Phytoplankton (Index of Biological Integrity) (2007) Percent of Goal Achieved Chesapeake Bay Program A Watershed Partnership O C&D Canal Baltimore Upper Chester Q River Upper Potomac River O Upper Nanticoke River Salisbury Upper Rappahannock River Q Richmond Upper James River (J - Appomattox River O Data Sources: Chesapeake Bay Program For more information, visit www.chesapeakebay.net Disciaimer: www.chesapeakebay.netAermsofuse.htm Ontario -y'"d r nyj OH ^ , PA wy )-MD DCr VA NC Atlantic Ocean Upper Pocomoke River O O Middle Pocomoke River Upper Pamunkey River O. Chesapeake Bay Segment Percent Passing IBI Goal 0% - 20% 21% -40% 41%-60% 61%-80% 81%- 100% __ No Data O Lynnhaven River c , x Norfolk Eastern Branch O Lafayette River Southern Elizabeth ? . 12,5 , f , , , TKilometers River I I I I I I I I I r i 1 1 T 12.5 25 i—i—r Created by KJH, 3/26/08 50 Miles M UTM Zone 18N, NAD 83 ------- |