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National Wetlands Inventory for Delaware 2009


Authors: U.S. Fish and Wildlife Service
Owners: Delaware River Watershed Initiative
Resource type:Composite Resource
Created:Nov 17, 2018 at 6:29 p.m.
Last updated: Nov 17, 2018 at 6:29 p.m. by Delaware River Watershed Initiative

Abstract

This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the conterminous United States. 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 data is hosted at, and may be downloaded or accessed from PASDA, the Pennsylvania Spatial Data Access Geospatial Data Clearinghouse http://www.pasda.psu.edu/uci/DataSummary.aspx?dataset=1453

Subject Keywords

wetlands,bogs,hydrography,fens,swamps,marshes,deepwater habitats,surface water

How to cite

U.S. Fish and Wildlife Service (2018). National Wetlands Inventory for Delaware 2009, HydroShare, http://www.hydroshare.org/resource/8bb0583855cc459789fdeff70f60e2ef

This resource is shared under the Creative Commons Attribution CC BY.

 http://creativecommons.org/licenses/by/4.0/
CC-BY

Sharing status:

  • Public Resource  Public
  • Sharable Resource  Shareable

Coverage

Spatial:

 Coordinate System/Geographic Projection:  WGS 84 EPSG:4326
 Coordinate Units:  Decimal degrees
North Latitude
41.8853°
East Longitude
-71.6818°
South Latitude
34.5973°
West Longitude
-77.3825°

Content

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Authors

The people or organizations that created the intellectual content of the resource.

Name Organization Address Phone Author Identifiers
U.S. Fish and Wildlife Service

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