Datasets > Vector data > Pennsylvania > 2015-2019

National Wetlands Inventory [Pennsylvania] {2017}

U.S. Fish and Wildlife Service · 2017 Full Details

Full Details

Title
National Wetlands Inventory [Pennsylvania] {2017}
Description
This data set represents the extent, status, and location of National Wetland Inventory wetland mapping projects for NWI Version 2, Surface Waters and Wetlands. Each project polygon contains information on the type and date of imagery used to map the wetlands and a link to a document about specific mapping techniques and habitat information for that project. Some polygons have been updated in 2017 others not for quite some time. The user need to check the date of each wetland polygon for update years. 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.
Creator
U.S. Fish and Wildlife Service
Date Issued
2017
Access Rights
Public
Format
File
Language
English
Date Added
February 22, 2023

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Cite and Reference

  • Citation
    U.S. Fish and Wildlife Service (2017). National Wetlands Inventory [Pennsylvania] {2017}. . https://www.pasda.psu.edu/uci/DataSummary.aspx?dataset=1457 (dataset)
  • BTAA Geoportal Link

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