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The National Wetlands Inventory (NWI) was established by the United States Fish and Wildlife Service (FWS) to conduct a nationwide inventory of U.S. wetlands to provide biologists and others with information on the distribution and type of wetlands to aid in conservation efforts.
The wetland status of 7,000 plants is determined upon information contained in a list compiled in the National Wetland Inventory undertaken by the U.S. Fish and Wildlife Service and developed in cooperation with a federal inter-agency review panel (Reed, 1988). The National List was compiled in 1988 with subsequent revisions in 1996 and 1998.
The wetlands data layer is increasing in size each year primarily due to existing analog data being converted to vector or raster images. Contributed data from the U.S. Army Corps of Engineers Regulatory Database (ORM2), [10] other federal, state and local organizations is also increasing. More and newer data will need to come from other ...
The National Wetlands Research Center (NWRC) was founded in 1975 as part of the U.S. Fish and Wildlife Service's (USFWS) Office of Biological Services. Its headquarters are located in Lafayette, Louisiana .
Wetlands of the United States are classified according to the U.S. Fish and Wildlife Service's National Wetlands Inventory (NWI). [ 5 ] In the US, the best known classification systems are the Cowardin classification system and the hydrogeomorphic (HGM) classification system.
GIS data for Sweden; Name License Description; Geodataportalen: Various: National geoportal organized by Lantmäteriet, the national geoinformation agency, indexing geodata from various agencies. Länsstyrelsernas geodatakatalog: Various: Geoportal from the counties, indexing geodata primarily used as basis for regional development and decisions.
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Subchapter IV 16 U.S.C § 3931 – 3932 dealt with the National Wetlands Inventory Project and Reports to Congress. Section 3931 instructed the Secretary along with the Director of the United States Fish and Wildlife Service to continue the Inventory Project of the National Wetlands. By September 30, 1988 the maps were to be completed for the ...