View In:   ArcGIS Online Map Viewer

Parent Layer: Ches. Bay Preservation District and Non Tidal features

Name: Non Tidal Wetlands from National Wetlands Inventory

Display Field: ATTRIBUTE

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the United States and its Territories. These data delineate the areal extent of wetlands and surface waters as defined by Cowardin et al. (1979). Certain wetland habitats are excluded from the National mapping program because of the limitations of aerial imagery as the primary data source used to detect wetlands. These habitats include seagrasses or submerged aquatic vegetation that are found in the intertidal and subtidal zones of estuaries and near shore coastal waters. Some deepwater reef communities (coral or tuberficid worm reefs) have also been excluded from the inventory. These habitats, because of their depth, go undetected by aerial imagery. By policy, the Service also excludes certain types of "farmed wetlands" as may be defined by the Food Security Act or that do not coincide with the Cowardin et al. definition. Contact the Service's Regional Wetland Coordinator for additional information on what types of farmed wetlands are included on wetland maps. This dataset should be used in conjunction with the Wetlands Project Metadata layer, which contains project specific wetlands mapping procedures and information on dates, scales and emulsion of imagery used to map the wetlands within specific project boundaries.

Service Item Id: fc881c26761249f79212b9bb21c666ef

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YMin: 4434675.776035086
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Label Expression: [WETLAND_TY]
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Type ID Field:

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Templates:

• Name: Non Tidal Wetlands from National Wetlands Inventory
  Description:
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