARYLAND-VIRGINIA
5 MINUTE SERIES
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
SUBMERGED AQUATIC VEGETATION -1987
SPECIES
Zm
Rm
Ms
Ppf
Ppc
zp
N
ec
Va
Tn
U
Zosiera me
Ruppiama
Myrwphy*
mna (ael grass)
fauna (widgeon grass)
urn spicatum (Eurasian waiermiltoil)
Pouanogeton perfoiiaius (redhead-grass)
Pommage
on peciinaius {sago pondweed)
Zanrachflliapalustns (homed pondweed)
Najas spp
Etodea car
VofJijnwifi
Trope no*
Unknown
(naiad)
tadensis (common elodea)
tantncana {wild celery)
\m (water cnestnut)
speoes composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Mm
Hydnilav«mc\llata (hydnll.i)
Heteraruhera dubia (water star grass)
Potamogeton cnspus {curly oondweed)
C,mph,U^a,^,^ (coonlail)
Potamogeionpusillus (slenc er pondweed}
My« guadatupensu (south jrn na«d)
Wayiii sraci//ima (naiad)
Charasp (muskgrass)
Nnjm minor {slander naiac)
SCALE 1 24,
r=
SURVEY STATIONS
• MD Charier Boat Field Survey
t Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC Survey
00
1 KILOMETER
DATE FLOWN -<.
9-25-87 \
INDIAN HEAD, \
MD-VA
048
148
-------
SUBMERGED AQUATIC VEGETATION-1987
!-'•
*«*
• Ppc
-^, - --;• . \ - , , ^ ,"'.„" , * c:^ \f «—.- —
• ' • V~ , , . -'. ,, ; •/', _, - . i - ~- y*
-''-"; V; 'y'-V7~^-^ ' ' ' ', ' „ ; /' •>-.
~^'--~— — •^s^^__ • - • . _ ^ /^S^^.^
' V , ° " ""^r - , "*"«"* "'" oi "' "4 Jr ~-^-~^_
" '"- \^ ' .7-1 ' ^ ^~^
V ^ 4? »AA2
; - ''-"' " V: . -\ t
\ . ^ - . *~"~' \ * - HM
SPECIES
Zm Zoi«raminiu(Mlgrass) Hv Wnlto mranllaa (hydnlla) SURVEY STATIONS
Rm Kuppia marmma (widgeon grass) Hd Hettranlhtra dubia (water stargrass)
Ms Mynerlvllumirta**< (Eurasian vntemifoii) Per foamo^en ™MU (curly pondvned! I • MD Chanet Boat Field Survey
Ppl po-TO!««,,p«*l,<,,»,(,rth.ad.grass) Cd C,™«,PV'«™ *~»». ("o*«l) ' ^ C.tizens Field Observation
Ppc Powmogeron pecrimiHw (sago pondwee<]) Ppu PotamogeionpusMus (slender pondweed)
Zp Zanmchelliapalustris (horned pondweea) Ngu Najas guadalupensu (southern naiad) A VIMS Field Survey
N »„„,„,(„,,«!) Ngr ^m,raa»,™,(na,aa) . U S G S * N V C C Survey
EC Elodea canadensis (common elodea) C Chara sp (muskgrass) ~
Va Valliinena americaita (wild celery) Nm Najas minor (slender naiad)
SCALE 1 24,000
Tn Trapa naians (water chestnut) i s o i MILE
5 ° ' X'^TER
/ \ ;- ; xx
$ ' • " '
•' ,..,.. , " r
10-5-87
—BENEDICT,
MD
049
149
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
I GEOLOGICAL SURVEY
HUDSON QUADRANGLE ,
MARYLAND .•}>
7 i MINUTE SERIES ORTHOPHOTOMAP (TOPOGRAPHIC! f
, 0.0000 FiEI >f< 7tllf
* SAV beds verified by Court Stevenson of University of
. Maryland Horn Point Laboratory
SUBMERGED AQUATIC VEGETATION-1987
j?' SPECIES
2m Ztaura mariiti (Mtgrass)
Rm A^fMr«p>w(wkig*on gross)
Ms M3Tfe9%ttm jptoaam (Eurasian waWrmilloil)
Ppf Potamogttonpirfotiaau (redhead-grass)
PpC /><»mof<»ripccdNaiw(MOOpondwMd)
Zp ZaimlditOiapaluarit (hom*d pondwMd)
N N^jppM^J)
EC Elottto canadensis (common »lodM}
Va VaUbntHa oMHema (wW CV«ry)
Tn Trqv muant (wat«r ChMtnul)
U Unknown SO«C.M compovltlon
Hv Hydnita vtrticillata (hydrilla
Hd Heteronttera tbMa (water « vgrasa)
Per Potanogtion crispia (curly pondwwd)
Cd CtraiopHyUuntdtmenum (coontaH)
PpU />oft.mai«toiipiuWu (ilanckir pondwMd)
Ngu NQJOI guadaluptniii (K*M»™ mlmf)
Ngr N
-------
''\
WAR DEPARTMENT
CORPS OF ENGINEERS U S ARMY
CHURCH CREEK QUADRANGLE
7^ MINUTE SERIES
• * Ground truth provided by Court Stevenson of ^>
University 6f Marytand, Horn Pointjrffboj'atory^
SUBMERGED AQUATIC VEGETATION-1987
xr\\
^-,>, •N C H U, R C H
Zm Zosura manna (eelgraSS)
Rm Rupput maritima (Widgeon grass)
Ms MynophyUum spicatum (Eurasian water milfoil)
Ppf Poiatnogetonperfolianu (redhead-grass)
Ppc Poiamogtionptctinaius (sago pondweed)
Zp ZanrachelUapatusms (horned oondweed) .
N Najas spp (naiad)
EC Elodea canoderxu (common elodea)
Va Vallisntna americaaa (wild celary)
Tn Trapa naians (water chestnut)
U Unknown species composition
Hv Hydrilla vtrncillaia (hydnlla)
Hd Heieranthera duina (water stargrass)
Per Potomogeian cmpus (curly pondweed)
CQ Cfratophyttumdemersum (coontail)
PpU Potamogetnnpustttui (slender pondweed)
Ngu Najas guadaluperats (southern naiad)
Ngr Na;as graciliima (naiab)
C Chora sp (muskgrass)
Nm Najas minor (slender naiad)
SURVEY STATIONS
• MD Charter Boat Field Survey
t Citizens Field Observation
A VIMS Field Survey
A USGS&NVCC Survey
SCALE 1 24,000
DATES FLOWN
8-21-87.
9-1-87
CHURCH CREEK,
MD
052
151
-------
CAMBRIDGE UUADRANGLL
* ZD VV/^ •/" rf " V'\\,v *° *-
p X // ——•>""" ^ tt * Ground "ffoi^ra^ by CoitftStevf /—#\> W
: ' \.\J-'( "" /*••• l--\ Unlv^sitfomoryl^\|Hoj^intL<^^i54^j[ ,•"•* *•
SUBMERGED AQUATIC VEGETATION -1987
,xil/"J
-------
UNI I E.U bTATES
Vj DFPAhTMENT OF THE INI LklOK
V' CEOLOulCAL SURVL1!
I \~*&4\ \ * GrSund-truth provided'iw Coi|rt Sf«vfn3ln of f
University of^1 ary4pnd^fts^Mitj LuUui uIury ~r"y~ ~""
SUBMERGED AQUATIC VEGETATION-1987
SPECIES
Zm
Rm
Ms
Ppf
Ppc
Zp
N
EC
Va
Tn
U
Zostera manna (eefgrassi
Ruppta marinma
Myriophyllum sp
(Widgeon grass)
catum (Eurasian waiermiltoil)
Potonwgeton perfoltatus (redhead-grass)
Potantogeton pecunatus (sago pond weed)
Zannit.heltia pain
uir,s (horned pondweed)
Naiasspp (naiad|
Ehdea canadtra
Valhsnena amir
Trapa naians (w
Unknown spea
u (common elodea)
cana (wild celery)
iter chestnut)
es composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Mm
Hydrilla verticiUata (hydnlla)
Hettranthera dubia (water stargrass)
Poiamogeion crispus (curiy pondweed)
C.^pfty/^^^umfcooniaiO
Pountogetartptuillus (slender pondweed)
No/as %uadalupens\s (soutdern naiad)
Ar^wg^trmulnaad)
Chora sp (muskgrass)
Najas minor (slender natad)
SCALE 1 24 C
I 5 0
SURVEY STATIONS
H MD Charter Boat Field Survey
£ Citizens Reid Observation
A VIMS Field Survey
• USGS &NVCC Survey
00
1 KILOMETER
DATE FLOWN
9-1-87
EAST NEW
MARKET, MD
054
153
-------
% ";.:„;„/• ^ •
AQUATIC VEGETATION-1987
:^W^^jff^
'l;/'fe:w^"?^f^^
?rf^ ""'^' Y^iMl^' '
,- -7'.- ,,^t- - • V ^\i(ir , ,,
S;_ .^,''"<;• li: '• .'•••:.$*' - >\
^ME'-'^TT t'" "t
•^ ^ • ~ ' - / * i - •;,• ix t \
x-\-JI:'-- ' /lir fr'^ "^. * "' *•/*- - f-
•^'•^ ^'^'i-^wf^ - ,'v1, -/;1" '. V*N- J ,,; %
/A;,;;' ^^V1' ^ ' ^ 7 ' '^ ^' '/" - \ V =V
SPECIES
Rm fiuppia mamma (widgeon grass) Hd liMrumheru tiutiia (vater slargtass)
Ppt Poiamojcron perfoliarus (redhsad gtassl Cd f era/fjphvJiiun dcmer urn (COoiVtail)
PpC Poiamoxe ten pecitnaius (sago pondweed) Ppu P Jtamftveitin pus //w slender pondweed)
Zp /LinmtfiE^itipuiussris (hofned pondw«eti) Ngu ,\v« jfumiiiupefiw southern naiad)
N Najasspp [naiad) Mgr A'o/iu i,'fat iHimJ (nai id)
EC Efodf a taiwdirniij (common elodea) C Chara \p (muskgrass)
Va Vullunenaamencartit (W'ld celery) Mm \ajai min.tr (slendei naiad)
SCALE 1 24
1
SURVEY STATIONS
• MD Charter Boat Field Survey
0 Citizens Field Observation
A VIMS Field Survey
A USGS&NVCC Survey
00
1 KILOMETER
\
', \
- -. - :N \ _• T
DATE FLOWN
9-25-87
WIDEWATER,
VA-MD
055
154
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
'-• GEOLOGICAL SURVEY
"^ v
SUBMERGED AQUATIC VEGETATION-
'< l '• ^'' -
Zm
Rm
Ms
Ppt
PfK
Zp
N
EC
Va
Tn
U
SPECIES
Ruppta marmma (widgeon grass)
Uym&ylhim sp,ca:wn (Eurasian watermilteil)
Poumnmpafolav (rwhead-grass)
Foiamogeionpeciinatiu (sago pondweed)
ZoiuacheUiapattairu (horned pondweed)
Najas jpp (naiad)
Valtisneria amencana (wild celery)
Trapa ntuans (water cnestnut)
Unknown species composition
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Heteramher
Poiamogeto
Ceraiophyll
Potamagtlo
ic(tewjhydn||a}
a dubia (water star grass)
tempos (curly pondweed)
undemersum (coontail)
pusiilus (slender pondweed)
Najas guadalupensis (soutfiern naiad}
•
SURVEY STATIC
«jS
MD Charter Boat Field Survey
0 Citizens Field Observation
A
Najas qracitltma (naiad) *
Charasp (muskgrass) *
Najos minor
(slender naiad)
SCALE 1 24 000
60 1KUM
VIMS Field Survey
USGS &NVCC
.MILE
I*
Survey
DATE FLOWN
9-25-87
NANJEMOY,
MD
056
155
-------
LN1TED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
SUBMERGED AQUATIC VEGETATION-
f
! '
^
i
' /"•'•
'/.,.'•;.
SPECIES
Zm Zostera manna (eelgrass) Hv Hydntlo vemciiiaia ( tiybnlla)
Rm Rupput marinma (widgeon grass) Hd Heteranthfa dubia ( ivaler stargrass)
Ms Mynophylium spicatum (Eurasian watermilloil) Per Potanuigeton crispui (curly pondweed)
Ppf Potamogeton perfoliauu (red head-grass) Cd Ceraiopkytlumdeme sum (coontail)
Ppc Potamogeton pecaruJius (sago pondweed) Ppu I'uutmageton pusillu, (slender pond weeO)
Zp 2aruucMlia palusms (horned portOweecJ) Ngu No/as guadaluptnsu (soulhern naiad)
N Nqas spp (naiad) Ngr Na;as gracilhma (na ad)
EC Elodea canadeniu ^common elodea) C Chora jp (muskgra^)
Va Vallisnena americana (wild celery) Nm frajas mnnr (slender naiad)
SCALE 1 24
\ D Trapa natanx (water chestnut) i 5 o
II llnkniwn r|in-m'- Tmnr' linn
1 5 0
THiAS POINT ^XV
\
-„
SURVEY STATIONS
• MD Charier Boat Field Survey
£ Citizens Field Observation
A VIMS Field Survey
A USGS&NVCC Survey
00
1 MILE
1 KILOMETER
•'SL
»
\
•- -:VA2
" ,"" jH. _^. .;
,„ "]a
DATES FLOWN '
9-25-87 '•
10-5-87
MATHIAS POINT,
MD-VA
057
156
-------
SPECIES
Zrn Zostera marina (eelgrass) Hv Hydrilla vfrtiallaia (hydnlla)
Rm Ruppia mantima (widgeon grass) Hd Hetfrantkeradubia (water stargrass)
Ms Mvnaphyltumsmcaium (Eurasian watfirmiltoil) Per Paiamogeion crispus (Curly pondweed)
Ppf Pviamugeionperfoliaius(
-------
UNITtD STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
^'S^^ AQUATIC VEGETATION • 1987 i
^%^^fS^^v-"••-"'' ''-**"•• -
V/# ^ $ ^r^t *&f)}{ n
P> ,^/.rnrnj";n^^n^7 ^v/JJ^A^ • V-;yi
i<:^<^s^'^^yVL%ifi7 , - •
(K>^X >^i^r^v ^J/ ,.../»..." - ^
^^^i^ ,^~'^/^ \Vv1j~^C "^ -^f^5 r--, - " v.
.£,«. ^~^~'*^ -V/ ^^^A^-^n^-C v5l',4rv r^ ,?
:y^'V <--«' ~*>i ?>yx~.~ -^r-i^--irn> ,;-•,' ~, ......
;'i^^<^^V^'t^^^/^V^ U.^ '»""."
^^^>^l^-^^H'^^ ,,^$r^ •
^*.&:^^^ ^^r.
4sMl^?fM^>iv^ i^f A
KNU/KS ^ i^%^)V.,i^-%.^^^'^"r'UC ' (,,;••
AA2|
• ?PC
•Ppo..,,,.
•^C ^K::, \^^&%'$Z V^^KpJ5 ' ^^S^^g^f^^ - J^ -
r^^-o*-" • -A' rOVr^'^'^^^f'^^i" ' 'iA ' ^^/^.^T^i^V ' ^-?K x
; ^gt<$V\ :>*fex4^.^^P®^.1ffe( .
-^jfete" i;: "^Kai §'^i«f:?
'^J'^Afl ,r- V ^:^^ ,.^^^,^ ^^^^-W^^
f,,\ /Ac \,{ > ,x ^ ' ^' x _-^ _ \7--' ' \ ', f^jKra** , ', \ .-i^*-/;' ! . '-\ ,. ^TO-^S iC^s? v fi/TV1 r- >/ / \(~^-\ ^.^ r
'"Sy'.i-'lvV^^'^i ' /,;%;Jif^'-^-x^t:^vr:
^-.M,i^7-'^} u> V-; , ,'•*'' '•>' "-, ^ o ~"J
^^v^s1*''^ ^-/^f;-r/r^
-^ jr-':-- .^t 4 ""-•^1 c-.V! --vv^ ^ '-
'• ?~ f^--.-\^f Ks ( , x;f- . ^)>' •- , 'Yi ^..-^ '<:i
^A c~/ -v ^Vx\' .-' ,-,';•'••}-',\'-'\J/1-".-,'.'•) L
^
?^
i ru
cr- -^*.\;
~^\
r- ^
", \ "*rV ^»
r x" - '-
Zm Zoj-ie-u ffKwina (eelgrass)
Hrn Ruppia maniima (widgeon grass)
Ms Mynophyllum spicotum (Eurasian waterm
Ppf PoMmogefonperfoIwiits (redhead-gtass)
Ppc Potamogeton ptctiitarus (sago pondweed)
Zp Zanmchellia palusms (horned pondweed)
N Najasspp (naiad)
EC Elodea canadensis (common elodea)
Va Vallistenaameru:0na{'wi]d celery)
Tn Trapa narans (water chestnul)
U Unknown species composition
E'B, F ( ''
SPECIES
Hv
Hd
toil) Per
Cd
Ppu
Ngu
Ngr
C
Nm
TL "~ ^ -"-' / , ' ^
Hydrilla vemctllaia (hydnlla
Hfteranihera dubia (water siargrass)
Paiamogeton cnspus (curiy pondweed)
teraioptyttumderntrsum (cCDrtail)
Pntamogeion pusitlus (slend<:r pondweed)
Now gua&lupen*'* (southe'n naiad)
hajas gracillima (naiad)
Charasp (muskgrass)
/Vajoi minor (slender naiad)
SCALE 1 24,
1 5 0
.r~ ' .-^ \ .- '.-:'%- :;^ ° fr.
SURVEY STATIONS
• MO Charter Boat Field Survey
£ Citizens Field Observation
A VMS Field Survey
• USGS &NVCC Survey
00
IHlLE
, KILOMETER
MECHANIC
-,'"°'°™a
-f-
DATE FLOWN
10-5-87
SVILLE,
MD
059
158
-------
Zm
Rm
Ms
Ppf
Ppc
ZP
N
EC
Va
Tn
U
Zosiera ma
Ruppiamar
SPECIES
ina (ealgrass) Hv
uma (widgeon grass) Hd
Myriophyllum spicat
PC
PC
La
Nc
Ek
Va
Tr
U
Uvnogeto
lamogeio
Muchettu
jasspp
nperfoli
n pecttna
paliairt
na^d)
idea canadensis (<.
Ilisnena
ipa naiar
merican
u (water
known species
\an (Eurasian watermilfoil)
uui (red head- grass)
riii (sago pondweed!
(horned pondweed)
ommon e lode a)
a (wild celery)
Chestnut)
•om position
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Hydnlla veracillata (hydnlla)
Heieramhera dubia (water stargrass]
Poiai
SURVEY STATIONS
wgew* crisp* (curly pondweed) i • MD Charter Boat Field Survey
Ceratophylliundemersum (coOntail)
Poiamogeionpusillus (slender pondweed)
Naja.
Naja.
Char
pjajii
guadaiupensis (southern naiad)
graciUima (naiad)
asp (muskgrass)
minor (slender naiad|
SCALE 1 24,0
, I 0
£ Citizens Field Observation
A VIMS Field Survey
• USGS SNVCC Survey
00
1 KILOMETER
DATE FLOWN
10-5-87
BROOMES
ISLAND, MD
060
159
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
COVE POINT QUADRANGLE
MARYLAND
7 5 MINUTE SERIES (TOPOGRAPHIC)
SUBMERGED AQUATIC VEGETATION -1987
SPECIES
Zm
Rm
Ms
Ppf
Ppc
ZP
N
EC
Va
Tn
U
Zi'Slera me
Ruppia ma
rina (eel grass)
rinmfl (w
Mfrwphytlum spica
Ogeon grass)
um (Eurasian water mi If oil)
Pviamogeton perfoliaau (redhead- grass}
Ptiaunoge
Zanrnchell
NIIJOS spp
Elodea car
VL thsnerm
Trapa nata
Unknown
on pectin
apalusir
(naiad)
anurica
m (wate
species
aius (sago pondweed)
s (horned pondweed)
commonelodea)
•w (wild celery)
chestnut)
composition
HV
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Hydnlia veruullata (hydnlla)
Heieranihera dubia (wattf Stargrass)
Potamogeion crispus (cury pondweed)
CerfliopftyKumdemerswrn (CQQrtaili
Potamogeion pusillus (slender pondweed)
Najas guadalupensts (southern naiad)
Na/as gractlhma (naiad)
Chora sp (muskgrass)
Najas miruir (slender nai id)
SCALE 1 24
5 0
SURVEY STATIONS
• MD Charter Boat Field Survey
• Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC Survey
00
1 MILE
• KILOMETER
DATE FLOWN' '•„
10-5-87 "%,
;;COVE POINT,
MD
061
COVE POINT, MD
160
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
TAYLORS ISLAND QUADRANGLE
MARYLAND
7 S MINUTE SERIES ORTHOPHOTOMAP (TOPOGRAPHIC).
SUBMERGED AQUATIC
VEGETATION-1987
jr —
Zm
Rm
Ms
Ppl
Ppc
Zp
N
EC
Va
Tn
U
o tic wi in
Zasun nvwM (aafcnss}
Hynopkfilmt Mpicanm (Eurasian watonraH
Potamageuttptrfotuaa (ndnaad-grass)
fMomotuo* jMemaew (aago pondwMd)
Zamtdttttiapaltufit (• onwd pondweed)
K«u>«T (naud)
CJoAtf coMrfwuu (common slodM)
VaBlMtna mtertcw (wUd caMMy)
L)nkoown,V.x^oompo«.on
« » -H '•* '»••« -— -*
SPtECIES
Hv H^iua vtruciUaia (hydnHa)
Hd Heuratahera duimi (water stargrass)
od) Per Potantogetonmipus (curly pondweed)
Cd C**-awpAyUum(fcn«rj«m (coontail)
PpU f-otamoget0H(HtiilIia(aten(}«rf)orrtw66d}
Ngu NtVfU iiim.Wup
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
GOLDEN HILL QUADRANGLE **
MARVLAND DORCHESTER CO fJT
^ S MIHUTE SERIES ORTHOPHOTOMAP (TOPOGRAPHIC) 0-'
*J!
SUBMERGED AQUATIC VEGETATION-1987
Zm
Hm
Ms
Ppl
Ppo
ZP
N
EC
Va
Tn
U
SPECIES
Zostera manna (eelgfass) Hv liydrilla vtntcillaia (hydnlla)
Ruppia mar lima (widgeon grass) Hd Heieranthtm dubia (water stargra &}
Mynophyttum spicatum (Eurasian watermiltoil) Per t'aiamogcion trtspus (curly pondw-iedj
Pouunogelo
nperfoluxus (red head-grass)
n pectinaiui (sago pondweed)
Zaruuchellu. palusini (horned pond weed)
Najasspp (naiad)
Elodea canadensts (common aljidea)
Vallisnerta umtncana (wild celely)
Trapa natans (water chest nU)
Unknown species composition
Cd <-fatc,phyllumdcmersum (COOfitail
Ppu t'otanujifeM'ipusillia (slender pon Jweedj
Ngu Najas guadaluptnsis (southern naiid)
SURVEY STATIONS
• MD Charter Boat Field Survey
• Citizens Field Observation
A VIMS Field Survey
Ngr Ww^a«™(na,aa) > U S G S 8 N V 0 C SU~ey
C thartitp (muskgrass) ™
Mm Najos minor (slender naiad]
SCALE 1 24 000
,
1 KILOMETER
10-5-87
GOLDEN HILL,
MD
063
162
-------
%^b UNITED STATES
V>, DEPARTMENT OF THE INTERIOR
**- I GEOLOGICAL SURVEY
KING GEORGE QUADRANGLE
* - N^A2
%a
SUBMERGED AQUATIC
VEGETATION-1987
SPECIES
Zm
Rm
Us
Ppf
Ppc
ZP
N
EC
Va
Tn
U
Zositra marina (eelgrass)
Ruppia rnanlirna (widgeon grass)
Mynaphyllumspicaium (Eurasian walermilfoil)
Poiamogeion perfokatus (redhead-grass)
Poiamogeion peainatus (sago pondweed)
Zaniuchelliapalusiris (horned pondweed)
Najaj spp (naiad)
f'lodea canadensa (common elodea)
Valksnenaamencana (wild celery)
Trapa natans (Water chestnut)
Unknown species composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Mm
Hytlriita \erncillata (hydnlla)
Hestramhera dubia (water StargraSS)
Potamogfion cnspus (curly pondweed)
Ceratopkyilamiiemersum (coonlail)
Poiamogeion pusillus (slender pondweed)
Najas xuada!i^>ensts (soulfiern naiad)
Najas gfociliifna (naiafl)
Cttarasp (muskgrass)
Najas minor (slender naiad)
SCALE 1 24 C
1 5 0
SURVEY STATIONS
• MD Charter Boat Field Sun
£ Citizens Field Observation
A VIMS Field Survey
/ey
A USGS&NVCC Survey
T
00
1 KILOMETER
DATE FLOWN %
9-25-87 J<
KING GEORGE,
VA-MD
065
163
-------
%£„ UNITED STATES
\,,\ DEPARTMENT OF THE INTERIOR
"^ GEOLOGICAL, SURVEY
COMMONWEALTH OF VIRGINIA
DIVISION OF M'NERAL RESOURCES
JAMES L CALVER STATE GEOLOGIST
'-* SUBMERGED AQUATIC VEGETATION-1987
^"^faf^'^l "~2~.'^~'-' - "'™1AS> "ol"T N£CK
^;, ^ ^^^^W^n-j),),!' v /•• • •• /; ' ~c^V/^W/-'V ^ -•"•
A
j^^-^^-^^-f;-5^ s .'V^V
^^W ^>*"^ ' - ^-r^ifi/r (^^A>> - ,-^:.,^0
>'> * WV'^rT; ;. r-^W A ^ i ^- ^^^, >
Jkv ^•"/:';;/-:- ^^-^^^fc^.^ ^r/'Kx^ /
,,,"^\ <' ^, ,--,,', >'" ' ':._ ^' :> '''"^ '\ -,_ \ .', ( ,"v" R N '' ' * \*iV ,,'.
"" ''^k'-""' .-^^"''r ;: ' ^-Ti
.i,-^^-*-r- -
'V^v'np;,^:,. c
,/'N: -' ^_',, ,i \ - '-•" (i
lv;i^Vj""\ '^ ' _,
!>'- --^::A.> •
H •-, :-•• \^'
- • . •- \^_ »,P),O
Rm
Ms
Ppf
Ppc
Zp
N
EC
Va
Tn
U
/,»™™
Mynophyll
folamogete
Potamogeto
/annichelli
.Vojttf spp
t'lodea cant
Valliineria
'rapa na:a
inn(ee
wspica
nperfol
n pecntii
SPECIES
grass] Hv
dgeon grass] Hd
am (Eurasian waierrnilfoil)
aim (red head -grass)
iias (sago pondweed)
palusins (horned pondweed)
naiaa)
idensis
amtrica
u (wate
Jn known species
common elodea)
TQ (wild celery!
chestnut)
composition
Per
Cd
Ppu
Ngu
Ngr
C
Nrn
"v*"'°"""n"°"' "ly"nlla| SURVEY STATIONS
Heterantheru dubta (wa er slargrass)
Poiamogeion cnspus (curly pondweed)
Ceratophyltumiiemeriwi (cooniail)
Potamogeton pus,iius (s ender pondweed)
Naja guaJaiupe'U" (Southern naiad]
•
0
A
-Vujiwgrac^mafnaiadi .
Cham sp jmuskgrass) ~
No/as minor (slender n nad)
SCALE 1 24 000
5 0 1 KILOMe
MD Charier Boat Field Survey
Citizens Field Observation
VIMS Field Survey
USGS &NVCC Survey
1 UfLE
TSB
' £m ~ ' "T
'DATE FLOWN
10-5-87
10-5-87
DAHLGREN
VA-MD
066
164
-------
SUBMERGED AQUATIC VEGETATION -1987
SPECIES
Zm
Rm
Ms
Ppf
Ppc
Zp
N
EC
Va
Tn
U
Zosiera
Kuppia
manna (eelgrassj
mamima (widgeon grass)
Myriophyiiufnspicatum (Eurasian watermiltoit!
Poiamc
Poiamc
geion perfohasus (red head -grass)
gttan pecunarus (sago pondweed)
Zanmchellia palustris (horned pondweedj
Najas s
Eiodea
Vatlisn,
Trapa
Unkno
pp (naiad)
canadensis (common elodea)
na amertcana |wjld celery)
uaans (water chestnut)
wn species composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
tiydrtlia ve
Heteranlhe
-iialla
a dub
a (hydnlla)
a (water stargrass)
Potamogeton crispuf (curty pondweed)
Cerawphvl
Poiamogeia
umde
npusi
Majas guadalupen
Na,as gracillsma
Charasp (
Najas mino
nuskg
Tiersum(COOntail)
las (slender pondweed)
sis (southern naiad)
naiad)
rass)
SURVEY STATIONS
• MD Charter Boat Field S
rvey
0 Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC Sur\
ey
(slender naiad)
SCALE 1 24 C
1 S 0
00
DATE FLOWN
10-5-87
COLONIAL BEACH
NORTH, VA-MD
067
165
-------
V-, UNITED STATES
*<-* DEPARTMENT OF THE INTERIOR
-------
UNITED STATLS
DEPARTMENT OF THE INTtRlOR
GEOLOGICAL SURVEY
SOLOMONS ISLAND QUADRANGLE
MARYLAND
7 5 MINUTE SERIFS (TOPOGRAPHIC)
SUBMERGED AQUATIC VEGETATION-1987
CHESAPEAKE
L AIR TEST CENT
ATUXENT R1VEB
SPECIES
Zm
Rm
Ms
Ppi
PPC
zp
N
EC
va
Tn
U
Zosieta manna (eetgrass)
Ruppia marnima (widgeon grass)
Myrlophyllumspicatiun (Eurasian wale f mi if oil]
Potcunvgetonperfoliatus (red head- grass)
Poinnwgewn pecunatus (sago pondweed)
Zanntchelha palustns (horned pondweeb)
Nat™ spp (naiad)
Elotiea canadeniu (Common elodea)
Vatlisnena omencona (wild celery)
Trapa natans (water chestnut)
Unknown species composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
HydrtUa veructltata (hydnlla)
Heier
nihera dubia (water stargrass)
foiafnogfion cnspiu (curiy pondweed)
Ceraiophyliumdemersum (coontail)
fotam
Najas
trgtionpusiltus (slender pondweed)
ttuadatupemis (southern naiad)
Najas granllima (naiad)
Chata sp (muskgrass)
Na/ai
minor (slender naiad)
SCALE T 24 C
1 S 0
SURVEY STATIONS
• MD Charter Boat Field Survey
0 Cilizens Field Observation
A VIMS Reid Survey
• USGS &NVCC Survey
'
TO
, KILOWTER
DATE FLOWN %.
10-5-87
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
. GEOLOGICAL SURVEY
BARREN ISLAND QUADRANGLE
M AH YUAN D ->V
S MINUTE SERIES OHTHOPHOTOMAP (TOPOGRAPHIC) /
SUBMERGED AQUATIC VEGETATION-1987
n
-s.
T
" j~
SPECIES
Zm
Rm
Ms
Ppl
Ppc
Zp
N
EC
Va
Tn
U
Zojtera marina (eelgrass)
Ruppla marlllma (*
M \naphyllum sptca
Fcum,i,unf,^l
Putamogeton peer in,
Zawchelhapalustr
Najas rpp (naiad)
dgeon grass)
um (Eurasian watermilfoil)
asus frsdhead-grass]
3iiii(sago pondweed)
s (horned pondvueed)
Elodea canadensis (common elodea)
Vallisneria amenca
Trapa naians (wate
Unknown species
ia (wild celery)
chestnut)
composition
Htf Hydrilla \-emcillata ('lydnlla)
Hd Heieranthera dubta (water slargrass)
Per pMwgttontnspus Curly pondweed)
Cd (eraiophyltumdemer um (coontai!)
Ppu Poiamoxetonpustllu.'i (slender pondweed)
Ngu Naias foadalupeasu i southern na^ad]
Ngr bajas gfacilhma (nsu.«i)
C Charasp (muskgrasi)
Nm A'ajoi nan..,r (slender naiadl
SCALE 1 24
i 0
1 S 0
SURVEY STATIONS
• MD Charter Boat Field Survey
9 Citizens Field Observation
A VIMS Field Survey
• USGS &MVGC Survey
00
1 "HE
KILOMETER
DATE FLOWN *-,
10-5-87 V
BARREN
ISLAND, MD
072
168
-------
UNITED bTATtS
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
y -V-r
HONGA QUADRANOLf
MARYLAND OOKLHtSTI H ( O
5 MINlITt StRlfcb OHTHOPHOTOMAP 1TOPIX,KAPHK)
SUBMERGED AQUATIC VEGETATION-1987
Rml
^ * x^
\QB$, ' ^
r^&tRm
•^ ne*
J*5[ ^GBS."
0&OSS^~
v RB2 d^jfassl
' Honfld
°^ J3B2
'^
\ '
• • OM/VI
Zm
Rm
Ms
Ppl
Ppc
Zp
N
EC
Va
Tn
U
Centra mniululgniss)
/(wpplQmijri
ma(w
dgeon gra.
W,n«*y;«v,«™|Eurasi
PoM«,j«»
perfo
Potamogeton pecun
Zannichellia
Ncps,pp(
Elodea canm
Vatlisneria a
Trapa naiani
palustr
aiab)
eisis
merica
(wate
Unknown species
SPECIES
Hv
•s)
in waiefmilfoil)
atus (redhead-grass)
aius (sago pondwaed)
i (horned pondweed|
common el
in (wild eel
chestnut!
cornpositio
dea)
fy)
HO
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Hydntla wimtlal
He:eranihera dubii.
PoumoRelvn crisp
CtravpWiiMtie*
roiamogeuinpuiil
Najas guadalupens
NQJOS graciltima (n
Cham sp imuskg
(hydnlla)
(wal
r stargrass)
a (Curly ponbweed)
«num
us (si
(coontail)
nde r ponflweed)
s (southern naiad)
aiad)
ass)
SURVEY STATIONS
• MD Charte
Boat Field Survey
0 Citizens Field Observation
A VIMS Field Survey
• USGS &
NVCC
Survey
Vajiu minor (Slender naiad)
i
SCALE 1 24 C
i 0
00
1 MILE
' «ILOHtTEB
DATE FLOWN
10-5-87
HONGA,
MD
073
169
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
WINGATE QUADRANGLE
MARYLAND OOKCHtSTFR CO
MINUTE SERIES OR THOPHOTOMAP (TOPOGRAPHIC!
SUBMERGED AQUATIC VEGETATION • 1987
" ' - --
{^/y^-^^^^&ij^^^- '^"
,cr -';> 't^:_:-''---~::^-"f/[-.; • ir{/;-:-:-?^-\«-.^-.-----Z''"
SPECIES
Zm
Rm
Ms
Ppt
Ppc
Zp
N
EC
Va
Tn
U
z»«n.«»w|eelgrass)
Ruppia mantima (widgeon grass]
Myriophyltumspicaium (Eurasian watermilfoil)
Potamogetonperfatiatus (redhead -grass)
Potamogeion pecttnatus (sago pondweed)
ZoMKhelliapoluuru (horned pondweed)
Af^W (naiad)
Elodea canadensis (common elodea)
Vallisnena americana (wild celery)
Trapa natans (water chestnut)
Unknown species composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
W^.^vmu.Hwafh
Hfle'amhera ctubta (w
Potamogeton crupus 1
CeraiophtlluKdewrs
Potamoffetonpusitlus
HajasKKatatupe™^
Najvgrantlwfrm
Chara !/i (muskgras
^dnlla)
ater siargrass)
urty frandweed)
an (coontail)
slender pondweed)
outhern naiad)
d)
)
SURVEY STATIONS
• MD Charter Boat Field Survey
t Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC
Survey
Najas minor (slender laiad)
SCALE 1 24 C
r™ *-*, ~ — ^—
00
^ — ^O.ETEfl
DATE'FLOWN -
10-5-87
WINGATE,
MD
074
170
-------
:4
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
ST MARYS CITY QUADRANGLE
MARYVAND-ST MARYS CO
75 MINUTfc SERIES (TOPOGRAPHIC-BATHYMtTRIOJ
'-- - 1' • \ ,
SUBMERGED AQUATIC VEGETATION-1987
' __ H \;«'
'\'"'>X^'^'",»f/6' ^-'-\
I; --v^s: < x '^,,-^^»r~;-V
v"-^ '.' -";*-, "N4A2 ^xT-7> fiT '
T\ ^--x 1i ®^v~ ;', ~^~~- ~-^N_ 'i °^ ' / i ,^'
1 W^ ' ^^- %' <§-
^>^- -••--, ,>x"^r
SPECIES
2m
Rm
Ms
Ppf
Ppc
zp
N
EC
Va
Tn
U
Zam»nn«(eelgrass)
Ruppia maritima (wtflgeon grass)
Myriophytium spicatum (Eurasian watermilfoil)
Potamogetonperfoliatus (redhead- grass)
Poramogeronpmiiajujfsago pondweed)
Zannichelliapalusms (horned pondweed)
Na;as spp (naiad)
Elodta canadenxa (COfnmoi elodea)
VaWunena amencana (wild celery)
Tropa naia/u (water chestnut)
Unknown species composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Mm
Hvdnlla verticillaia (hydnlla)
Hetera
Posam.
nthera dubia (water stargrass)
-igetw crupiu (Curly pondweed)
Ceratophyllumdemenian (coonlail)
Potanti
Najta
jgeion pusillus (slander pondweed)
wxfa/upciins (soulhern naiad)
No/us graciiUma (naiad)
Chara
Najas
sp (muskgrass)
w nor (slender naiad)
SCALE 1 24,C
1 5 0
' 5 0
SURVEY STATIONS
• MD Charter Boat Field Survey
t Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC Survey
00
IMILE
i KILOMETER
DATE FLOWN X
10-5-87 Xj.
ST. MARYS
CITY.MD
080
1987
ST MARYS CITY. MD
171
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEV
SUBMERGED AQUATIC VEGETATION -1987
l£&*3:#
SPECIES
Zm
Rm
Ms
Ppt
Ppc
Zp
N
EC
Va
Tn
U
Zo»,,«™r™(ee
Ruppia maniaaa (*
Mynopfcyttmipua
PoKunogeionperfo
Pa tarnffg e ton pectin
Zanruchellia palusi
Najasspp (naiad)
grass)
dgeon grass)
turn (Eurasian watermiKoil)
aius (redhead-grass)
aius (sago pond weed)
s (horned pondweed)
Elodta canoilensu (common «l«Jeal
Valluneria america
Trapa natans (wale
no. (wild celery)
r chestnut
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Unknown species composition
Hydrdla veniallata (h\'dnlla)
Heteranihera dubia (water stargrass)
SURVEY STATIONS
Potawge,™ crupus (curly pondweed) i • MD Charter Boat Field Survey
Ceratophytlum demersim (coontail)
Poiomogeion piaillus ( slander pondweed)
/Vaytw guadalupensis (southern naiad)
Najas graciUima (natal)
CMrusp (rnuskgrassj
Najos minor (slender naiad)
SCALE 1 24 C
I S 0
1 5 0
9 Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC Survey
00
1 MILE
1 K!LOWtT£«
DATE FLOWN
10-5-87,
RICHLAND'
POINT, MD
082°
F
172
-------
UNITED STATFS
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
SUBMERGED AQUATIC
VEGETATION-1987
SOUTH MARSH
/ j
• r Trar'NA \
"»' T i Km—^vvCA4
0*. » FFL- * ""* ' \J , * «et.r - ,-», ,V «
Zm Zottera mari/uj (eelgrass)
Rm Ruppia maniima (widgeon grass)
Ms Mynophyllumspicatum (Eurasian wate
Ppf PotamogfionperfoliolusifQQhv&O-gfas,
PpC Potamogeton pecunnlus (Sago pondwe
Zp ZaaiticMlia pa!itstni (horned pondwe
N ftafasspp (naiad)
EC tlfidea ianailensis (common elodaa)
U Unknown species composition
SPECIES
Hv Hydnlla vernnllata (riydnlla)
Hd Heieranihera dubia (water stargrass)
miltoil) Per Poiamogeton cnspus (curly pondw^ed)
S) Cd Ceraiophyllumdemersum (COOntail)
d) Ppu Poiatnvgeton pusillus (slender pontjweed)
d} Ngu hajas guadalupensis (southern naiad]
Ngr Va;;w graclllima (naiad)
C Char-asp (muskgrass)
Nm Najm minor (slender naiad)
SCALE 1 24 0
, 5 0
SURVEY STATIONS
• MD Charter Boat Field Survey
t Citizens Field Observation
A VIMS Field Survey
^ USGS&NVCC Survey
00
1 K"°""«"
DATE FLOWN -,„
10-5-87 -!
BLOODSWORTH
ISLAND, MD
083
173
-------
v,f UNITED STATES
'^v DEPARTMENT OF THE INTERIOR
"*•- GEOLOGICAL SURVEY
F4 S H I N G BAY
DEfvL IS.LAN3 QUADRANGLE
INUTE SERIES ORTHOPHOTOMAP (TOPOGRAPHI
SUBMERGED
ERGED AQUATIC VEGETATION-1987 VS^ pv^%
" " '-S-aw ,---"- *-^ \ X:c.m\vV^ j ^ \c-~_-j C • -~-~.J '
i-^:^-; ,. i - ;-%|p:^ •
•'--- ' r- ' •"-'<;•-£«'" . ' *
K- •• _ -"v^l- ;-it'°Up -
/""" ' ' ^ ^fc-J-'llM:-
' '", l-J " i . -~£-~:i-V--I ^ - ^ '
**/
k-
o:
;T«-;r
Sreot Sh™l" tight
( C
•z.
o
SPECIES
Zrn
Rm
Ms
Ppf
Ppc
Zp
N
EC
Va
Tn
U
Zo™™«
Ruppia 7n&
Mynophyl
Potamoge
PoiomojE
Zanmchell
rin«(eelgrass)
iiima (widgeon grass)
umspicatum (Eurasian waterniilloil)
onpfrfoliaius (red he ad- grass)
onpecunatui (sago pondweed^
apatustns (horned pondweed)
Naias*PP (naiad)
Elodea canodefuu (common etodea)
Vollisnena
Trapa naia
Unknown
amencana (wild celery)
ns (water chestnut)
species composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Hydnlla \emciUata (h"dnlla)
Heleranshera duiMfl (-H «et stetgtass)
f'oiamogetw cnspia (< urty pondweed)
Cerawphyllamdemersttm (coontail)
Poiamogeionpusiiiuitstendetpotioweedl
JVoyoi guadaluperuis (jouthern naiad]
N«V«8W,H.M(naiaJ)
Chofosp (musKgrassI
N'ijjiii minor (slender naiad)
SCALE 1 2A.C
1 ri 0
1 5 0
SURVEY STATIONS
• MD Charter Boat Field Survey
0 Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC Survey
00
1 KILOMETER
DATE FLOWN
10-5-87
DEAL ISLAND,
MD
084
174
-------
I UNITED STATES
V^ DEPARTMENT OF THE INTERIOR
*f- GEOLOGICAL SURVEY
MON1E QUADRANGLE
^SUBMERGED AQUATIC VEGETATION -1987
^ u ' """! ' ~ ,Ai|x^T/:
'/•' I ' ' BTOPt*.™/?' "- V^"*^ -- --V ~J~ > I/ ^ 1- -f
^' • t^^^^^S$^^^^^4^Cx^
'^^^g^^;^^X;.-
ttt V -r~*~ " " - "-TV -*-'- : ^-^ NGREL| NECK* jr^^ ". -,
iT
fl^|^v^
/ ./rXli:^^ '"/ :^t^cn-*O1'- v"tl^'"°
.L" / '. '-i'*--> " 'v^.C/ ":''.""•-";
^"~///^>^ ;-\
/•%• \ -\ - >i
1A3
•Rm
M A' N 0--^
SPECIES
Zm Zo«eru manna (eelgrass)
Rm Ruppia manuma (widgeon grass)
MS Myn/jpkyllumspicalutn (Eurasian watermilfoil)
Ppf Poiamogetonperfoliatus (redhead-grass)
Ppc Poiamogfton pecttnatus (sago pondweed)
Zp Zanmchtllia palustris (horned pondweed)
N Najasspp (naiad)
EC Elodta canattensis (common «lodsa)
Va Valhsnena amertcana (wild celery)
Tn Tr-apa naians (water chestnut)
U Unknown species composition
Hv Hydrilla veructilata (hydnlla)
Hd Heteranthera duhia (water Slargrass)
Per Potamogeian cwpus (Curly ponOweed)
Cd Ceratophyilumdetnersurn (Coontail)
Ppu poiamogetonpiuiUus (slender pondweed)
Ngu Najos guadalupensis (southern naiad)
Ngr fJajai graciiltma (naiad)
C Chora sp (muskgrass)
Nm Najas minor (slender naiad)
SURVEY STATIONS
• MD Charter Boat Field Survey
£ Citizens Field Observation
A VIMS Field Survey
4 USGS&NVCC Survey
SCALE 1 24 000
DATE FLOWN C-
10-5-87
MONIE,
MD
085
175
-------
UNITED STAThS
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
i
~ """ '''
.SUBMERGED AQUATIC VEGETATION-1987
SPECIES
Zm
Rm
Ms
Ppl
Ppc
Zp
N
Eo
Va
Tn
U
Z»«n,™
Ruppia mar
Mynophylt
Poiamogeta
Poiamogeso
Zanmchelli
Majas spp
ina (eelgrass)
lima (widgeon
.m.p.ca-wnlEu
nperfahatia (re
n pectinatus (sa
naiad)
grass)
rasian waterrnilfoil)
dhead-grass)
go pondweed)
ed pondweed)
Elodea canadensis (common elodeal
Valtisneria
Trapa naia
Americana (wild
u (water chest
celery)
ul)
Unknown species composition
Hv Hvdrilta vemcMata hydnlla)
Hd Hfieranthera dubia i water stargrass|
Per Foiamogetvn cnspus (curly pondweed)
Cd Ceraiophyllumdtne sum (COOntail)
Ppu ftttamogeionpusiUu. (slende'' pondweed)
Ngu No,™ zuadaluptKK (southern naiadl
Ngr Najas gracillima (na ad)
C ( harasp (muskgra.s!
Nm Najas minor (slender naiad)
SCALE 1 24 C
5 °
SURVEY STATIONS
• MD Charter Boat Field Survey
t Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC Survey
00
1 WLOMETER
" DATE FLOWN '
10-5-87
ST. GEORGE
ISLAND, MD-VA
089
ST GEORGE ISLAND, MD -VA
176
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
I GEOLOGICAL SURVEV
WAI
A4 '
f,
HEDGES STRAITS QUADRANGLE £
MARYLAND -^'
75 MINUTE SERIES ORTHOPHOTOMAP (TOPOGRAPHIC]! •!»
SUBMERGED AQUATIC ,
VEGETATION-1987 *1
^ " ( I J0"™>« --^-^.^i ~5:~ '~. PC ,-_- ' *\/ I O L
^ ~~-^~:Sfe-i -I: V- -.'-^^•.•-?Vv"-";""-V*?s4- \L
jlg^ , ----^^-:--.-'-.- "-.-:^".-"---• --:-.*--.-.- j--i-- ]""
/7
vV
O '
• Sh«p»h*«d Pt c
O
s-^r-rx^
^\
\
w •« xo i owooo tE£T s « « ;E*EIV 4I ^ ^^ 3 M * No Soy ' '10 " '" " ""•
SPECIES
Zm Zastera manna (eelgrass)
Rm Ruppia moftama (wxSgeon grass)
Ms Mynophyllumspicaium (Eurasian watermiltoil)
Ppf Poiamogetonperfoliatus (fWrisad-grass)
PpC PoKonogewn peclinatui (SaQO pondweM)
Zp ZaniucMliapattams (fiornod pondwesd)
N Najaispp (naiad)
EC ei«i«o canofcnju (common etodea)
Va Va/f»r>end amencana (wihj celery)
Tn rropo ntwans (water chestnut)
U Unknown species composition
Hv Hydrilta vernaltaia (hyOnlta)
Hd Heteranthera dubia (water stargrass)
Per fouonogeton cnspus (curly pondweed)
Cd Ceraiophytlum demersutn (Coontail)
Ppu Poiamogetonpusilliu (slender pondwefld)
Mgu Najos gucutalupeiuu (southern naiad)
*Jgr Najai gracilltma (naiad)
C Chora sp (rnuskgrass)
Nm Najas minor (slender naiad)
1 * °
SURVEY STATIONS 1C
• MD Charter Boat Field Survey
O I P
9 Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC Survey
1KILOUETER
DATES FLOWNl t.
6-6-87 Smith Is 5-
10-5-87 S Marsh Is ""
KEDGES
IAITS, MD
091
177
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
UNITED STATES
DEPARTMENT OF rH t AR
CORPS OF ENGINEERS
SUBMERGED
TERRAPIN SAND POINT QUADRANGLE
MARYLAND-SOMERSET GO
7 5 MINUTE SERIES (TOPOGRAPHIC!
SPECIES
Zm
Rm
Ms
Ppt
Ppc
Zp
N
EC
Va
Tn
u
&»«,,, manna (mlgrass)
Ruppia marinma (widgeon grass)
Myiophyllum spicatam (Eurasian watermiltoil)
Fotantogeionptrfoltaius ( redhead- grass)
Poiamogeton pectinams (Sago pond weed)
Zanmchetlia palusms (horned pondweed)
Najas spp (naiad)
Elodea canadensu (common el odea)
Vallisnenaamertcana (wild celery)
Trapa natara (waler chestnut)
Unknown species compxwition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Hydrilla verticillala (hydnlla)
Het
erantheradubm (water stargrass)
Potamagetox crispus (curt) pondvieeO)
Cer
Pou.
aiophyilumdemersum (COOntail)
•magetonpusillus (slerder pondweed)
Najas guadaluptnsts (soul iern naiad)
Naj
Cha
Naj
as gracilhma (naiaO)
rasp (muskgrass)
u minor (slender naiad)
SCALE 1 24 C
0
SURVEY STATIONS
• MD Chatter Boat Field Survey
0 Citizens Field Observation
A VIMS Field Survey
• USGS SNVCC Survey
00
, KILOMETER
DATES FLOWN
6-6-87 Smith Is
10-5-87 Deal Is
TERRAPIN SAND
POINT, MD
092
178
-------
UNITED STATES
DtPAKTMENT Oh THE INTERIOR
. GEOLOGICAL SURVEY
SUBMERGED AQUATIC VEGETATION - 1987V \ \
SPECIES
Zm
Rm
Ms
Ppl
Ppc
Zp
N
EC
Va
Tn
U
Zostera mi
Rufpiatna
nna (eel grass)
muna (widgeon grass)
Myru/phyllumsptcaaun (Eurasian walarmilloil)
Pan*,,,
Petamoge
Zuitirt.ll
No/as spp
Elodea can
VaH\snena
Trapa nata
Unknown
mpa&uina (redhead-grass)
on pecnnatus {sago pondweed)
apahuiru (horned pondweed)
(naiad)
tademts (common elodea)
amencana (wild celery)
ns (waier cfiestnut)
species composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Hydrilla veniciUata (h yd fill a)
Heteranthera dubia (water stai grass)
Potamogeion cnspus (curly pondweed)
Ceraiophytlumdemersum (coontaif)
PoKUHogeionpusillus (slender pondweed)
Najas guadalupensis (southern naiad)
Najas gractilima (naiad)
Charasp (muskgrass)
Najot minor (slender naiad)
SCALE 1 24 C
1 S 0
C 0
SURVEY STATIONS
• MD Charter Boat Field Survey
• Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC
•00
1 MILE
1 KILOMETER
Survey
DATES FLOWN
6-6-87 Big Annemessex R
10-5-87 ManokinR
MARION,
MD
093
179
-------
"^V UNSTED STATES
^ DEPARTMENT OF THE INTERIOR
*£? GEOLOGICAL SURVEY
SUBMERGED AQUATIC VEGETATION-1987
SPECIES
Zm
Rm
Ms
Ppt
Ppc
Zp
N
EC
Va
Tn
U
ZM«r
Kuppia
Mynop
Potamt
manna (eelgrass)
marMmn (w
hyllum spicat
gelonperfoli
f otama %etan pecnrw
Zsmuc
MtfB
Elodea
\ altun
Irapa
bUiapafiutn
pp (naiad)
cano^enJw (c
ena amrrican
miam (W3t«r
Unknown speeds
dgeon grass)
an (Eurasian watermilfon)
tus (redhead-grass)
u5 {sago pondweed 1
(horned pondweed)
ommon el odea)
a (wild celery)
cfcestnutl
x)fn position
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
HydrillavtrttcMaia (hycnjla)
Hettranthera dubia (watarstargrass)
Potamogeion cnspus (curly pondweed)
OmopMtafcmroinilcoontinI)
Fo[omoR«(onpiisi((w (slindat potniweed)
Najas %uadalupensis (so Jthern naiad]
Najas graciihma (naiad)
Charasp (muskgrass)
Najas minor (slender naiad)
SCALE 1 24
5 0
SURVEY STATIONS
• MD Charter Boat Field Survey
0 Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC Survey
00
1 KILOMETER
DATE FLOWN
6-6-87
EWELL,
MD-VA
099
180
-------
UNITED STATES
DLPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
GREAT F"OX ISLAND QUADRANGlE
SUBMERGED AQUATIC VEGETATION-1987
SPECIES
Zm
Rm
Ms
Ppf
Ppc
ZP
N
EC
Va
Tn
U
Zosiera manna (eelgrass)
/?«ppm maftsima (widgeon grass)
Mynophyllum spicauan (Eurasian watermilfoil)
Powogeton perfolwu, (red he ad- grass)
Patamogeion pectinatus (Sago OOndW6«J)
Zanmchellia paiustris (horned pondweed)
Naias spp (naiaO)
Eiodea canadensis (cornmon elodea)
Valitsnena amencana (vuilcl celery)
Tfapa naians (water chestnut)
Unknown species composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Hydnlla verticiUata (hydnlla)
Heteranthtra dubia (water stargrass)
Potamogeton cnspui (curly pondweed)
Ceraiophyllumdemersum (coontail)
Potamogeton pustllus (slender pondwaed)
iVfl/aj guadaluperuis (southern naiad)
Najas gracilhma (naiad)
Charasp (muskgrass)
Najas minor (slender naiad)
SCALE 1 24,0
1 5 0
SURVEY STATIONS
• MD Charter Boat Fie
Id Survey
£ Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC
00
1 KILOMETER
Survey
DATE FLOWN
6-6-87
GREAT FOX
ISLAND, MD-VA
100
181
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
, • •V'^-FM^
'^SUBMERGED AQUATIC VEGETATION -1987^ '
¥- ~ -W
1k-•wjl'*^i^4 J~f^^^- %-, . c'~ - V~" -'^ £ ^^^•W^/'>/?^^r''
S^S^^fflte "^'J ^ $ ^&^'. '
/f^v^py^S$-^ \. 3^- . * - fe^' *.«
,,Ll£j Z'St^pggj&wz.--—b^y
SPECIES
Zm
Rm
Ms
Ppl
Ppc
Zp
N
EC
Va
Tn
U
ZusKra (Mrifui (eeig
Myrlophylltun \plcauu
POWMVIOWW*
Pctamo$e,,
CRISFIELD,
MD-VA
101
182
-------
SUBMERGED AQUATIC VEGETATION -1987
Zm
Rm
Ms
Ppl
Ppc
Zp
N
EC
Va
Tn
U
SPECIES
Zoslera marina (eelgrass) Hv
Ruppia marlllma (Wldg
U,nafh,llms,tcaua
P<,:a™,gmp,rf,l^
Pciamognonptcnnaius
ZanuMHapaliumi (
Naias ipp (naiad)
Elodea canadensu (COFT
Vallnifna amtncana (
rrop«M,oM(waIerch
on grass)
Eurasian watermilfoil)
(rMhaacJ-grass)
(sago pondweed)
orned pondweed)
mon elodea)
wild celery)
esiratl
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
*"""""»»««» l^«'l SURVEY STATIONS
/Mer
Poton
nshera dubia (water stargrass)
Mgeton cnspus (curly pondweed)
Ceraiopkyilum demersum (coonlail)
Poiam
\ogeton pusitlus (slender pondweed)
Najas guadalupeniis (southern naiad)
Myo,
Cfiara
NHJOS
• MD Charter Boat Field Survey
0 Citizens Field Observation
A VIMS Fie
tractive (naiad) * USQS
jp (mushgrass) »
™nor (slsndar naiad)
SCALE 1 2-1 000
Id Survey
&NVCC
Survey
DATE FLOWN
6-28-87
REEDVILLE,
VA
106
183
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
COMMONWEALTH OF VIRGINIA
DIVISION OP MINERAL RESOURCES
JAMES L CALV£R STATE GEOLOGIST
TANGIER ISLAND QUADRANGLE
VIRCINIA-ACCOMACK LO
75 MINUTE SERIES (TOPOCKAPHK >
SUBMERGED AQUATIC VEGETATION-1987
yp'
SPECIES
Zm
Rm
Ms
Ppl
Ppc
Zp
N
EC
Va
Tn
U
Z«,«™™,,«,(«8|
Ruppia marittma (w
MynopWumWca
Poiamogetonperjol
Poiamogeionpecum
Zowuetettiapabxir
fJa/as spp (naiad)
Elodea canadensis I
Vallisaeria america
Trapa natans (mate
Unknown species
grass)
dgeon grass)
urn (Eurasian watermilfoil)
atus (redhead-grass]
ius (sago pondweed)
s (horned pondweedl
-ommon elodea)
ia (wild celery]
chestnut)
composition
Hv
Hd
Per
Cd
Ppu
Mgu
Ngr
C
Nm
Hydnlta \er
Heuraniher
Poiamogelo
Ceratophyll
Poiamogeio
Naps xwHa
Najasgw
icsllaia
adubia
crapu
vndeme
npusiilu.
lupensii
tma (na
Charasp (muskgra
Najas minor
(slende
hydnlla)
water stargrass|
(curly pondweed)
sum (Coontail)
(slender pondweed]
(southern naiadj
ad]
si
r naiad)
SCALE 1 24 C
, 5 0
SURVEY STATIONS
• MD Charter Boat Field Survey
£ Citizens Field Observation
A VIMS Field Survey
A USGS&NVCC
~
00
1 MILE
1 KILOMETER
Survey
DATE FLOWN
6-6-87'--
TANGIER ISLAND,
VA
107
184
-------
UMTFD STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
CHESCONESSEX QUADRANGLE
SUBMERGED AQUATIC VEGETATION-1987
SPECIES
Zm
Rm
Ms
Ppl
Ppc
ZP
N
EC
Va
Tn
U
An
«««,*
pptama
n*,(Ml
Himu (w
Mynephyllum splcal
PC
Po
Za
N,
£/
\a
Tr
rass)
dgeon grass)
\im (Eurasian waterrnirfoi!)
tamogeian perfoliaius (redhead-grass)
tamoge
,M
<,,,„
idea can
Itsnena
pa nala
Unknown
on pecunt
apalustr
naiad)
udenus (
amertcan
is (water
species
tus (sago pondweed)
(horned pondweed)
ommon elodea)
a (wild celery)
chestnut)
composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Hydrtlla vert
Heiera
Potam
nthera
^:.,n
CermophyUa.
foiam
Najas
Ma/ai
Chora
tJajas
ogeton
cillata (hydnlla)
dubia (wafer stargrassf
cnspus (curly pondweed)
•mternersum (coontatl)
pusillus (slender pondweed)
uadalupeiais (southern naiad)
«c,H
sp (m
tuner
ma (naiad)
uskgrass)
slender naiad)
SCALE 1 24,C
s o
SURVEY STATIONS
• MD Charter Boat Field Survey
0 Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC Survey
00
1 MILE
1 KILOMETER
DATE FLOWN
6-6-87
CHESCONESSEX,
VA
108
185
-------
COMMONWEALTH OF VIRGINIA
SUBMERGED AQUATIC VEGETATION -1987
"U
;'^KA3
Zm
Rm
Us
Ppf
Ppc
Zp
N
EC
Va
U
SPECIES
Zojleramanra(ee[grass! Hv Hyllntta vmicl//ow (nydr Ha]
Kuppla marlllfna (w
M 'rioptlyllum splca
Faumaiaanpafa
Paamogaoapea,.
7avuchetiiasiaiusi
Naiasipp (naiad)
Va'Usuenaamenca
Trafa fialans (wale
dgeon grass)
um (Eurasian watermilfoii)
arus (redhead-grass)
aitu (sago pondweed)
s (horned portdweed)
common elodsa)
na (wild celery)
r chestnut)
Unknown spec,,, compos.™
Hd Heieranthera dubta (wate Stargrass)
Per PMtimnzewnfmpusfcurtj ponQweed)
Cd Ceraiophyllumdeme^um coonlail)
Ppu fntamoKe""! pustllHs (sle iOer pondweed)
Ngu Kajas %uadalupensis (sou hern naiad)
Ngr Wujus gracUhrw (naiad)
C Chara ?p (muskgrass)
Mm Nofos mwi:r (slender riaud)
SCALE 1 24 C
5 c
SURVEY STATIONS
• MD Charter Boat Field Survey
ft Citizens Field Observation
A VIMS Field Survey
A USGS&NVCC Survey
00
, KILOMETEH
DATE FLOWN I
6-6-87
PARKSLEY,
VA
109
186
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
COMMONWEALTH OF VIRGINIA
DIVISION OF MINERAL RESOURCES
IAMES L CALVER, STATE OEQLOQIST
-------
UNITED STATES
'-<£ DEPAR"MENT OF THE INTERIOR
'-!' GEOLOGICAL SURVEY
i-M^I^,1"-;1 r^ ?r _ j -
IRV1NGTON QUADRANGLE
SUBMERGED AQUATIC VEGETATION -1987^-^ "'
SERIES (TOPOGRAPHIC) f"
_,;»w,,__ '_,U
SPECIES
Zm
Rm
MS
Ppf
Ppc
zp
N
EC
Va
Tn
U
Zoslera ma
Ruppiama
Mynophyl
r1M(eelg
niana (wid
wn spicaua
Poiamogeion perfoha
Poiamogei
Zannichell
art pt canac
apalwru
ass)
geon grass)
•n (Eurasian watermiltoil)
iii (redhead-grass)
us (sago pondweed)
horned pondweed)
Najasspp (naiad)
Elodea can
Valtisntria
Trapa naia
Unknown
ladensii (c£
amencana
/u (water t
mmon elodea)
(wild celery)
hestnut)
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Hydtillavenictttata(h
Heier
Polar
Cera
Poian
inlhera duhia (W
/dnlla)
aterstargrass)
ogeion cnspus (iiurty pondweed)
yphyllum demers
lagelonpusillus
im (coontail)
slenderpondweed)
Najas guadalupensts (i oulhern naiad)
Najai
Char
Najas
gracilluna (naia
sp (muskgras.
mm* (slender
species composition
^
)
aiad)
SCALE 1 24 C
5 a
SURVEY STATIONS
• MD Charter Boat Field Survey
0 Citizens Field Observatio
A VIMS Field Survey
• USGS &NVCC Sur\
00
1 MILE
, KH.OMETER
ey
DATE FLOWN «,
6-28-87 '-'
IRVINGTON,
VA
111
188
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
COMMONWEALTH OF VIRGINIA
DIVISION OF MINERAL RESOURCES
FLEETS BAY QUADRANGLE
vflCBI
fl,
]\V Jxprti,
Flm^
i2
Rfln \
AB21-
is, Dilfhlty / KABfc \
v,,,,;;. ;
-------
UNITED STATES
DEPARTMENT Or THE INTERIOR
I GEOLOGICAL SURVEY
COMMONWEALTH OF VIRGINIA
D VIS.ON OF MINERAL RESOURCES
JAMBS L CALVER STATE GEOLOGIST
NDUA CREEK QUADRANGLE
SUBMERGED AQUATIC VEGETATION-1987
CHESAPEAKE
BAY
SPECIES
Zm
Rm
Ms
Ppf
Ppc
ZP
N
EC
Va
Tn
U
Zostera marina (eel grass)
Ruppta maruuna (widgeon grass)
Mynophyttum sptcaaon (Eurasian watermilfoit)
Poiamogetonperfolianu (red head-grass)
Potamogeronptcnnaius (sago pond we ad)
Zamachellia palastra (horned pondweed)
Najas spp (naiad)
Ehdea canadeiau (common ekxMa)
Valttsnena amencana (wild celery)
Trapa natans (water chestnut]
Unknown species composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Hydrtllaverticillata (hydnlla]
Heter anther a dubia (water slargrai5)
Potamogeton crtspus (curly pondwi>ed]
c™<,p*««m dam*, (coontai:
Poiamogftonpusillus (slender poalweed)
Nojtu guaeialuptnsis (soulhern nai id)
Najta gracillima (naiad)
Charasp (muskgrass)
Najas minor (slender naiad)
SCALE 1 24
1 S 0
i 0
SURVEY STATIONS
• MD Charter Boat Field Survey
0 Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC
00
1 KILOMETER
Survey
- ^ - , iJt-,- ir
DATE FLOWN ,
6-6-87 -\
NANDUA CREEK,
VA
113
190
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
COMMGNWLALIH Ut- VIRGINIA
DIVISION OF MINERAL RfcbOURCES
JAMES L CALVER SFATE GEOLOGIST
75 MINUTE SERIES (TOPOGRAPHIC) f
SUBMERGED AQUATIC
^VEGETATION-1987
SPECIES
Zm
Rm
Ms
Ppf
Ppc
ZP
N
EC
Va
Tn
U
ZoJiem marina (eetgrass)
Suppw »uwiri™i (widgeon grass)
Mynophyltumspicatum (Eurasian watarmilfoil)
Potamogetonperfohatus (redhead-grass)
Potamogeion pecaaaeia (sago pondw&ed)
Zannwheltia patustris (horned pond weed}
Niyasspp (naiad)
Elodea canadciuts (common elodea)
VaHisnena amencana (wild celery)
fropa rutsru (water chestnut)
Unknown species composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Hydrilia veraattaia (hydnlia]
Heieranikera dubta (water stargrass)
foofamageton cnspus {curly pondwsed) ,
Ceratophyltumdemersum (coontail)
Potomogeionpusiltiu (slender pond weed)
Na/oi guadalupemis (southern naiaO)
Najas gracillima (naiad)
Chora sp (muskgrass)
Na/as minor (slender naiad)
SCALE 1 24 0
5 0
SURVEY STATIONS
• MD Charter Boat Field Survey
£ Citizens Field Observation
A VIMS Field Survey
• USGS&NVCCSU
00
1 KILOMETER
rvey
'««»„. .,;/%>
- —.^-.-.-5===;, S------ _rj-r .
DATE FLOWN -^
6-6-87
PUNGOTEAGUE,
VA
114
191
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
COMMONWEALTH OF VIRGINIA
DIVISION OF MINERAL RESOURCES
EOLOGIST
WILTON QUADRANGLE
VIRGINIA
MINUTE SERIES (TOPOGRAPHIC)
SUBMERGED AQUATIC VEGETATION-1987
'tnjw
ir --> ^~ v iyr „-• - ;-, v.,^.?
^ ** -«.--' * I ., . i. ---'"
*#-$.,•-fe:,- --": \-;.fi ^^^^" . ? /:'~:'> •&*
-A5? 8*l*-»,-; --,E« »'
FA2
*-' '• V/ (VW"" '*- ^^l X " ' '
ja-T ^JS««»"--. ' • , . v-^ '^-x-v^-y ;"'^A\^ -i"' ": /> '^'""-V^'zp
SPECIES
2m
Rm
Ms
Ppt
Ppc
Zp
N
EC
Va
Tn
U
Zo
^
W)
Po
/"o
Zo
Ha
K^muuulee
ppja mamtma (M
riaphyllum spica
grass)
idgeon grass)
fWTi (Eurasian water miHoil}
amc-gtionperfoltaius {redhead- grass)
lami;^e(i>npec(]n
aius (sago pondweed]
mciielliapalustris (horned pondweed)
asspp (naiad)
Elofca fanadensis (common elodea)
Va
Tr
Ur
(tsnf na amfrica
ipa nataru (wale
known species
na (wild celety)
r chestnut)
composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Hydnlla vemcillaia (hydnlla]
Heiera
nthera dubia
water sta
-grass}
Pviamogttoncnspus (curly poidweed)
Cerato
ihyllum deme
jumtcoo-itaii)
Poiamogeionpus\llus (slende
Najas guadalupensis
Najm
Chora
Najoi
(souther
pondweed)
naiad)
raciltima (naiad)
sp (muskgra
rnrutr (stende
>s)
r naiad)
i
SCALE 1 24,C
1 5 °
SURVEY STATIONS
• MD Charter Boat Field Survey
£ Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC
00
, KILOMETER
Survey
DATE FLOWN A
6-28-87 •>
WILTON,
VA
117
192
-------
UNITED SI ATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
COMMONWEALTH OF VIRGINIA
DIVISION of MINERAL RESOURCES
JAMES L CALVtfi STATE GEOLOGIST
••&.T-
SUBMERGED AQUATIC VEGETATION -1987
/ f -f^ V 7 i /:• - ^' x
LT/' '.Jri^T^-^SiL^
SPECIES
Zm
Rm
Ms
Ppf
Ppc
zp
N
EC
Va
Tn
U
Zoiferu manna (ee/grass)
fiuppw maruuna (widgeon grass)
Myriop/iyllum spicaturn (Eurasian wat&rmiltolj
Powmageton perfoliattu (redhead-grass)
Poiamogeion pecnnatus (sago pondweed/
ZanruckelUa palusms (horned pondweed)
Najasspp (naiad)
£/od«j canodenjij (common elodea)
Valtartena amencana (wild catary)
Trapa aataiu (water chsslnul)
Unknown species composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nrn
Hydnlta verticillata (hydnlla)
Heteranthera dubia (water stargrass)
Poiamogeton crispus (curty pondweed} i
Ceraiophyltun, demersum (COOntail)
Potamogetonpusilliu (slender pondweed) 1
Najca guadaluptraii (southern naiad) 1
Najtu gractllima (naiad)
Chora sp (muskgrass)
Najas minor (slender naiad)
SCALE 1 24,000
i 5 "
SURVEY STATIONS
• MD Charter Boat Field Survey
0 Citizens Field Observation
A VIMS Field Survey
• USGS 8.NVCC Survey
'
1UILE
1 KILOMETER
DATE FLOWN
6-28-87
DELTAVILLE,
VA
118
193
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
,.4" •«-,
SUBMERGED AQUATIC VEGETATION-1987
AA2
SPECIES
Zm
Rm
Ms
Ppf
Ppc
ZP
N
EC
Va
Tn
U
Zostera manna (eelgrass)
Kuppta rnarituna (widgeon grass)
M\tiapbyl(um spicawm (Eurasian watsrmiltoil)
Poiamogetonperfoliaiui { red head-grass)
Patamogeton pecnnatus (sago ponctweed)
Zainnhellia palusms (horned pondweed)
Naiasspp (naiad)
Etmtea canadensu (common elodeal
Vallwnena amencana (wild celery)
Trtipa natans (water chestnut)
Unknown species composition
Hv »^,«<,«r«,«™(h»dnii.) SURVEY STATIONS
Hd Heieranitiera duhia (wale stargrass)
Per Fi>ra™j,,<,.tn,p«(cuil([>ond»e«)) I • MD Charter Boat FreldSuivey
Cd c.raww/-*™™ coonul) ^ Otizens Field Observation
Ppu Poiamogeionpusiltus (sle idar pondweed)
Ngu Najas guaaatupensis (sou hern naiad) A VIMS Field Survey
Ngr MV« ,«*,/**, (naad) A USGS&NVCC Survey
C Chora sp (muskgrass) '
Nm Najas minor (slender nai-.d)
SCALE 1 24 000
I 5 0 , KILOMETER
DATE FLOWN
6-28-87
JAMESVILLE,
VA
119
194
-------
ARE NECK QUADRANGLE-
MINUTE SERIES POPOCRAPH.r
SUBMERGED AQUATIC VEGETATION-1987
•t^S
I
*
iJl- -
Rrn Ruppia IT
\ X
x I
XNS ''
> '
. "f
©/ \
/ \
iSi V /
" « / *. «-
v - ~sW
- **\i -*i
iwina (eelgrass)
tarituna (widgeon grass)
Ms Myriophyllumspicaium (Eurasian waterm
Ppf Petamog
PpC Potamog
sion ptrfolianu J red head-grass)
ewnpecdnaiiw (sago pondweed)
Zp ZanntchtHiapatustru (horned pondweed)
N Najas sp
(naiad)
EC Elodea canadfnsis (common elodea)
Va Vallnatr
Tn Trapa na
U Unknow
aamencana (wild celery)
ans (water chestnut)
n species composition
v V ^WT
"•^
-j-
V-) / '
J,^'^*3
SPECIES
Hv
Hd
foil) Per
Cd
Ppu
Ngu
Ngr
C
Nm
* as"™** r'^V>, /*-
& *.',-v^s .,..,/ x '•-,
« , \ •*.* .
J;' . - vV "• •"
pAJS, ,a J1^ ' *^l*~^-iii'"'ii"«->>'^7 \ff^
CA^Xx ^SfRmS^^'
^«n,«/ftHa(ivdniia) SURVEY STATIONS
H«eran(fiera dutia (water stargrass} ^
Potamogeion crapus (curly pondwsed)
Ceratophyltumdemersum (coontatl)
Paiamogeton pusillus (slender pondweed)
Najas guadaiupensis (southern naiad)
»o,a,8r««,™(n»,d|
tharasp (muskgrass)
Najas minor (slender naiad)
SCALE ! 24 C
1 S 0
• MD Charter Boat Field Survey
t Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC Survey
00
1 KILOMETER
6-28-87
WARE NECK,
VA
122
™r,°T,°"?*°p»r,°,,.
195
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
!r"vT''"--i-
Cf' •
-J' '.
""" ® 1*.
"SUBMERGED AQUATIC VEGETATION -1987
VCW . „,,,. „„, ,/£:
, H-M-j *.--;• ~ ~ T ,' **f*ML**&» ..• ' / '
" -' t'" - •
SPECIES
Zm
Rm
Ms
Ppt
Ppc
Zp
N
EC
Va
Tn
U
Zostera manna (eelgrass)
fiupp\a maniima (widgeon grass)
Myriophyllumspicaium (Eurasian watermilfoil)
Potamogeton ptrfohatus (redhead- grass)
Ft>iamogeionpectinatus(sagQ pondwoed)
Zarauchelliapa(ns!ns (horned pondweed)
f, v,., r
DATE FLOWN
6-28-87
MATHEWS
VA
123
196
-------
OBIjf
SUBMERGED AQUATIC VEGETATION -1987
-s c. , — ^
2m
Rm
Ms
Ppf
Ppc
ZP
N
EC
Va
U
SPECIES
W^jptotfumipLiummiELjrasian watermilfcilj Per
^-Joimoijeronpecri/ujniii'sago pordwesti) PpU
ZMiuctiellia paiustrii (horned pcnrjweeo] Ngu
W/as w naiaa) Mgr
• JiJi .niTu jme- < :jnu iwilfl celery) NrT
Heteramtiera dubw \vtSlsr 5targrass)
CeraiGpttytliundernersum (ccontatll
Pi>iairui%etanpusillus (siendar pondweedl
\aias minor isierder naiafl]
SCALE ' 24000
j
SURVEY STATIONS
• MD Chafer Boat F,eld Survey
t Crtizens Field Observation
A VIMS -ieid Survey
^ USGS3,N\jCC Survey
^MfTEB
DATE FLOWN
6-28-37
FRANKTOWN,
VA
124
197
-------
UWiTED STATES
DEPARTMENT OF THE INTERIOR
CEOLOCICAL SURVEY
SUBMERGED AQUATIC VEGETATION-1987
Zm Zosiera marina (eelgrass)
Rm Ruppia marutma (widgeon grass)
Ms Mynophyllam sptciaum (Eurasian waterm
Ppf Potamopeionptrfotiatus (red head- grass)
Ppc Poiamogeton pectinattu (sa$Q pondweed)
Zp Zanmcheiiiapalustris (horned pondweed;
N Najas spp (naiad)
EC Etodea <.anad€nsu (common elod«a)
Va Valhsntna amencana (wild celery)
Tn Trapa ruuans (water chestnut)
U Unknown species composition
SPECIES
Hv Hydnlla veracillam (Hydnllai
Hd Heieramhera dubia (waler star jrass)
foil) Per Potamogeton crispus (curly por dweed)
Cd Ceralophyllumdemersum (coortail)
Ppu Foiamogewn pusiilus (slender iwndweed)
Ngu Najas guadalupensis (southern naiad)
Ngr Najai gracillima (naiad)
C Chara sp (muskgrasB)
Nm fJajas minor (slender naiad)
SCALE 1 24 C
1 5 0
SURVEY STATIONS
• MD Charter Boat Field Survey
0 Citizens Field Observation
A VIMS Field Survey
A USGS&NVCC Survey
T
00
1 KILOMETER
DAT fc FLOWN
6-28-87
BRANDON,
VA
127
- ' '- _r,,oTOnl!.'ii,, ;..o
198
-------
UNITED SI '-1E.S
^- D£.PAR'M£N1 OF THE IN fbh'Ofc
""£ - GEOLOGICAL SURVEY
3'2W«^ -^-- -- - """',-.-. •>_
i' /--. U_-A
*•" D£.PAR'M£N1 OF THE IN ftd'Of* V__«
""£ - GEOLOGICAL SURVEY ^RW(f^
feSfc* -fV "^ SUBMERGED AGtUATIC VEGI
VEGETATION
11 i e^r '! y 'i\ i -"ii1 jsSy
^--K««?£m^>C
itsTiHsV; jt-t^yx^
Vtf -'^ "•• '~^£^ .• '
SPECIES
Zm
Rm
Ms
Ppf
Ppc
ZP
N
EC
Va
Tn
U
Zone m manna (eelgrass)
Ruppia maritima (widgeon grass)
Mynophyilum spicatum (Eurasian watermilloil]
Poianagston perfnliatus (red head- grass)
Potnnwgetonpecnnaius (sago pondweed)
Zannif-hetlia palusins (horned pondweed)
Na;as spp (naiad)
Eiodea Canadians {common slodea)
Vallisnena amertcana (wild celery)
Trapa xaian; (water chestnut]
Unknown species composition
Hv
Hd
Per
CO
Ppu
Ngu
Ngr
C
Mm
fiydrilta verticillata (hydnlla)
He
Pt>
Ce
Pa
leranthera dubut (water stargrass)
tamcgeton cnspus (curly pondweed)
raiopfiyllum demersum (coontai!)
tomogeionpustllui (slender pondweed)
Najiis guadalupensis (southern naiad)
Najos graciliima (naiad)
Ch
arasp (muskgrass)
SURVEY STATIONS
• MD Charter Boat Field Survey
0 Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC Survey
Najas minor (slender naiad)
SCALE 1 24 0
1 5 0
5 0
00
1 KILOMETER
DATE FLOWN
6-28-87
NORGE,
VA
128
199
-------
UNITED STATES
S> DEPARTMENT OF THE INTERIOR
**- GEOLOGICAL SURVEY
"'""*l ~
SUBMERGED AQUATIC
VEGETATION-1987f
v_+v---—-
SPECIES
Zm
Rm
Ms
Ppt
Ppc
Zp
N
EC
Va
Tn
U
^.^^teelgras.)
Kuppiamaritima (widgeon grass)
MyriopftyffwnjpiciHum (Eurasian watermillotl)
Patamogetonperfokatus (red he ad- grass)
Potamogtton pectinaiiu (sago pondweed)
Zannichelliapalustris (horned pondweed)
Najas spp (naiad)
Elodea canadensis (common elodea)
Valiant na amencana (wild celery)
Trapa naians (water crieslnut)
Unkrown species composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Hydnlli
He/era
Potamo
Ceraio
Potamo
Wajas g
Najas g
Chara
Najas n
a venicilfaia (hydnllai
iheradubta (water st Jrgrass)
SURVEY STATIONS
geion cmpus (curly p^ndweed) ! • UD Charter Boat Field Survey
geian pusillus (slendt f pondweed)
uadalupensis (SOuthe n naiad;
raciltima (naiad)
p (muskgrass)
itaor (slender naiad)
SCALE 1 24,C
t 5 0
t Citizens Field Observation
A VIMS Field Survey
• USGS SNVCC Survey
00
1 KILOMETER
DATES FLOWN'
6-6-87
6-28-67
ACHILLES,
VA
131
200
-------
SUBMERGED AQUATIC VEGETATION-1987
SPECIES
Zm
Rm
Ms
Ppf
Ppc
Zp
N
EC
Va
Tn
U
ia«ra™.
Ruppia mar
Mynophyilu
Poiamogeto
Potamageio
Zaiwchettio
Najas ipp 1
Eiodea cana
Trtipa natan
Unknown s
na (eelgrass)
tuna (widgeon grass)
mspnaium (Eurasian watemwltori)
nperfohaius (red he ad- grass)
n pecttnatus (sago pondweed)
palustris (homed pondweed)
naiad)
dcnstf (common eloOea)
unericana (wild celery)
j (water chestnut)
pecies composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
HydnllavertKillata (hydnlla)
Heteranthera dubia (water slargrass)
Poiamoxeion cnspus (curly pondweed)
terataphyitiondemersum (coontail)
foiamogeion pusdliu (slender pondweed)
HWU gMOoluptiau (southern naiad]
Najas graciUima (naiad)
Charasp (muskgrass)
Naias minor (slender naiad)
SCALE 1 24 0
1 5 0
5 0
SURVEY STATIONS
• MD Charter Boat Field Survey
0 Citizens Field Observation
A VIMS Field Survey
• USGS SNVCC Survey
00
1 KHOMETEH
DATE FLOWN
6-28-87
NEW POINT
COMFORT, VA
132
201
-------
UMSTED STATES
DEPARTMENT OF THE INTERIOR
, GEOLOGICAL SURVEY
iLTH OF VIRGINIA
IINEFJAL RESOURCES
la STATE GEOLOGIST
TAPF IHAK1FS QUADRAHLLF.
SUBMERGED AQUATIC VEGETATION-1987
L_ __ - _
SPECIES
Zm Zostera manna (eelgrass)
Ftm Ruppia marittma {widgeon grass)
Ms Mynophyllum spicatum (Eurasian waiermiltoil)
Ppf Potamagetonperfoliatus (redhead- grass}
Zp Zanruchfllta palusiris (horned pondweed)
N Najasspp (naiad)
EC Elodea canadensis (common eiodea)
Va Valtisnena amencana {wild celery)
Tn Trapa namru (water chestnutl
U Unxnown species composition
Hv Hydrtllaverucillata (hydnlla)
Hd Heteranlhera duiw (water stargrass)
3cr fotarmigeion cnspus (curly pondweed)
Cd Ceraiophyltum demersiun (i»ontail)
3pli PoWnwgewnpusiWui (slander pondweed)
^gil Najas guadalupenxis (southern naiad)
*Jgr Najas gractlLima (naiad)
C Chora sp (muskgrass)
SURVEY STATIONS
• MD Charter Boat Field Survey
9 Citizens Field Observation
A VIMS Field Survey
A USGS&NVCC Survey
^Jm Najas mnor (slender naia 1)
SCALE 1 24 000
I 5 0
1 KILOMETER
. f~
DATE FLOWN -
6-28-87 '••"•-.
CAPE CHARLES,
VA
133
202
-------
UMTED STATES
AraMEM ul- THE lINT
GEOLOGICAL SURVEY
SUBMERGED AQUATI(f VEGETATION -1987 "
" "*> " / . :-' r
SPECIES
Zm
Rm
Ms
Ppf
Ppc
Zp
N
EC
Va
Tn
U
Zosiera marina (eelprass)
fiuppia marutma (widgeon grass)
MvnophyUutntpicatutn (Eurasian waierrniltoil)
Putarnvgetortperfoliatus (red head- grass)
Potamogeion pectinatus (sago pondweed)
ZaHtuctetltapalusiru (horned pondweed)
Najasspp (naiad)
Valluneriaamencana (wild celery)
T'apa natartf (water chesinivt)
Unknown species composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Hydnlla verimltaia (hydnlla)
Heteramhera dubia
water stargrass)
Poiamogeion crispus (curly pondweed)
CtwopWltonden*
Poiatnogeioipusillu.
Majas guadaiupensis
Chora sp (muskgra
Najas nuaor (slende
rsum (coonlailj
(slender pondwged)
(soulnefD naiad)
ad)
ss)
r naiad)
SCALE 1 24 C
5 °
SURVEY STATIONS
• MD CHarter Boat Field Survey
0 Citizens Field Observation
A VIMS Field Survey
A USGS&NVCC Survey
00
1 KILOMETER
. _ ,
DATE FLOWN [
6-28-87
CHERITON,
VA
134
203
-------
AQUATIC VEGETATION-1987
SPECIES
2m
Rm
Ms
Ppf
Ppc
ZP
N
6c
Va
Tn
U
Zostera marina (eelgrass)
Rujpia marinma (widgeon grassi
Mjriophyllumspifaiijm (Eurasian walermiltoil)
P.«noS«ionWDW«i«, (redhead-grass)
Po'jmogfton pectutatiu (sago pondweed)
Zaimu.hellia palustris (darned ponaweed)
Najuw (naad)
Eicdeo eanadensu (common elodea)
Va 'lisneria amtncana (wild celery)
Trapa naiani (water chestnut)
Unknown species composition
HV ,,^,,tom,a,ta,nydn,., SURVEY STATIONS
Hd Heleraniheradubia (watei Stargrassi
Per potamogeton ctapta (curt / pondweed) i • WD Charter Boat Field Surrey
Cd CeraiophyUumJemtrsutn COOntail) ^
^ Citizens Field Observation
Ppll PutamuKeion jusitlus (slender pondweed)
Ngu hajas giiadalupenw (sou'hern naiad) ^ VIMS Field Survey
Ngr Naas ,™,,™ (na,ad) . U S G S S N V C C Survey
C c^fi sp (mus^grass) '
Mm \'ains miruir (slender nai. d}
SCALE 1 24 000
1 5 0 1 KILOMETER
DATE FLOWN
6-6-87
YORKTOWN,
VA
139
204
-------
«'"'FD STATES
N'MFNT OF THfc (NTERtOF
GEOLOGICAL SURVEY
COMMONWEALTH OF VIRGINIA
DIVISION Of MINERAL RESOURCES
SUBMERGED AQUATIC VEGETATION-1987
^feV-.U ^
Zm
Rm
Ms
Ppf
Ppc
2p
N
Sc
Va
Tn
U
Zostera marina (eelgrass)
Riippia manttma (widgeon grass)
MyrtoptiyHtimspicasum (Eurasian watarmilto
Patamaxeion perfolmtus (redhead- grass)
Posamogeivn ptcaaatus (sago pondweed)
Zanni che Ilia pal usiris (horned pondweed)
Wqjas sff> (naiad)
Eindta canadensu (common elodea)
VrilUsneriaamericana (wild celery)
T'opa natans (water cnestnut)
Unknown species composition
SPECIES
Hv
Hd
} Per
Cd
Ppu
Ngu
Ngr
C
Nm
Htdrdla*ernullala (hydnlla)
Hetrranihera dubia (water slargrass)
Poumastm irapiu (curty pondweed)
C,™op*v«™Amm«,(cooraail)
f otamogeioa pusillus (slender pondweed)
Najas guadatuptnsu (southern naiad)
frajas graftltima (naiad)
(.harasp (muskgrass)
,\ijns mnor (slender naiad)
SCALE 1 24
1 5 °
SURVEY STATIONS
H MD Charier Boat Field Survey
£ Citizens Field Observation
A VIMS Field Survey
A USGS&NVCCS
~
00
1 KILOMETEd
rvey
DATE FLOWN
6-6-87
POQUOSON
WEST, VA
140
205
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
. GEOLOGICAL SURVEY
SUBMERGED AQUATIC VEGETATION-1987
C H • E S A" P E A K E
Gfl.3
HAI
SPECIES
Zm
Rm
Ms
Ppi
Ppc
Zp
N
EC
Va
Tn
U
Z.»,r«™r,m(e,lgrass|
fluppia maritime (widgeon g
A>W/,,««mv,™,«,(Eufc
ass)
sian waterrniifoil)
rM.mogmpCT.fotamjUedli.ab-grass)
Potainogeton pectinaius (sag
i pondweed)
4um.cheffuii»iiuir» (horned pondweed)
N
-------
COMMONV.tAL.TH OF VIRGINIA
DIVISION Or MINERAL RESOURCES
JAMES u CALVER STATE GEOLOGIST
ELLIOT1S CREFK OUAtJ
SUBMERGED AQUATIC VEGETATION-1987
SPECIES
Zm
Rm
Ms
Ppl
Ppc
Zoom,™
ffivpia ma
,»,„„,*»
Fmaan
Pofumoge
rtna (eelgrass)
ritma (widgeon grass)
umsp\caiian (Eurasian watermilfoil)
onperfotiatus (redhead-grass)
on pectinaius (Sago pondweed)
Zp /awiKfaf/iamfonro (horned pondwsed}
N
EC
Va
Tn
U
Kwuwlnaad)
Elotiea ca
Vallisarru.
Trapa naia
Unknown
ladensts (common e lode a)
artier icana (wild celery)
it (water chestnut)
species composition
Hv
Hd
Per
Cd
Ppu
N9u
Ngr
C
Nm
Hydnlla ve
Heieranthe
Pvlamoge
CerM.phV
F,,umoget
racillata (hydnlla)
ra dubia (water stargrass)
on cnspus (curly pondweedj
umdemersumfcoontaili
inpusillus (siender pondwaed)
fJajos guadalupensis (southern naiad)
hajas grac
Chara sp
Najas minr
Ilima (naiad)
muskgrass)
r (slender naiad)
SCALE 1 24
ft 0
SURVEY STATIONS
• MD Charter Boat Field Survey
£ Citizens Field Observation
A VIMS Field Survey
A USGS&NVCC Survey
"
00
1K110METM
DATE FLOWN1
6-28-87
ELLIOTTS
CREEK, VA
142
207
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
COMMONWEALTH OF VIRGINIA.
DIVISION OF MINERAL RESOURCES
' -•" -TT 7 ." TJK~" I"ljjn>»v
SUBMERGED AQUATIC VEGETATION-1987,
'.\ : * ^=5^3
.#x
'" -1) ^K:^\^^ ,5
/ v '" */^ '^AV'
/'°
'• /
/...f
•.. / T -•;
";;!«,..,». )
'-.r^'a^
^^; *"'*
xTv^TV-. ' - '- —
'„"'
- ' f' '"'?
-' ' >
-''^ ( 1 i
^Town^id •
t I fiu
--V, ;>..
\y ^-.^
~ ^
.v-:\;?r"-.r
'-<£&$>
Aadii JJs^h "J
--.^/fe^
:*f \H
•"Til \
H '
\ .„
^
*
X
•fc,
o
as
'°
SPECIES
Zm
Rm
Ms
Ppl
Ppc
Zp
N
EC
Va
Tn
U
Zomram,
Rupp'a "m
Mynoptyl
rmm,,,i
ma. (eelgrass)
isima (widgeon gra
UMApirwwntEuras
M/WtfbteWBfrtKJhfl
SS)
anwatermittoil)
ad grass)
Poiamagetan pecsinaius (sago pondweed)
Sanmthetl
No/as ifip
Elodea -an
Valiisnt na
Trapa naia
Unknown
apaiusins (horned pondweed)
naiad)
ailensis (common el
amfncana (wild ce
m (water chestnut]
species composite
otiea)
ary)
"
Hv Hydrilla venuillata (hydnlla)
Hd Heierawhera dubui (water sta grass)
PCf fotamogeton crn/>u.\ (curly po idweed)
Gd ( erutophyllumdemtr'ium (coo itatl)
PpU Poiamf>%eif>ri pustliiix (slender pondweed)
Ngu Aa/^^nfldu/up^Hfsoutherr naiad)
Ngr Najas qntcillima (naiad)
C (haratfi imusKgrass)
Mm Hajas mir^f (slender naiad)
SCALE 1 24 C
I S 0
6 0
SURVEY STATIONS
• MD Charter Boat Field Survey
0 Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC Survey
00
1 MILE
1 HILOMETEf
DATE FLOWN I
6-28-87
TOWNSEND,
VA
143
208
-------
AQUATIC
VEGETATION -1987
SPFCIES
Hm Kuppia marinma wrl(J«Of rj'-ftSi Hd Hrtrr nnlhrr/i rlutiiu 'WStef Sla"J'3<:=;|
:: ;:;::™r::9 — -__ ^ ^ r_
•
SUHVFY STATIONS
A VIM", Flel()Sljr/^/
**'
"•"•'"
HAMPTON,
\/A
147
209
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
CAPE HENRY QUADRANGLE
VIRGINIA VIRGINIA 8EACH CITY
75 MINUTE SERIES TOPOGRAPHIC!
SUBMERGED AQUATIC VEGETATION-1987
",)»
- UiJTO
C H E S A P ~ E -A K E
BAY
SPECIES
Zm
Rm
Ms
Ppf
Ppc
ZP
N
EC
Va
Tn
U
Zouera manna (eeigrass)
Ruppia maritima (widgeon grass)
Mynophfllum ipicofum (Eurasian watermilfotll
Potamogeton perfolianu (redhead-grass)
Poiamogeton peciinaius (sago pondweed)
Zanmchellia palustris (horned pondweed)
Najasspp (naiad)
Elodea canadensis (common elodea)
Vallisneria amencana (wild celery)
Tropa natttns (water chestnut)
Unknown species composition
Hv H*,,. ,Ma,a (hyanlla) SURVEY STATIONS
Hd Htieranihera dubia (water stargrass)
Pa po»moj«Bnmp10(cu»ypo™l«e«
-------
^ »SUBMERGED AQUATIC VEGETATION-1987
/"»
^
SPECIES
Zm
Rm
Ms
Ppf
Ppo
zp
N
EC
Va
Tn
U
Z=.«™™™lMls.aBS)
tiuppia maniana (widgeon grassi
Myntiplyllum spiauum (Eurasian watermilfoil)
Polamogelon perfnhalus (redhead-grass)
Palamosetan pcclinalu* (sago pondweed)
Zannichellta paluiiris (horned pondweed)
tlll'L JIL (common .lodea)
Valllsnena amencana (wild celery)
Trapa natans (water chestnut)
Unknown species composition
Hv
HO
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Hydnlla verticillaM (hydnlla)
Heieranihera dubia (water stargrass)
fotianogeion tnjpw (curly pondweed)
CtrviophyllivndweniM (coontail)
Potamogeiof, pusillus (slender pondweed)
fJajas guadaluperx\s (soulhern naiad)
Najos graailirna (naiad)
C hara sp (niuskgrass]
Najas minor (slender naiad)
SCALE 1 24 0
. * o
SURVEY STATIONS
• MD Charter Boat Fie
Id Survey
^ Citizens Field Observation
A VIMS Field Survey
A USGSSNVCC
00
Survey
DATE FLOWN
9-1-87
BRISTOL,
MD
159
211
-------
UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
,, 1^ Jp'
l/WFA2 £\
%5?s-c,,™. r
PORT TOBACCO QUADRANGLE
^SUBMERGED AQUATIC VEGETATION-1987
t,,
„ „ i^ii.. j i _ *«"- ^ ' „ -s
SPECIES
Zm
Rm
Ms
Ppl
Ppc
Zp
N
EC
Va
Tn
U
Zcste
Rupp
M,,a
Pi/taa
Pctart
ZarM
NW
a marina (ee
a maniimfl (vi
phyllumspica
grass)
idgeon grass)
turn (Eurasian watermilfoil)
logeionperfoliaius (red he ad- grass)
logeioii pectin
hellia palusi
spp (naiad)
Elodea canadensis
Valla
Tnipa
Unkn
nena amenca
natara (wate
ana (sago pondweed)
j (horned pondweed)
common elodea)
na (wild celery)
r chestnut)
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
Hydnlla veracillata (hydnlla)
Heieramhera dubta (water stargrass)
Poiamageion cnspus (cury pondweeO)
CtiwkyltoiMfciitenum (coont»l)
Poiamogetonpusillus (slerxJer pondweed}
NOJOS guadalupensis (sou Ihern naiad)
Na/as graallima (naiad)
Charasp (muskgrass)
Naias minor (slender nai'ld)
SCALE 1 24 C
SURVEY STATIONS
• MD Charter Boat Field Survey
9 Citizens Field Observation
A VIMS Field Survey
• USGS &NVCC Survey
00
DATE FLOWN
9-25-87".
PORT TOBACCO,
MD
161
212
-------
BERLIN QUADRANGLE
X
75 MINUTE SERIES {TOPOGRAPHIC) jf
UNtTED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
•n^^' -^W-
AQUATIC VEGETATION
SPECIES
Zm
Rm
Ms
Ppl
Ppc
Zp
N
EC
Va
Tn
U
Zoaa-a*ianHi(eatrattl
Xifipui moruuna (widgaon graas)
«*upM»wt<>»m (Eurasian MtannlM)
Po^nn^p^lu^, (,«t»acK,rau)
PMAnogMofi peauvau (sago pondwndl
ZamidieUiapaliatrtt (honMd pondMMd)
Ar^vpln^U)
fjtxfcd conoifcMij (common a4od*a)
VoffiiMru m*na*a (wrid crtefy)
Tn^u MAW (water chMtnut)
Unknown spaoOT composition
Hv
Hd
Per
Cd
Ppu
Nflu
N9T
0
Mm
Hydnlla yenfitlata (hydnlla)
HeuroMhtra dubut (water fftargrass)
/•<«»»K*«w»cnjpw|curtypon(*««d) I
Cerfltopkrllumdtmfrtun (coomail) T
FffiaraogatMtiiiuithu(M9niKJ30nttM9«fi \
1
Nafotgraallana (naiad;
CAorojp (muskgraw)
M^tar flrt«v (Hano«r naiad)
SCALE 1 24.000
SURVEY STATIONS
•
0
A
4
T
1KIIOME
MD Charter Boat Field Survey
Citizens Fiekl Observation
VIMS Fiekl Survey
USGS &NVCC Survey
1MLE
TEH
DATE FLOWN
8-11-87
BERLIN,
MD
167
213
-------
UNITED STATES
DEPARTMENT OF THE INTERIOi
GEOLOGICAL SURVEY
SUBMERGED AQUATIC VEGETATION-1987
SPECIES
Zm
Rm
Ms
Ppf
Ppc
ZP
N
EC
Va
Tn
U
Zoturama
RuOpia mar
ina (eelgrass)
lima (widgeon grass)
Mynophylium spicatum (Eurasian watermilfoil)
Potnrnogeto
Potamagetc
Zannichelli
Natas spp
Eiodea cam
VaJ'Sneria
Trcpa aara
Unknown
nperfoltatw (redhead- grass)
n pectinaius {sago pondweed)
paiustru (horned pondweed)
naiad)
iderau (common etodea)
imencana (wild celery)
is (water chestnut)
pecies composition
Hv
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Mm
Hydnlla veruullata (hydrlla)
Heteranihera dubia (wate Stargrass)
Potamogeton inspus (cud f pondweed)
Cemuphyttv*di**nw* coomari)
PoiamogetonpusMus (slender pondweed)
Najas guadaSupensis (soulhern naiad)
Najas gractilitna (naiad)
Charasp (muskgrass)
Naias minor (sleixler nai£
-------
TINGLES ISLAND QUADRANGLE
.
SUBMERGED AQUATIC VEGETATION-1987
Zm
Rm
Ms
Ppl
Ppc
Zp
N
EC
Va
Tn
U
SPECIES
Zasiera marina (eelgrasS) Hv
Kuppta mariitma (widgeon grass)
Myitipkyllum spicaium [Eurasian walermilloil)
Pciamogfton perjoltatus (redhead-grass)
Patamagelon pectlnaliu {sago pondweed)
tamckilluraluan, (horned pondweed)
Najas spp (naiad)
klodea canorfeniu (common elodea)
Vallisngria amencana (wild celery)
Trapa naiara (water chestnut)
Unknown species composition
Hd
Per
Cd
Ppu
Ngu
Ngr
C
Nm
«,«„«„,„«„« (hydnii,, SURVEY STATIONS
Heieranthera dubta (water Stargrass)
foiamogeion cnspus (curly pondweed)
Ceraiophyllumdemersum (Coontail)
Potamogeton pusillus (slender pondweed)
Najas guadaluperuis (southern naiad)
•
^
A
— r , — = — ,
Najas mnnr (slender naiad)
SCALE 1 24 000
1 S 0
1 I 0 .KILOUET
MD Charter Boat Field Survey
Citizens Field Observation
VIMS Field Survey
USGS SNVCC Survey
1 MILE
.
DATE FLOWN
TINGLES ISLAND,
MD
170
215
-------
SUBMERGED AQUATIC VEGETATION -1987
.«
IS-
*
,-„ :,,,m,k IHO, l« .»[
SPECIES
Zm Zosiera manna (eelgrass)
Rm Ruppta montuM (widgeon grass)
Ms Mynopltytlum ipicooon (Eurasian watarmllfoil)
Ppf Potamogtton )itrfoltanu (radh«ad-grass)
Zp ZanrnctoUiapdiutri, (homed pondweed)
N Nqasspp (naiad)
EC Elodea caiuuUnsa (common 8k>dMl)
Va Valiuntna amtncona (wild c«l«ry)
Tn Trapa nonuu (watw chestnut)
U Unknown species composition
Hv
HO
Per
Cd
Ppu
Ngu
Ngr
C
Nm
(/ y ^^^ ^\
M I-IL I.B «:w«co™*;ucw*nl«
/QdnJii vemcillata (hydrtta)
Hettranuttraduina (watar stargrassi
Poumogtto* cntpits {curly pondWMd) 1
PotomottUMtpwttlta (sMndtr pondv«ad}
NttaigraaWma (naiad)
Ctarojp {muskorass}
*" ""**' SCAUE 1 54.000
L * °
I'M
•
•
A
•
fT^WM ~^AW "~/f~
17 JO- P.» HMMOfEtT*
SURVEY STATIONS
MO Charter Bot FwW Survey
Crbzens Field Observation
VIMS Field Survey
U S.QS. S N.VCC. Survey
•m
"DATE FLOWN'
8-11-87
BOXIRON,
MD-VA
_J2
n» IMO in it -Struts vu]
216
-------
UNITED SPATES
Dc.r"*RI~MENr Of THE INTERIOR
GEOLOGICAL SURVEY
WHITTINGTON POINT QUADR
7 b MINUTE SERIES iTOPOGRAF
SUBMERGED AQUATIC VEGETATION-1987
Rm
Ms
Ppl
Ppc
Zp
N
EC
Va
Tn
U
SPECIES
Zvssera manna (eelgrass) Hv Hya
Rufipia mamtma (widgeon grass) Hd Hei
Mynapfytturnspttarum (Eurasian watermjltol) Per Pou
Poion
Pulon
?Mnm
Nw
Ekxte
Valtis
F'Upa
Urkn
wgeron perfo
w%e.ion ptcnn
helliapalusi
ipp (naiad)
atanaderuu
nena amenca
*aau (wate
own species
MU (redhead-grass)
aius (sago pondweed}
! (horned pondweed)
common eictdea)
na (wild celery)
r chestnut)
composition
Cd Or
PpU Poi
Ngu Na}
Ngr Na;
C eta
Nm Na!
riila verncillata (hydnlla)
eramhera dubia (water Stargrass)
imogeion cnspus (curly pondweed)
atopkytlumdemersum (coontail)
•imogetonpustUus (slender pondweed)
as guadalupensis (southern naiad)
SURVEY STATIONS
H MD Charter Boat Field Survey
t Citizens Field Observation
A VIMS Field Survey
" ''""""" lraiadl 4 USGS&NVCC Survey
rasp (muskgrass) ^
i! rmnar (slendor naiad)
SCALE 1 24 000
1=—=^^=^-^ •• \ -,OMETEi,
DATE FLOWN '
8-11-87
WHITTINGTON
POINT, MD-VA
173
217a
-------
* UNITED SPATES
'-,£. DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVtf
SUBMERGED AQUATIC VEGETATION -1987
T_-S«V 'X-iOm J*s5jffff
^—ff-^ • \^jm/^W',
>•-'• Vv-^'-'ei-^//- / / :,*fS, '^ '*--:*'// /'
DATE FLOWN
X S, • -: ,'K
*' ,'"%,"
*'y. ^., ,-•>
8-11-87
CHINCOTEAGUE
EAST, VA
175
SPECIES
.'.n /,s,,,a«,,™(e«l9rass)
Rm Kuf)l'la m""!"™ (widgeon grass;
M5 Mmplnllu*,p«oum (Eurasian wattrmilfoil)
Ppt fatm,,g,,,,,f,M:^ mdl 9ad-arassi
PpC Ptwnogeton pei tinatus (sage pondweed)
,!p 7urt/jicAci/i«pa/^i?-ii (hornci pondweed]
N \uyus j/=p (naiad)
be Htuira i anaden.w (common alodea)
Va V alhsnena .vnencana (wild culery)
fn /fa^ti ntwom (waior chestnu 1
J Unknown species corrposit on
H. „»«,„«„,„„„ (h»aniiai SURVEY STATIONS
Hfl Htlerantherailubia (water stargrass)
Per formos«on cnspiu (curly pondweea) • MD Charier Boat Field Survey
Cd t,,,,w,,v«»,*™,™(cooniaii) ^ Citizens Fietd Observation
Ppu Pntamvge ion pusillus (slender pondweed)
Ngu /Vaj
-------
.NACOSTIA QUADRANGLE
SUBMERGED AQUATIC VEGETATION
SPECIES
Zrn Zosiera manna
Rm Ruppia marifma (widgeon grassj Hd lift ranitieru dubu (Vva!';r s'argrasst
Ms MwopMlumspuaium (turasian watgrmittoil) Per rwtuige »n rrupus (ojfly pondweed',
Ppf Potamoseuinpeifvtiaiu.', (febheaO grass) Cc) ( eriiiuptnlltimdemtrijtn (coon'an1
PpC Pvtamttfe'tin pet unaiut (sago pondweed) Hpij r >Mm,^et j-jfjijtien- .laiadl
EC i-iV>j*u c,jnjjf/t5is tco-nmon el^iea] '. . nara if imuskgra^si
Va l'a/!nnmi](Un£rittind 'Wild CSieivl Nm \ufrn mi'io' (Siendwr naidd)
T n / -a/in natani iwater cftesifi
i) (|nknown species cc 'ipo
SURVEY STATIONS
• MD Charter Boat Field Survey
0 Citizens Field Observation
A VIMS Field Survey
A USGS&NVCC Survey
DATE FLOWN
9-2-87
ANACOST1
DC-MD
176
217c
-------
I]
4
APPENDIX D
1987 SAV BED AREAS FOR EACH TOPOGRAPHIC QUADRANGLE
218
-------
APPENDIX D
NUMBER OF SQUARE METERS OF SAV FOR INDIVIDUAL BEDS BY TOPOGRAPHIC
QUADRANGLE. (SEE MAPS IN APPENDIX C FOR LOCATION OF EACH BED.
QUADRANGLES ARE LISTED NUMERICALLY BY VIMS CHART NUMBER.)
ABERDEEN MD.
VIMS CHART # 002
AA3
BA4
DA3
EA3
FAS
GA4
CAS
TOTAL AREA
HAVRE DE GRACE MD. (continued)
VIMS CHART # 003
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
16620
4439
1082
1720
9556
6977
1409
0
0
30387
11416
41803
HAVRE DE GRACE MD.
VIMS CHART # 003
AA3
BA3
CA3
DA3
EA3
FA2
GA2
HA4
IA4
JA4
KA2
LA4
MA4
NA4
OA4
PA4
QA4
RA4
SA4
TA4
UA4
VA4
5300
13550
2254
1335
2640
23980
3796
10700
56080
238200
258800
40060
6050
10590
2708
2800
3683
1766
577
1079
1502
8608
WA4
XA4
YA4
ZA4
AB4
BB3
CB4
DB4
EB3
FB3
GB3
HB3
IB3
JB4
KB4
LB4
MB4
NB4
OB4
PB4
QB4
RB4
SB2
TB4
UB4
VB3
WB2
XB2
YB1
ZB3
TOTAL AREA
DENSITY 1
DENSITY 2
DENSITY
DENSITY
TOTAL
3
4
22560
9817
6738
3306
28580
72810
13200
7240
9537
2796
9458
12290
2423
26040
132100
3807
1000
1623
2970
21690
6049
15440
38960
10790
204600
26220
66100
11800
17110000
2922
17109999
403436
163535
901953
18578920
219
-------
NORTH EAST MD.
VIMS CHART # 004
AA2
BA2
CAS
DAS
EA2
FA4
GA4
TOTAL AREA
SPESUTIE MD.
VIMS CHART # 009
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
EDGEWOOD MD.
VIMS CHART # 007
AA2
BA3
TOTAL AREA
3135
9246
32610
4680
6807
1087
2327
0
19188
37290
3414
59892
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
FERRYMAN MD.
VIMS CHART # 008
AA3
TOTAL AREA
3823
1352
0
3823
1352
0
5175
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
29280
0
0
29280
0
29280
AA3
BA3
CA3
DAS
EA2
FAS
GAS
HAS
IA3
JA1
TOTAL AREA
DENSITY
DENSITY 2
DENSITY 3
DENSITY
1 =
4 =
TOTAL
6785
1676
189600
12320
4459
10210
4792
2919
1787
3562000
3562000
4459
230089
0
3796548
EARLEVILLE MD.
VIMS CHART # 010
AA3
BA3
CAS
DA2
EA3
FAS
GA3
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
1974
28230
827
6483
6032
1043
2295
0
6483
40401
0
46884
220
-------
MIDDLE RIVER MD.
VIMS CHART # 013
AA4 45640
BA4 19480
CA3 4746
DA2 43250
EA1 20030
FA3 14470
HAS 7819
IA2 16140
GA4 25690
JA2 23170
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
20030
82560
27035
90810
220435
GUNPOWER NECK MD.
VIMS CHART # 014
AA2 32400
BA3 49080
CA3 40430
DA3 31940
EA4 3321
FA1 4353
GA1 4624
HA3 41870
IA3 54090
JA3 25860
KA3 30220
LA3 8041
MA4 43550
NA4 1954
OA4 22840
PA4 15170
QA2 5889
RA3 8149
SA2 1228
TA3 11250
UA2 17410
VA3 16880
WA2 24520
XA3 20410
YA4 23300
ZA4 34200
GUNPOWER NECK MD. (continued)
VIMS CHART # 014
AB2 7412
BB1 42230
CB1 11090
DB3 48830
EB4 56580
FB2 9133
GB4 41360
HB3 86280
IB3 17930
JB3 11610
TOTAL AREA
DENSITY 1 = 62297
DENSITY 2 = 97992
DENSITY 3 = 502870
DENSITY 4 = 242275
TOTAL = 905434
HANESVILLE MD.
VIMS CHART # 015
AA3 24970
BA3 10310
CA1 217400
DA2 4795
EA3 13060
FA3 15970
GA2 1855
HA2 70210
IA3 25560
JA4 604
KA3 38770
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
217400
76860
128640
604
423504
221
-------
BETTERTON MD.
VIMS CHART # 016
AA4 3752
BA2 106300
CA4 17140
DA4 5224
EA3 23220
FA3 8780
GA3 24930
HA3 2525
IA3 1195
JA3 1103
KA3 1700
LA3 2256
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
0
106300
65709
26116
TOTAL = 198125
GALENA MD.
VIMS CHART # 017
AA3 74120
BA3 1569
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
0
0
75689
0
TOTAL
75689
SWAN POINT MD.
VIMS CHART # 020
AA2
BA2
CA2
DA2
EA1
FA3
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
ROCK HALL MD.
VIMS CHART # 021
AA1
BA4
TOTAL AREA
1919
2151
3006
3445
3171
2357
3171
10521
2357
0
16049
42710
10400
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
GIBSON ISLAND MD.
VIMS CHART # 024
AA3
TOTAL AREA
42710
0
0
10400
53110
DENSITY
DENSITY 2
DENSITY 3
DENSITY 4
TOTAL
1 =
2581
0
0
2581
0
2581
222
-------
LANGFORD CREEK MD.
VIMS CHART # 026
LANGFORD CREEK MD. (continued)
VIMS CHART # 026
AA3
BA2
CA2
DA3
EA2
FA2
GAS
HA1
IA3
JA3
KA2
LA2
MA2
NA1
OA3
PA4
QA3
RA4
SA2
TA2
UA2
VA4
XA2
WA4
YA2
ZA4
AB2
BB2
CB4
DB2
EB2
FB3
GB3
HB3
IB4
JB4
KB2
LB3
MB3
NB3
OB3
PB2
QB3
RB4
SB4
TBS
UB2
VB3
WB3
161400
2862
2397
12440
4105
2759
105500
24410
85150
15860
2617
3569
5085
5005
154700
68910
38210
1116
6031
3001
31760
61780
21690
69520
152000
413000
55810
9232
63020
20400
7841
11770
47240
25460
96840
515900
15450
64520
10250
3668
21970
228900
24900
71820
14270
13470
1654
2987
20340
XB3
YB3
ZB3
AC4
BC2
CC4
DC2
ECS
FC2
GC3
HC3
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
9256
4978
3819
63910
21330
1539000
452400
43840
10240
28140
12250
29415
1061133
922118
2979086
4991752
CENTREVILLE MD.
VIMS CHART # 027
AA3
BA2
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
KENT ISLAND MD.
VIMS CHART # 032
AA2
BA4
CA3
DA2
EA4
FA3
IA4
JA3
KA2
LA2
12180
2294
0
2294
12180
0
14474
58370
107200
45320
69350
139400
118500
153800
57540
56800
51770
223
-------
KENT ISLAND MD. (continued)
VIMS CHART # 032
QUEENSTOWN MD.
VIMS CHART # 033
MA3
NA2
OA3
PA3
QA3
RA3
SA2
TA2
UA2
VA2
WA2
XA1
YA1
ZA2
AB3
BB1
CB3
DB1
EB1
FB2
GB3
HB1
IB1
JB4
KB2
LB4
MB3
GA4
HA4
NB1
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
112000
253800
95160
308900
24040
58950
3778
3066
2085
5969
5767
8089
5877
2842
11780
34910
122600
159200
10920
8295
43370
12280
23480
372100
55870
16660
22270
526400
38840
17690
272446
577762
1020430
1354400
3225038
AA3
BA2
CA3
DA3
EA3
FA2
GA3
HA2
IA2
JA1
KA4
LAI
MA2
NA3
OA3
PA1
QA3
RA4
SA2
TA1
UA3
VA1
WA4
YA2
XA2
ZA4
AB2
BB2
CB3
DB2
EB3
FB3
GB2
TOTAL AI
DENSITY
DENSITY
DENSITY
DENSITY
*EA
1
2
3
4
TOTAL
14470
14880
14610
2545
4290
4231
7229
10560
1781
35730
76000
42480
3716
72450
371900
182200
119700
146000
78880
69560
296900
154700
121100
3920
5665
184800
9462
11980
25270
8248
33840
20000
18330
484670
171653
983204
527900
2167427
224
-------
ALEXANDRIA VA.-D.C.-MD.
VIMS CHART # 034
CLAIBORNE MD. (continued)
VIMS CHART # 036
AA4
BA2
CA4
DA4
EA2
FA4
GA4
HA4
IA2
JA3
KA2
LA2
MA4
NA4
OA2
PA2
QA4
RA4
SA1
TA4
UA4
VA4
WA4
TOTAL AREA
TOTAL
306400
24670
61170
1779000
37650
42970
18100
4778
3285
14430
1864
5367
3883
29890
3796
4206
7181
19590
14130
1475000
43150
5149
803900
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
14130
80838
14430
4600161
4709559
CLAIBORNE MD.
VIMS CHART # 036
AA4 11790
BA4 50220
CA2 137100
DAI 70570
EA3 125000
FA1 222800
GA4 330900
HA4 7064
IA2 51590
JA2 29020
KA1 19490
LA3 11750
MA2 27030
NA2
OA2
PA4
QA4
RA4
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
20160
187800
19810
29680
17180
312860
452700
136750
466644
1368954
ST. MICHAELS MD.
VIMS CHART # 037
AA2 10120
BA3 9084
CA3 68560
DAI 63790
EA3 482800
FA4 257400
GA3 36830
HA3 17270
IA2 26280
JA3 36720
KA2 32390
LA2 53500
MA3 11420
NA4 52330
OA2 11220
PA2 12740
QA4 362200
RA3 118000
SA1 23660
TA3 25100
UA1 42110
VA3 45550
WAI 159800
XA2 35720
YA2 46830
ZA2 85500
AB2 14410
BB3 17700
CB2 8843
225
-------
ST. MICHAELS MD. (continued)
VIMS CHART # 037
MT. VERNON VA.-MD. (continued)
VIMS CHART # 040
DB1
EB3
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
88190
59890
377550
337553
928924
671930
2315957
FORT BELVOIR VA.-MD.
VIMS CHART # 039
AA2
BA2
CA2
DA2
EA3
FA2
GA4
JA4
IA1
HA4
KA2
TOTAL AREA
7035
23470
5712
13770
29270
35170
14620
3643
8516
50040
2264
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
8516
87421
29270
68303
TOTAL
193510
MT. VERNON VA.-MD.
VIMS CHART # 040
BA4
CA4
DA4
EA4
FA1
GA4
HA1
JA2
KA4
LA2
73950
76880
23920
36030
99950
254700
19960
66620
103900
23990
MA4
NA2
OA4
PA2
QA4
RA4
SA3
TA1
UA4
VA1
WA4
XA4
YA4
ZA4
AB2
BB4
CB3
DB4
IA4
AA4
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
1970000
54160
2056000
63550
5832
7215
132300
150500
119200
21260
44100
35190
5527
170800
19300
456700
216400
55180
4123000
81760
291670
227620
348700
9699884
10567873
TILGHMAN MD.
VIMS CHART # 043
AA2 3485
BA2 3605
CA3 14580
DA4 5441
EA2 5694
FA4 17020
GA3 31800
HA1 58330
IA3 103700
JA2 14240
KA2 58610
LA2 7867
MA2 10640
NA2 3670
OA4 6492
PA4 7263
226
-------
TILGHMAN MD. (continued)
VIMS CHART # 043
QA2
RA2
SA2
TA2
UA2
VA2
WA3
XA3
YA2
ZA2
AB4
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
OXFORD MD.
VIMS CHART # 044
AA3
BA3
CA3
DA3
TOTAL AREA
113000
9702
38270
51220
14680
39710
25590
3553
10650
29950
165700
58330
414993
179223
201916
854462
DENSITY
DENSITY 2
DENSITY 3
DENSITY 4
TOTAL
1 =
2399
12600
14230
25910
0
0
55139
0
55139
QUANTICO VA.-MD.
VIMS CHART # 047
AA4 63540
BA2 50800
CA3 33940
DA2 32550
EA1 84330
FA1 17580
GA2 11180
HA4 33810
IA1 45720
JA2 89230
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
147630
183760
33940
97350
462680
INDIAN HEAD MD.-VA.
VIMS CHART # 048
AA2
BA3
CAS
DA2
EA3
FA3
GA2
HA2
IA1
JA4
KA1
LA4
MA3
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
29610
8079
16640
12050
3029
6634
6594
9099
7965
24640
4860
39250
7452
12825
57353
41834
63890
175902
227
-------
BENEDICT MD.
VIMS CHART # 049
AA2
BA4
CAS
TOTAL AREA
HUDSON MD. (continued)
VIMS CHART # 051
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
HUDSON MD.
VIMS CHART # 051
AA3
BA2
CA2
DAS
EA3
FA3
GAS
HAS
IA3
JA3
KA4
LA2
MA2
NA2
OA2
PA4
QA2
RA4
SA2
TA4
UA3
VA3
WAS
XA3
YA3
ZA2
AB3
7567
2071
3017
0
7567
3017
2071
12655
23610
12040
11710
9604
9982
7149
6031
10810
7779
28400
56360
5157
1689
17980
16730
18060
13530
293700
82190
110400
8847
46710
333700
7949
18730
23510
23550
BB4
CB2
DB4
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
157000
125600
188900
0
310136
542851
824420
1677407
CHURCH CREEK MD.
VIMS CHART # 052
AA4 16820
BA4 4355
CA2 7567
DA2 3927
EA2 7621
FA2 4605
GA2 3731
HA3 13930
IA1 282000
JA4 9089
KA3 130400
LA3 10540
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
282000
27451
154870
30264
494585
228
-------
WIDEWATER VA.-MD.
VIMS CHART # 055
AA4 50040
BA2 72630
CA1 8089
DA4 45250
EA2 13500
FA2 9794
GA3 72390
HA4 112900
IA2 7070
TOTAL AREA
DENSITY 1 = 8089
DENSITY 2 = 102994
DENSITY 3 = 72390
DENSITY 4 = 208190
TOTAL = 391663
NANJEMOY MD.
VIMS CHART # 056
AA4 246600
BA3 22910
CA4 32180
DA4 4839
EA4 14810
FA4 146100
GA4 12800
HA4 33870
IA4 305900
JA2 50230
KA3 11350
LA4 4887
MA4 16880
NA4 12280
OA3 37710
PA4 22210
QA4 24930
RA4 8416
SA4 2658
TA4 11080
UA4 2287
VA4 2393
WA4 1827
XA4 3178
YA4 7112
ZA4 8476
AB4 3634
NANJEMOY MD. (Continued)
VIMS CHART # 056
BB4
CB4
DB4
EB4
FB4
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
10820
6675
6390
4548
4529
0
50230
71970
962309
1084509
MATHIAS POINT MD.-VA.
VIMS CHART # 057
AA2
BA1
CA3
DA3
EA4
FA1
GA3
HA3
IA2
JA2
KA2
LA4
MA4
NA3
OA4
PA3
QA4
RA4
SA4
TA4
UA4
VA4
WA4
XA4
YA4
ZA4
AB1
BB2
CB2
DB4
EB1
7556
62460
108300
36530
10080
11110
12630
8405
1696
1899
2357
10560
28020
1740
123200
92720
71040
9783
5527
94230
3113
7601
4184
2765
16540
7460
4210
41960
89950
886300
22490
229
-------
MATHIAS POINT MD.-VA.
VIMS CHART # 057 (Continued)
BROOMES ISLAND MD.
VIMS CHART # 060
FB4
GB4
HB3
IB4
JB2
KB4
LB4
MB4
NB4
OB4
PB2
QB3
RB4
SB2
TB4
UB4
VB4
WB4
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
289700
36160
10660
99140
11790
84580
346100
13100
1624
1595
1327
19360
86260
44070
3279
3573
636
2459
100270
202605
290345
2248609
2841829
MECHANICSVILLE MD.
VIMS CHART # 059
AA2
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
20780
0
20780
0
0
20780
AA2
BA3
CA2
DA2
EA2
FA2
GA2
HA2
IA3
JA3
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
COVE POINT MD.
VIMS CHART # 061
AA3
BA3
CA2
DA4
TOTAL AREA
1831
50160
6880
8444
11860
2492
83000
31680
1084
4609
0
146187
55853
0
202040
DENSITY
DENSITY
DENSITY
DENSITY 4 =
TOTAL
5931
2061
31230
6984
0
31230
7992
6984
46206
230
-------
TAYLORS ISLAND MD.
VIMS CHART # 062
AA2
BA2
CAS
DA4
EA2
FA2
GA3
HA3
IA1
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
GOLDEN HILL MD.
VIMS CHART # 063
AA2
BA3
CA2
DA3
TOTAL AREA
2875
1848
6207
32020
4363
29300
10440
326000
61650
61650
38386
342647
32020
474703
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
7431
995
1628
15260
0
9059
16255
0
25314
KING GEORGE VA.-MD.
VIMS CHART # 065
GA4 106200
FA2 18670
EA2 4642
DA3 16170
CA2 9144
BA2 2433
AA1 3694
TOTAL AREA
DENSITY 1 = 3694
DENSITY 2 = 34889
DENSITY 3 = 16170
DENSITY 4 = 106200
TOTAL = 160953
DAHLGREN VA.-MD.
VIMS CHART # 066
AA1 11390
BA4 5929
CA4 4181
DA4 44050
EA4 66020
FA2 11310
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
11390
11310
0
120180
142880
231
-------
COLONIAL BEACH NORTH, VA.-MD.
VIMS CHART # 067
SOLOMONS ISLAND MD.
VIMS CHART # 071
AA3
BA4
CA3
DA4
EA3
FA3
GA3
HA4
IA2
JA3
KA2
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
HOLLYWOOD MD.
VIMS CHART # 070
AA3
BA2
CA4
DA2
TOTAL AREA
15230
3312
11760
3607
12400
15280
30840
9738
29920
43870
1904
0
31824
129380
16657
177861
DENSITY 1
DENSITY 2
DENSITY 3
DENSITY 4
TOTAL
22230
11330
8696
7484
0
18814
22230
8696
49740
AA3
TOTAL AREA
83330
DENSITY 1 = 0
DENSITY 2 = 0
DENSITY 3 = 83330
DENSITY 4 = 0
TOTAL = 83330
BARREN ISLAND MD.
VIMS CHART # 072
AA3
BA1
CA4
DA3
EA1
FA4
GA1
HA4
IA1
JA4
KA1
MA2
NA1
OA3
LA4
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
7143
59030
82410
2781
12640
8295
8361
268700
32010
42930
44180
69600
137900
18160
1904000
294121
69600
28084
2306335
2698140
232
-------
HONGA MD.
VIMS CHART # 073
AA1 29830
BA4 177100
CA1 92820
DA4 15630
EA4 130500
FA4 15950
GA1 106600
HA3 354000
IA1 498400
JA4 417200
KA2 326500
LA2 8984
MA4 8906
NA4 18880
OA1 35930
PA4 14600
QA1 50800
RA3 85340
SA3 10460
TA3 34880
UA4 53490
VA2 9426
WAI 539400
XA3 113000
YA3 98080
ZA2 68690
AB2 18790
BB2 6389
CB3 2363
DB2 4280
EB3 23790
FB3 5152
GB2 25910
HB3 7672
IB2 14680
JB2 254300
KB4 207400
LB1 108000
MB4 547200
NB2 216300
OB3 11550
PB2 27460
QB3 166300
RBI 65780
SB3 34900
TB4 170600
UB4 273400
VB2 14270
WB1 68950
HONGA MD. (continued)
VIMS CHART # 073
XB3
YB3
ZB3
AC 3
BC3
GC3
HC4
IC2
JC3
KG 3
LCI
MC4
NC2
OC4
PC 2
QC4
CC1
DC2
EC2
FC2
TOTAL AREA
120200
7575
137100
17980
12790
14660
21600
14680
89070
9429
43190
42090
37670
35080
1840
3660
74190
5851
36610
4339
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
1713890
1096969
1356291
2153286
TOTAL
6320436
WINGATE MD.
VIMS CHART # 074
AA4 251800
BA3 3381
CA3 4384
DA4 332800
EA2 34260
FA2 27860
GA4 123900
HA3 66220
IA1 39600
JA3 108600
KA3 11090
LA3 2688
MA2 12680
NA4 384300
OA1 6162
PA3 69580
233
-------
WINGATE MD.
VIMS CHART # 074
QA2 105400
RA4 5403
SA1 51490
TA3 72630
UA2 5477
RICHLAND POINT MD.
VIMS CHART # 082
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
97252
185677
338573
1098203
1719705
AA1
BA3
CA3
DA2
EA4
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
5982
310900
39910
27270
40520
5982
27270
350810
40520
424582
ST. MARY'S CITY MD.
VIMS CHART # 080
BLOODSWORTH ISLAND MD.
VIMS CHART # 083
AA3
BA2
CA2
DA3
EA1
FA4
GA3
HA3
TOTAL AREA
DENSITY
DENSITY 2
DENSITY 3
DENSITY 4
TOTAL
1 =
23410
2497
7834
8050
4472
19260
34030
5281
4472
10331
70771
19260
104834
AA2
BA3
CA4
DA3
EA2
FA4
GA1
HA4
IA1
JA4
KA2
LA4
MA2
NA4
OA1
PA4
QA4
RA2
SA4
TA4
VA4
WA4
XA4
YA1
ZA4
AB4
BB4
CB3
DB3
EB4
FB4
8513
15190
23440
20300
12220
358200
6013
120800
35130
2492000
64730
69290
10740
11820
12820
270200
185000
15720
311000
67890
54490
2428
96330
97350
338300
59850
14920
25000
159100
24730
53660
234
-------
BLOODSWORTH ISLAND MD.
VIMS CHART # 083 (continued)
GB4
HB4
IB1
JB3
KB4
LB3
UA4
TOTAL AREA
26310
165500
73810
36950
201600
5107
11110
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
225123
111923
261647
4958868
TOTAL
5557561
DEAL ISLAND MD.
VIMS CHART # 084
AA3 298500
BA2 11820
CA4 43740
DAS 10950
EA1 22310
FA1 20630
GA3 22060
HA3 32950
IA3 86460
JA2 19700
KA4 12760
LA3 3324
MA3 17160
TOTAL AREA
DENSITY
DENSITY 2
DENSITY 3
DENSITY 4
TOTAL
1 =
42940
31520
471404
56500
602364
MONIE MD.
VIMS CHART # 085
AA3 8057
BA2 6367
CA3 13920
DA3 7543
EA3 21040
FA2 4008
GA2 4571
HA2 4457
IA3 176000
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
0
19403
226560
0
245963
ST. GEORGE ISLAND MD.-VA.
VIMS CHART # 089
AA2
BA2
CA3
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
37050
19430
837
0
56480
837
0
57317
KEDGES STRAITS MD.
VIMS CHART # 091
AA1
BA3
CA4
DA4
EA2
FA4
GA3
HA4
IA4
JA4
KA4
47580
94990
44710
2870000
72590
214200
1272000
412600
8636
13710
15440
235
-------
HEDGES STRAITS MD. (continued)
VIMS CHART # 091
MARION MD. (continued)
VIMS CHART # 093
LA4
MA3
NA3
OA4
PA4
QA4
RA4
SA4
TA4
UA4
VA4
WAI
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
265300
433900
228600
12230
16470
86530
421800
12200
50240
169900
87710
82350
129930
72590
2029490
4701676
6933686
TERRAPIN SAND POINT MD.
VIMS CHART # 092
AA4 816200
BA4 57580
CA4 11900
DA3 46960
TOTAL AREA
DENSITY 1 = 0
DENSITY 2 = 0
DENSITY 3 = 46960
DENSITY 4 = 885680
TOTAL = 932640
MARION MD.
VIMS CHART # 093
AA4 5146
BA3 21570
CA3 24880
DA2 30070
EA3 44220
FA3 26780
GA4 9946
HAS
IA2
JA3
KA2
LA4
MA4
NA3
OA2
PA3
QA3
RA3
SA3
TA3
UA3
VA3
WA2
XA2
YA3
ZA3
AB3
BB3
CB3
DB2
EB4
FB2
GB2
HB3
IB3
JB4
KB3
LB3
MB3
NB2
OB3
PB3
QB3
RB3
SB3
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
51650
78210
28570
2167
1905
8495
20810
1291
7144
7356
19040
1806
21130
63500
8383
28480
29400
43390
25040
32760
32770
292400
22150
65250
34650
197100
8203
58840
54830
16440
51770
74310
9586
4773
1634
6194
1483
25880
0
433104
1022726
145572
1601402
236
-------
EWELL MD.-VA.
VIMS CHART # 099
GREAT FOX ISLAND MD.-VA.
VIMS CHART # 100 (continued)
AA4
BA3
CA2
DA3
EA2
FA3
GA2
HA4
IA4
JA4
KA4
LA3
MA2
NA3
OA3
PA4
QA3
RA1
SA4
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
15520000
275300
523700
117300
86730
241600
73500
322300
18870
932200
91690
93040
20020
18480
20720
517800
489500
9092
757500
9092
703950
1255940
18160356
TOTAL
20129335
GREAT FOX ISLAND MD.-VA.
VIMS CHART # 100
AA4
BA2
CA2
PA4
QA2
OA4
NA1
MA4
GA4
HA4
IA2
JA4
KA1
LA4
FA3
4212000
1029000
183000
1499000
611600
250700
27740
9635
178300
124600
206500
1516000
93800
552200
132000
EA4
DA4
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
58740
214700
121540
2030100
132000
8615874
10899514
CRISFIELD MD.-VA.
VIMS CHART # 101
AA4
BA2
CA3
DA3
EA2
FA4
GA2
VA3
UA4
TA3
SA3
RA4
HA3
IA4
JA4
KA4
LA3
MA4
NA4
OA4
PA4
QA4
TOTAL AREA
DENSITY
DENSITY 2
DENSITY 3
DENSITY 4
TOTAL
1 =
167200
179600
24270
80710
18310
32830
32470
25110
92920
72820
20790
10400
41530
72690
27880
147900
45290
18340
25500
17840
57950
19900
0
230380
310520
691350
1232250
237
-------
REEDVILLE VA.
VIMS CHART # 106
AA2 19020
BA2 223500
CAS 13230
DA2 19660
EA4 26010
FA2 125800
GA4 393700
HA3 40010
IA2 18930
TOTAL AREA
CHESCONESSEX VA.
VIMS CHART # 108
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
0
406910
53240
419710
879860
TANGIER ISLAND VA.
VIMS CHART # 107
AA2
BA3
CA2
DA4
EA2
FA3
GA2
HA1
IA2
JA4
KA2
TOTAL AREA
215100
242200
164300
383500
197000
70140
114200
84570
72580
2745000
702900
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
84570
1466080
312340
3128500
TOTAL
4991490
AA1
BA1
CA3
DA3
EA4
FA4
GA4
HA1
IA4
JA4
LA3
MA3
NA4
OA4
PA1
QA4
RA2
SA1
TA3
UA1
VA4
WA2
XA3
YA2
ZA1
AB3
BB3
CB1
DB2
EB2
FB4
GB4
HB3
IB2
JB4
KB2
LB3
MB3
KA2
NB4
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
15180
23560
10260
141700
14570
13020
87300
16180
228600
7645
130900
123700
405800
389000
34030
328500
121500
53230
460200
213100
359500
323000
438700
271800
75090
39250
423300
224000
74040
217500
441200
136800
9972
87720
147600
23180
141400
2033000
571200
260800
654370
1689940
3952382
2820335
9117026
238
-------
PARKSLEY VA.
VIMS CHART # 109
AA3
BA2
CA2
DA3
EA3
FA3
GAS
HA3
IA4
JA4
KA3
LA3
MA3
TOTAL AREA
270400
17420
6127
1741000
14320
90810
75780
11880
4892
37840
22870
37510
27190
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
0
23547
2291760
42732
TOTAL
2358039
URBANNA VA.
VIMS CHART # 110
AA1 127000
BA2 66210
CA1 5618
DAI 6293
EA2 105300
FA3 2174
GA2 11570
HA1 7556
IA2 29860
TOTAL AREA
DENSITY 1
DENSITY 2
DENSITY 3
DENSITY 4
TOTAL
146467
212940
2174
0
361581
IRVINGTON VA.
VIMS CHART # 111
AA3 38380
BA2 12580
CA2 47900
DA4 98210
EA4 17090
FA1 16580
GA3 221200
HA3 7241
IA3 3778
JA3 32780
KA2 2616
LAS 53570
MAS 7818
NA3 2302
OA4 16400
PA4 12930
QA3 28190
RA2 4274
SA4 21700
TA2 3957
UA3 4788
VA3 294600
WAI 24570
TOTAL AREA
DENSITY 1 = 41150
DENSITY 2 = 71327
DENSITY 3 = 694647
DENSITY 4 = 166330
TOTAL = 973454
FLEETS BAY VA.
VIMS CHART # 112
AA1 165100
BA1 173700
CA3 21110
DA3 37070
EA4 20060
FA1 518200
GA2 6129
HA2 202600
IA2 8748
JA2 20090
KA3 18180
LA3 7740
MA3 32560
239
-------
FLEETS BAY VA. (continued)
VIMS CHART # 112
PUNGOTEAGUE VA.
VIMS CHART # 114
NA2
OA2
PA3
QA2
RA2
SA2
TA3
UA2
VA3
WA2
XA2
YA2
ZA2
AB2
BB2
CB1
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
20260
41510
7212
526600
51500
24300
39560
20160
16660
86850
166800
31920
26050
31910
25650
8443
865443
1291077
180092
20060
2356672
NANDUA CREEK VA.
VIMS CHART # 113
AA3
BA1
CA4
DA4
EA3
FA2
GA3
HA3
IA1
JA3
KA3
LAI
TOTAL AREA
41240
14000
94330
163600
133800
1181000
145200
72170
87480
23730
242500
1588000
AA3
BA4
CA4
DA3
EA4
FA2
GA3
HA4
IA1
JA3
KA1
LA3
MAS
NA2
OA1
PA3
QA2
RA2
SA2
TA1
UA4
VA2
WA3
XA3
YA4
ZA4
AB2
BB1
CB4
DB3
EB3
FB3
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
57210
14830
1857
107000
20510
25690
203600
992900
157200
748500
2095000
1225000
16090
50390
34030
212200
78320
16050
10320
72590
18160
12140
14470
72910
55920
60370
157000
316100
49880
44780
12270
14050
2674920
349910
2728080
1214427
6967337
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
1689480
1181000
658640
257930
TOTAL
3787050
240
-------
WILTON VA.
VIMS CHART # 117
AA2 10810
BA2 3146
CA2 6939
DA2 3457
EA3 5531
FA2 3756
GA2 4502
HA2 4474
IA2 3538
JA2 19110
KA1 11490
LAI 55730
MA3 99760
NA2 32660
OA2 2588
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
DELTAVILLE VA.
VIMS CHART # 118
AA2
BA4
CA2
DAI
EA1
FA2
GA4
HA2
IA2
JA1
KA2
LAI
TOTAL AREA
67220
94980
105291
0
267491
13780
34270
5336
41590
10000
8878
4893
20960
3759
13130
5265
26960
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
91680
57978
0
39163
188821
JAMESVILLE VA.
VIMS CHART # 119
AA2 23510
BA2 30730
CA2 486300
DA4 498000
EA1 104700
FA4 159400
GA3 10550
HA2 73000
IA3 9270
JA2 41830
KA4 18020
LA2 913000
MA4 190300
NA2 18570
OA2 663700
PA1 41150
QA3 23350
RA3 15460
SA3 16610
TA3 55100
UA3 145200
VA4 164800
WAI 35860
XA3 237600
YA4 140300
ZA2 12330
AB2 66670
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
181710
2329640
513140
1170820
4195310
WARE NECK VA.
VIMS CHART # 122
AA3 8409
BA2 32490
CA2 9489
DA2 261500
EA1 7684
FA3 5269
GA3 26920
HA4 90940
IA4 43780
241
-------
WARE NECK VA. (continued)
VIMS CHART # 122
JA2
KA3
LAI
MA2
NA3
OA3
PA2
QA2
RA3
SA3
TA2
TOTAL AREA
20240
138500
125900
87160
12170
32690
4274
661100
216200
57560
100900
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
133584
1177153
497718
134720
TOTAL
1943175
MATHEWS VA.
VIMS CHART # 123
AA4 15490
BA4 14550
CA4 13430
DAI 25380
EA1 22820
FA4 47150
GA1 42230
HA4 67840
IA4 3752
JA2 32500
KA3 21340
LA3 10590
MAS 28070
NA3 20320
OA2 6691
PA3 43470
MATHEWS VA. (continued)
VIMS CHART # 123
QA2 62200
RA4 79400
SA1 23620
TOTAL AREA
DENSITY 1 = 114050
DENSITY 2 = 101391
DENSITY 3 = 123790
DENSITY 4 = 241612
TOTAL = 580843
FRANKTOWN VA.
VIMS CHART # 124
AA2
BA4
CA2
DA2
EA3
FA3
GA1
HA1
IA4
JA3
KA4
LA3
MA3
NA4
OA2
PA1
QA2
RA3
SA2
TA2
UA3
VA3
WA3
XA3
YA3
30560
100700
56350
8570
15800
761100
41970
59660
19560
57470
105900
265600
126600
1421000
175600
58810
23890
42460
11690
172900
94880
15630
59000
36500
8694
242
-------
FRANKTOWN VA. (Continued)
VIMS CHART # 124
ACHILLES VA. (continued)
VIMS CHART * 131
ZA3
AB3
BB4
CB4
DB1
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
64040
23610
5268
53940
9253
169693
479560
1571384
1706368
3927005
ACHILLES VA.
VIMS CHART * 131
AA3 21060
BA4 34200
CA4 35200
DA2 56520
EA4 706800
FA2 166400
GA4 206900
HA4 36290
IA4 142400
JA2 42380
KA4 264500
LA2 547800
MA4 33370
NA4 109400
OA2 17400
PA4 40900
QA4 79740
RA2 594800
SA4 18130
TA4 41500
UA4 8099
VA4 235700
WA4 121200
XA1 303300
YA2 ,298100
ZA4 223000
AB2 30570
BB4 48910
CB4 16700
DB4 42690
EB4 20520
FB3
GB3
HB4
IB3
JB4
KB3
LB1
MB3
NB4
OB3
PB3
QB1
RB4
SB2
TB4
UB2
VB4
WB3
XB2
YB1
ZB3
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
194400
28350
8458
155500
233500
226800
252500
238800
252100
23330
40490
57660
223300
88420
118800
53490
8850
24090
40300
76250
664200
689710
1936180
1617020
3311157
7554067
NEW POINT COMFORT VA.
VIMS CHART | 132
AA2
BA1
CA4
DA2
EA4
FA1
GA4
HA2
IA4
JA4
KA3
LA4
MA2
NA3
OA1
1113000
286800
1263000
536100
1437000
94570
48840
387400
88640
21010
142600
111800
581600
257300
80100
243
-------
NEW POINT COMFORT VA.
VIMS CHART # 132
PA3
QA3
RA2
SA4
TA2
UA4
VA2
WA4
XA3
YA4
ZA3
AB4
BB1
CB1
DB3
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
35760
218200
435600
622000
325200
17930
452000
345100
413300
21800
13810
584200
54340
442000
57860
957810
3830900
1138830
4561320
10488859
CAPE CHARLES VA.
VIMS CHART # '133
AA4 20030
BA2 209000
CA4 68140
DA4 636400
EA3 240200
FA3 70650
GA3 24930
HA4 9813
IA3 77320
JA1 647000
KA3 660700
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
647000
209000
1073800
734383
CHERITON VA.
VIMS CHART # 134
AA1 116900
BA4 309800
CA2 92850
DA4 215500
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
116900
92850
0
525300
TOTAL = 735050
YORKTOWN VA.
VIMS CHART # 139
AA2
BA3
TOTAL AREA
3639
6137
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
POQUOSON WEST VA.
VIMS CHART # 140
0
3639
6137
0
9776
TOTAL
2664183
AA4
BA4
CA3
DAI
EA4
FA3
GA3
HA2
IA3
JA4
KA2
LA4
MAI
NA1
OA2
PA4
QA3
3996
14600
104800
222700
395300
24860
62170
9127
12260
56500
2694
78750
246200
50580
346900
44620
20170
244
-------
POQUOSON WEST VA.
VIMS CHART # 140
ELLIOTTS CREEK VA.
VIMS CHART # 142
RA3
SA2
TA4
UA3
VA3
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
41780
349600
365000
438900
13820
519480
708321
718760
958766
2905327
POQUOSON EAST VA.
VIMS CHART # 141
AA3
BA2
CA1
DA4
EA2
FA4
GA3
HA1
IA3
JA4
KA4
LA4
TOTAL AREA
DENSITY
DENSITY 2
DENSITY 3
DENSITY 4
TOTAL
1 =
477400
32210
97650
507000
1291000
4313000
721200
38980
28350
7066
5187
5117
136630
1323210
1226950
4837370
7524160
AA3
BA1
TOTAL AREA
20550
73750
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
73750
0
20550
0
TOTAL = 94300
TOWNSEND VA.
VIMS CHART # 143
AA3 6613
BA3 19620
CA3 58410
DA3 35020
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
0
0
119663
0
119663
245
-------
HAMPTON VA.
VIMS CHART # 147
AA4 107000
BA4 134100
CA4 32680
DA4 459200
EA4 102400
FA4 526900
GA3 13200
HA1 86680
IA3 164900
JA2 241700
KA4 593700
LA4 9008
MA4 368400
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
86680
241700
178100
2333388
2839868
CAPE HENRY VA.
VIMS CHART # 152
AA2 15800
BA2 153400
CA2 58530
DA3 106500
EA3 52370
FA3 18440
TOTAL AREA
DENSITY
DENSITY 2
DENSITY 3
DENSITY 4
TOTAL
1 =
0
227730
177310
0
405040
PORT TOBACCO MD.
VIMS CHART # 161
AA4
BA4
CA4
DA4
EA4
FA2
GA3
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
BERLIN MD.
VIMS CHART # 167
AA3
BA4
TOTAL AREA
2726
5650
31810
3574
3753
5557
3311
0
5557
3311
47513
56381
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
OCEAN CITY MD.
VIMS CHART # 168
AA3
BA4
TOTAL AREA
63960
6604
0
0
63960
6604
70564
DENSITY
DENSITY 2
DENSITY 3
DENSITY 4
1 =
80540
3611
0
0
80540
3611
TOTAL
84151
246
-------
TINGLES ISLAND MD.
VIMS CHART # 170
WHITTINGTON POINT MD.-VA.
VIMS CHART #173
AA3
BA4
CA4
DA3
EA3
FA4
GA4
HA4
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
8821000
253200
37930
287500
506300
164500
35940
99630
0
0
9614800
591200
10205999
BOXIRON MD.-VA.
VIMS CHART # 172
AA3
BA4
CA3
DA4
EA3
FA3
GA4
HA4
3208000
93440
1410000
60550
577600
45390
1008000
246400
AA4
BA4
CA4
DA3
EA4
FA4
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
341300
16480
1519000
97730
93830
10680
0
0
97730
1981290
2079020
CHINCOTEAGUE EAST VA.
VIMS CHART # 175
AA3
TOTAL AREA
DENSITY 1 =
DENSITY 2 =
DENSITY 3 =
DENSITY 4 =
TOTAL
4010000
0
0
4010000
0
4010000
TOTAL AREA
DENSITY
DENSITY
DENSITY
DENSITY 4 =
TOTAL
0
0
5240990
1408390
6649380
247
------- |