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Federal
Mean annual population growth rate and ratio change in abundance of common raven within level II ecoregions of the United States and Canada, 1966 - 2018 recent views
Department of the Interior —
These data identify the mean annual population growth rate and ratio change in abundance of common raven (Corvus corax; ravens) populations from 1966 through 2018. -
Federal
A gridded database of the modern distributions of climate, woody plant taxa, and ecoregions for the continental United States and Canada recent views
Department of the Interior —
On the continental scale, climate is an important determinant of the distributions of plant taxa and ecoregions. To quantify and depict the relations between specific... -
Federal
National Aquatic Resource Survey Rivers and Streams Data recent views
U.S. Environmental Protection Agency —
Data are from 1,000 river and stream sites across the conterminous US where consistent biological, chemical, physical and watershed data were gathered. The sites were... -
Federal
Simulated annual area burned for eleven extensively forested ecoregions in the western United States for 1980 – 2099 recent views
Department of the Interior —
This data release provides output produced by a statistical, aridity threshold fire model for 11 extensively forested ecoregions in the western United States. We... -
Federal
Mean annual population growth rate and ratio change in abundance of common raven within level I ecoregions of the United States and Canada, 1966 - 2018 recent views
Department of the Interior —
These data identify the mean annual population growth rate and ratio change in abundance of common raven (Corvus corax; ravens) populations from 1966 through 2018. -
Federal
Study Boundary for the U.S. Geological Survey Southeast Stream Quality Assessment recent views
Department of the Interior —
In 2015, the second of several Regional Stream Quality Assessments (RSQA) was done in the southeastern United States. The Southeast Stream Quality Assessment (SESQA)... -
Federal
Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: Level 3 EcoRegions (North American Designations) recent views
Department of the Interior —
This tabular data set represents the percent of United States Environmental protection Agency's (U.S. EPA) Level 3 Regions compiled for two spatial components of the... -
Federal
Study Boundary for the U.S. Geological Survey Midwest Stream Quality Assessment recent views
Department of the Interior —
In 2013, the first of several Regional Stream Quality Assessments (RSQA) was done in the Midwest United States. The Midwest Stream Quality Assessment (MSQA) was a... -
Federal
marine survival ecosystem indicators - Estimating the ecosystem indicators of anadromous salmonids in the Puget Sound region recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The objective of this project is to develop a simple approach for estimating the marine survival and causes of trends in survival. Data is a summary of ecosystem... -
Federal
Oceanographic and physiological parameters relating to Heterosigma akashiwo in Puget Sound - The Ecophysiology and Toxicity of Heterosigma akashiwo in Puget Sound: A Living Laboratory Ecosystem Approach recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Over one half of the worlds fish production for human consumption currently comes from aquaculture, while wild fisheries yields are either stable or declining.... -
Federal
Ecological Subsections Map of Bering Land Bridge National Preserve recent views
Department of the Interior —
Ecological Subsection mapping product for Bering Land Bridge National Preserve. -
Federal
Trend estimates of common raven populations in the United States and Canada, 1966 - 2018 recent views
Department of the Interior —
These data identify the mean population growth rate and ratio change in abundance of common raven (Corvus corax; ravens) populations from 1966 through 2018,... -
Federal
U.S. Level III and IV Ecoregions (U.S. EPA) recent views
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...