Legend (SAM/ShorelineAssessmentMapper)

Oyster aquaculture vulnerability (0) No Threat Minimal Risk Existing Water Quality Issues Present Significant Use Conflicts Exist Clam aquaculture vulnerability (1) No Threat Minimal Risk Existing Water Quality Issues Present Significant Use Conflicts Exist 2009 aquaculture beds (2) 2013 aquaculture beds (3) Permit sites (4) Aquaculture sites (5) Outfalls (6) Shoreline access structures (7) boathouse dilapidated dock dock ramp Shoreline (8) Hydrology (9) Shoreline land use (10) agriculture bare commercial detached marsh educational/school forest grass industrial marsh island military paved residential scrub-shrub timbered Bank height (11) 0-5 ft 5-30 ft >30 ft Bank cover (12) bare partial total Marsh buffer (13) see new tidal marsh inventory yes Beaches (14) Shoreline protection structures (15) breakwater bulkhead debris dilapidated bulkhead groin field jetty marsh toe revetment miscellaneous riprap seawall shipyard unconventional Wharfs (16) Marinas (17) Public parks and wildlife areas (18) Intertidal flats (19) Bathymetry (20) < 0.5 m 0.5 - 1.0 m 1.0 - 2.0 m > 2.0 m National Wetlands Inventory (21) estuarine intertidal lacustrine palustrine riverine New tidal marsh inventory (22) Type I – Saltmarsh Cordgrass / low marsh Type II – Saltmeadow / high marsh Type III – Black Needlerush Type IV – Saltbush Type IX – Yellow Pond Lily Type V - Big Cordgrass Type VI - Cattail Type VII – Arrow Arum – Pickerel Weed Type VIII – Reed Grass Type XI - Freshwater Mix Type XII - Brackish Mix not surveyed Historical tidal marsh inventory (23) 2017 SAV (24) 0 - 10% 10 - 40% 40 - 70% 70 - 100% SAV habitat (25) SAV sanctuary in Chincoteague Bay (26) Private oyster ground leases (27) Bottom type (28) oyster rock shell shell and sand buried shell sand sand and mud clay gravel stones occupied barren bottom uncoded not surveyed Oyster reefs (29) Baylor grounds (30) Open water (31) Locality labels (32) Localities (33)