Baltimore County Department of Environmental Protection and Resource Management
Citizen
Chesapeake College
District of Columbia Fisheries and Wildlife Division
Maryland Coastal Bays Program
Maryland Department of Natural Resources
Maryland Environmental Service
Multiple Surveyors
National Oceanic and Atmospheric Administration
National Park Service
United States Fish and Wildlife Service
University of Maryland Center for Environmental Science
United States Geological Survey
University of Virginia
Virginia Department of Game and Inland Fisheries
Virginia Institute of Marine Science
2010 SAV Density Class Key
0 - 10%
10- 40%
40 - 70%
70 - 100%
2010 Comparison Map Key
2010 SAV
2009 SAV
SAV both years
Regions that were not fully mapped in 2009
Each bed is identified with an unique two letter (A,B,C,...,AA,BA,CA,...) and one number (1-4) designation. The numbers represent the density classification discussed in the text, i.e., 1 = <10%; 2= 10-40%; 3= 40-70%; 4= 70-100%.