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Federal
Administrative Boundaries Centroids of National Park System Units NGDA
Department of the Interior —
National Park Service unit points. -
Federal
Great Smoky Mountains National Park Water Areas
Department of the Interior —
The National Hydrography Dataset (NHD) and Watershed Boundary Dataset (WBD) are used to portray surface water on The National Map. The NHD represents the drainage... -
Federal
Hydrographic and Impairment Statistics Database: GRBA
Department of the Interior —
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in... -
Federal
Great Smoky Mountains National Park Brook Trout Genetics
Department of the Interior —
These data depict the locations (only) of all Brook Trout Genetics study sites in the park. Great Smoky Mountains National Park (GRSM) is committed to monitoring... -
Federal
Great Smoky Mountains National Park Fish Index of Biotic Integrity
Department of the Interior —
These data show the location (only) of Fish IBI study and monitoring sites within the park. The IBI provides a consistent theoretical framework for analyzing fish... -
Federal
Fish Sampling in Gates of the Arctic National Park and Preserve, July, 2005
Department of the Interior —
The National Park Service’s Arctic Inventory and Monitoring Network (ARCN) encompasses five park units in northwestern Alaska: Bering Land Bridge National Preserve,... -
Federal
Spatially explicit modeling of coastal vegetation change associated with projected sea level rise: The Potomac estuary
Department of the Interior —
Coastal environments are expected to respond to rising sea levels through migration inland. This process is limited by the availability of corridors of sufficiently...