2,717 datasets found for "ecosystems"
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Federal
EnviroAtlas - Washington, DC - Tree Cover Configuration and Connectivity
U.S. Environmental Protection Agency —
This EnviroAtlas dataset categorizes forest land cover into structural elements (e.g. core, edge, connector, etc.). In this community, tree cover is defined as Trees... -
Federal
EnviroAtlas - Philadelphia, PA - Greenspace Around Schools by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas data set shows the number of schools in each block group in the EnviroAtlas community boundary as well as the number of schools where less than 25%... -
Federal
EnviroAtlas - Stream Confluence Dataset - Land cover attributes for stream confluence watersheds for the Conterminous United States - 2011
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains land cover proportions for the upstream watersheds of stream confluences for 2011. Stream confluences are important components of... -
Federal
EnviroAtlas - Commute Time to Work by Census Block Group for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset portrays the commute time of workers to their workplace for each Census Block Group (CBG) during 2008-2012. Data were compiled from the... -
Federal
EnviroAtlas - Woodbine, IA - Estimated Percent Green Space Along Walkable Roads
U.S. Environmental Protection Agency —
This EnviroAtlas dataset estimates green space along walkable roads. Green space within 25 meters of the road centerline is included and the percentage is based on... -
Federal
NACP Integrated Wildland and Cropland 30-m Fuel Characteristics Map, U.S.A., 2010
National Aeronautics and Space Administration —
The data set provides a 30-m comprehensive fuelbed characteristics map for both the wildland and cropland areas of the conterminous United States (CONUS) for 2010.... -
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
North Carolina Seagrass Submersed Rooted Vasculars 1990 Substrate
National Oceanic and Atmospheric Administration, Department of Commerce —
A GIS data set of polygon data interpreted from aerial photography taken by NOAA/NOS Photogrammetry Branch depicting areas of Aquatic Beds of Rooted Vascular Plants... -
Federal
Blue whale at-sea density off California
National Oceanic and Atmospheric Administration, Department of Commerce —
The Office of National Marine Sanctuary (ONMS) updates and revises the management plans for each of its 13 sanctuaries. This process, which is open to the public,... -
Federal
Level IV Ecoregions of Florida
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 - New Haven, CT - Potential Window Views of Water by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the block group population and the percentage of the block group population that has potential views of water bodies. A potential... -
Federal
EnviroAtlas - Minneapolis/St. Paul, MN - Near Road Tree Buffer
U.S. Environmental Protection Agency —
This EnviroAtlas dataset addresses the tree buffer along heavily traveled roads. The roads are interstates, arterials, and collectors within the EnviroAtlas community... -
Federal
EnviroAtlas - New Haven, CT - Historic Places by Census Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset portrays the total number of historic places located within each Census Block Group (CBG). The historic places data were compiled from the... -
Federal
EnviroAtlas -- Portland, OR -- Meter-Scale Urban Land Cover (MULC) Data (2012)
U.S. Environmental Protection Agency —
The EnviroAtlas Portland, OR Meter-Scale Urban Land Cover (MULC) dataset includes data for the Portland metropolitan area plus the city of Vancouver, Washington and... -
Federal
Caernarvon 2001
National Oceanic and Atmospheric Administration, Department of Commerce —
Sampled marshes and ponds along two transects within the intermediate and brackish marsh zones of Breton Sound, Louisiana, from May 7-11, 2001. Sampling followed... -
Federal
EnviroAtlas - Birmingham, AL - Green Space Proximity Gradient
U.S. Environmental Protection Agency —
In any given 1-square meter point in this EnviroAtlas dataset, the value shown gives the percentage of square meters of greenspace within 1/4 square kilometer... -
Federal
EnviroAtlas - Austin, TX - Atlas Area Boundary
U.S. Environmental Protection Agency —
This EnviroAtlas dataset shows the boundary of the Austin, TX Atlas Area. It represents the outside edge of all the block groups included in the EnviroAtlas Area.This... -
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
Level III Ecoregions of Nebraska
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
Spring Bottom Trawl Survey
National Oceanic and Atmospheric Administration, Department of Commerce —
The standardized NEFSC Spring Bottom Trawl Survey was initiated in 1968 and covered an area from Cape Hatteras, NC, to Nova Scotia, Canada, at depths >27m....
2,717 datasets found for "ecosystems"