Shad Abundance (2007)

Ecosystem Health Assessment

Susquehanna
0.01%

(York Haven Dam)

Note:

Data for the York and Potomac Rivers were
provided by the Virginia Institute of Marine
Science via an ongoing Catch per Unit
Effort (CPUE) study involving American
Shad gill-netting. Data for the Susquehanna
and James Rivers represent published
fishway passage values for York Haven and
Boshers Dams, respectively.

y

Chesapeake Bay Program
A Watershed Partnership

Potomac
67%

Ncmticoke River

James
0.02%

(Boshers Dam)

Data Sources: Fishway Passage Data from
Conowingo and Boshers Dams, VIMS CPUE gill-
netting data

For more information, visit www.chesapeakebay.riet
Disciaimer: www.chesapeakebay.netAermsofuse.htm

Ontario





r nyj

OH

* ,



PA



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DCr

KnjJ



VA







NC



Atlantic
Ocean

A Salisbury

Wicomico River

'ocomoke River

Baywide Weighted
Index - Percent of
Goal Achieved (22%)

0	15 30	60 Kilometers

	1	i	i	i	I	i	i	i	I

I i i i I i i i I

0 10 20	40 Miles

Created by JW, 5/2/08

UTM Zone 18N, NAD 83

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