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Legend (Chesapeake/MarshManagement)

fishnet90m_BayAndWetlands_500m (0)
Nuisence Flooding (1)
Impervious Surface (2)
Ditch Metric (3)
0.000000 - 0.001400 0.000000 - 0.001400
0.001401 - 0.004400 0.001401 - 0.004400
0.004401 - 0.008300 0.004401 - 0.008300
0.008301 - 0.026800 0.008301 - 0.026800
0.026801 - 0.029100 0.026801 - 0.029100
Erosion (4)
High Vulnerability High Vulnerability
Very High Vulnerability Very High Vulnerability
Sediment (5)
6.031400 - 11.488080 6.031400 - 11.488080
11.488081 - 16.944760 11.488081 - 16.944760
16.944761 - 20.000000 16.944761 - 20.000000
20.000001 - 22.401440 20.000001 - 22.401440
22.401441 - 33.314800 22.401441 - 33.314800
Water Quality (6)
Fragmentation (7)
0.004179 - 0.094964 0.004179 - 0.094964
0.094965 - 0.158262 0.094965 - 0.158262
0.158263 - 0.242000 0.158263 - 0.242000
0.242001 - 0.480195 0.242001 - 0.480195
0.480196 - 0.959145 0.480196 - 0.959145
Slope (8)
< 4.999% < 4.999%
> 5% > 5%
MD Stabilization Structures (10)
Marina Marina
Marina <50 slips Marina <50 slips
Marina >50 slips Marina >50 slips
VA Stabilization Structures (11)
Marina <50 slips Marina <50 slips
Marina >50 slips Marina >50 slips
MD Stabilization Structures (13)
Bulkhead Bulkhead
VA Stabilization Structures (14)
Bulkhead Bulkhead
EPR 1937 and 2009 (16)
High Accretion: +10 to +5 (ft/yr) High Accretion: +10 to +5 (ft/yr)
High Erosion: -5 to -10 (ft/yr) High Erosion: -5 to -10 (ft/yr)
Low Accretion: +2 to +1 (ft/yr) Low Accretion: +2 to +1 (ft/yr)
Low Erosion: -1 to -2 (ft/yr) Low Erosion: -1 to -2 (ft/yr)
Medium Accretion: +5 to +2 (ft/yr) Medium Accretion: +5 to +2 (ft/yr)
Medium Erosion: -2 to -5 (ft/yr) Medium Erosion: -2 to -5 (ft/yr)
Very High Accretion: > +10 (ft/yr) Very High Accretion: > +10 (ft/yr)
Very High Erosion:< -10 (ft/yr) Very High Erosion:< -10 (ft/yr)
Very Low Accretion: +1 to 0 (ft/yr) Very Low Accretion: +1 to 0 (ft/yr)
Very Low Erosion: 0 to -1 (ft/yr) Very Low Erosion: 0 to -1 (ft/yr)
EPR 1937/38 and 2017 (17)
High Erosion: -5 to -10 (ft/yr) High Erosion: -5 to -10 (ft/yr)
Low Accretion: +2 to +1 (ft/yr) Low Accretion: +2 to +1 (ft/yr)
Low Erosion: -1 to -2 (ft/yr) Low Erosion: -1 to -2 (ft/yr)
Medium Erosion: -2 to -5 (ft/yr) Medium Erosion: -2 to -5 (ft/yr)
Very Low Accretion: +1 to 0 (ft/yr) Very Low Accretion: +1 to 0 (ft/yr)
Very Low Erosion: 0 to -1 (ft/yr) Very Low Erosion: 0 to -1 (ft/yr)
Shoreline Change (18)
High, > -8.00 ft/yr High, > -8.00 ft/yr
Moderate, -4.00 to -8.00 ft/yr Moderate, -4.00 to -8.00 ft/yr
Low, -2.00 to -4.00 ft/yr Low, -2.00 to -4.00 ft/yr
Slight, -0.01 to -2.00 ft/yr Slight, -0.01 to -2.00 ft/yr
No change, -0.01 to 0.01 ft/yr No change, -0.01 to 0.01 ft/yr
Accretion, > 0.01 ft/yr Accretion, > 0.01 ft/yr
<all other values> <all other values>
Pools_ponds_UVVR (19)
-1.000000 - 0.750000 -1.000000 - 0.750000
0.750001 - 1401.500226 0.750001 - 1401.500226
Invasive Species (21)
Phragmites australis Phragmites australis
Invasive Species (22)
Phragmites australis Phragmites australis
Saltmarsh Sparrow (23)
Chesapeake Bay Terrapin Habitat (24)
beach beach
cross connector cross connector
cross connector / vegetated cross connector / vegetated
structure structure
vegetated vegetated
waters edge waters edge
Submerged Aquatic Vegetation (25)
Chesapeake Bay Benthic Habitat (26)
Man-Made Oyster Reef Man-Made Oyster Reef
Man-Made Oyster Rubble Man-Made Oyster Rubble
Natural Oyster Hash Natural Oyster Hash
Natural Oyster Reef Natural Oyster Reef
Natural Oyster Rubble Natural Oyster Rubble
Elevationally Vulnerable Wetlands (27)
Marshes (28)