443 datasets found
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Federal
Level III Ecoregions of Tennessee
U.S. Environmental Protection Agency —
Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and... -
Federal
U.S. Level III and IV Ecoregions (U.S. EPA)
U.S. Environmental Protection Agency —
This map service displays Level III and Level IV Ecoregions of the United States and was created from ecoregion data obtained from the U.S. Environmental Protection... -
Federal
EnviroAtlas - Rare Ecosystems in the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset identifies rare ecosystems using base landcover data from the USGS GAP Analysis Program (Version 2, 2011) combined with landscape ecology... -
Federal
ATTAINS Assessments
U.S. Environmental Protection Agency —
State water quality assessment decisions reported to EPA under the Integrated Report (IR), and Clean Water Act Sections 303(d) and 305(b). This service provides... -
Federal
Atlantic Offshore Seabird Dataset Catalog, Atlantic Coast and Outer Continental Shelf, from 1938-01-01 to 2013-12-31 (NCEI Accession 0115356)
National Oceanic and Atmospheric Administration, Department of Commerce —
Several bureaus within the Department of Interior compiled available information from seabird observation datasets from the Atlantic Outer Continental Shelf into a... -
Federal
Level IV Ecoregions of Texas
U.S. Environmental Protection Agency —
Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and... -
Federal
EnviroAtlas - Annual average potential wind energy resource by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset shows the annual average potential wind energy resource in kilowatt hours per square meter per day for each 12-digit Hydrologic Unit (HUC).... -
Federal
Low Marsh at St. Jones, DE, Lower Delaware Bay, Intermediate Sea Level Rise Scenario, “Protect Developed Dry Land” model protection scenario, EPA ORD NCEA
U.S. Environmental Protection Agency —
This raster GIS dataset contains 5-meter-resolution cells depicting the areas of LOW marsh gain (value=1), lost (value=-1) and remaining (no change; value=0). Low... -
Federal
Omernik's Level III Ecoregions Of The Conterminous United States NGDA
U.S. Environmental Protection Agency —
Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources. They are designed to serve as a spatial... -
Federal
EnviroAtlas - Austin, TX - Land Cover by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of each block group that is classified as impervious, forest, green space, and agriculture. Forest is defined as... -
Federal
EnviroAtlas - Salt Lake City, UT - 15m Riparian Buffer Forest Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 15-m riparian buffer that is forested. In this community, tree cover is defined as Trees & Forest, and... -
Federal
EnviroAtlas - HU12_polygon
U.S. Environmental Protection Agency —
This data set is a complete digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the entire United States. This data set consists of... -
Federal
EnviroAtlas - Paterson, NJ - 15m Riparian Buffer Vegetated Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 15-m riparian buffer that is vegetated. There is a potential for decreased water quality in areas where the... -
Federal
EnviroAtlas - Washington, DC - Riparian Buffer Land Cover by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of forested, vegetated, and impervious land within 15- and 50-meters of hydrologically connected streams, rivers,... -
Federal
EnviroAtlas - Portland, ME - 15m Riparian Buffer Forest Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 15-m riparian buffer that is forested. There is a potential for decreased water quality in areas where the... -
Federal
EnviroAtlas - National Biodiversity Ecosystem Services Metrics by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains species richness metrics based on habitat models generated by the U.S. Geological Survey (USGS) National Gap Analysis Project (GAP).... -
Federal
Level III Ecoregions of Virginia
U.S. Environmental Protection Agency —
Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and... -
Federal
Level IV Ecoregions of Tennessee
U.S. Environmental Protection Agency —
Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and... -
Federal
Level III Ecoregions of EPA Region 4
U.S. Environmental Protection Agency —
Ecoregions by EPA region were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality,... -
Federal
EnviroAtlas - 2019 Land Cover Proportions by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset represents the percentage of land area that is classified as natural, forest, wetland, agricultural, and developed land cover using the 2019...
443 datasets found