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This data set maps sagebrush mortality in Utah delineated by Utah Division of Wildlife Resources personnel during the summer of 2003.
Map containing historical census data from 1900 - 2000 throughout the western United States at the county level. Data includes total population, population density, and percent population change by decade for each county. Population data was obtained from the US Census Bureau and joined to 1:2,000,000 scale National Atlas counties shapefile.
Communication antenna towers registered with the U.S. Federal Communications Commission's Antenna Structure Registration (ASR) program. The FCC requires that all towers >200 ft tall and towers <200 ft that are positioned in the glide path of an airport be registered with the FCC ASR program. Therefore, this data set does not necessarily depict all communication antennas actually present on the landscape. The source data are updated weekly by the FCC as new permits are issued. However, this data set is designed for a specific analysis, and is planned to remain static as of the publication date (11/06/2003).
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Communication antenna towers recorded by the U.S. Federal Communications Commission's International Bureau Filing System (IBFS) - 47 CFR Parts 73/74, 23 and 25 (Earth Stations). Note that not all antennas and towers are required to be registered with the FCC. Therefore, this data set does not necessarily depict ALL communication features actually present on the landscape. The source data are updated daily by the FCC as new permits are issued. However, this data set is designed for a specific analysis, and is planned to remain static as of the publication date (11/06/2003).
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Greater sage-grouse population components devrived using an 18-km maximum connection distance. Analysis was conducted using the CONEFOR SENSINODE 2.2 software package and this dataset was developed from lek data obtained from the state wildlife agencies. Components containing < 5 leks have been removed in order to protect the location of single or small groups of leks.
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This GIS dataset is the primary data product produced for the NW Climate Science Center-funded project, "Rangewide climate vulnerability assessment for threatened Bull Trout" (FRESC Study ID 851). We used predictions of temperatures in streams across approximately two-thirds of the species' range in the U.S. to map coldwater streams or “patches” suitable for spawning and early rearing of Bull Trout. Each patch consists of streams with contiguous reaches of cold water. Patches were delineated using medium resolution National Hydrography Dataset streams containing modeled temperatures available at 1 km intervals, as provided by the NorWeST project (http://www.fs.fed.us/rm/boise/AWAE/projects/NorWeST.html).Once the...
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Ecoregions are based on perceived patterns of a combination of causal and integrative factors including land use, land surface form, potential natural vegetation, and soils (Omernik, 1987).
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This map depicts the distribution of existing vegetation types contained in the LANDFIRE dataset. All 30-meter EVT grids were resampled to 90-meter grids and merged to create the final product.
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This map layer shows polygons of average annual precipitation in thecontiguous United States, for the climatological period 1961-1990.Parameter-elevation Regressions on Independent Slopes Model (PRISM)derived raster data is the underlying data set from which the polygonsand vectors were created. PRISM is an analytical model that uses pointdata and a digital elevation model (DEM) to generate gridded estimatesof annual, monthly and event-based climatic parameters.
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This metadata references the polygonal ARC/INFO GIS cover showing the current and historic distribution of potential habitat, or range, of the Greater Sage-grouse (Centrocercus urophasianus) and Gunnison Sage-grouse (Centrocercus minimus) in Western North America. This data was initially researched and compiled by Dr. Michael A. Schroeder, research biologist for the Washington State Department of Fish and Wildlife. The initial draft of current and historic range data was mapped and submitted to state, federal, or provincial natural resource agencies and other experts for review, comment, and editing. The final product represents the best available science and expert review available at the time of compilation.Definition...
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This layer represents lines which have been proposed (per the requirements of Section 368 of the Energy Policy Act of 2005) as West-wide energy corridor centerlines for the final "Programmatic Environmental Impact Statement, Designation of Energy Corridors on Federal Land in the 11 Western States", November 2008.
Density of linear features, such as roads, power lines, telephone lines, and railroad tracks have been shown to influence synanthropic predator abundance patterns (Knight et al. 1995). Following Knight et al. (1995), we used linear features such as roads, railroads, and power line spatial data sets, but also included irrigation canals, to build a linear features spatial data set. However, we lacked spatial data on telephone and feeder-power lines and therefore our linear feature spatial data set vastly underestimates the number of linear features in some areas.
Cellular phone microwave towers registered with the U.S. Federal Communications Commission. Not all antennas are required to be registered with the FCC, therefore, this data set does not necessarily depict all cellular phone communication towers actually present on the landscape. The source data are updated weekly by the FCC as new permits are issued. However, this particular data set is designed for a specific analysis, and is planned to remain static as of the publication date (7/22/2007).
A complete set of wells associated with oil, natural gas, and coal bed natural gas development in the western states as of June 2004. This is a static dataset even though liquid energy development is a highly dynamic endeavor. Because these well location datasets are generally housed and managed by various state-based agencies (typically the state Oil and Gas Conservation Commissions) a uniform, spatially precise coverage for the western United States has not been available to date. This layer consolidates the best available well location data from ND, SD, MT, WY, CO, NM, UT, AZ, OR, and CA (ID and WA do not report any liquid energy development) and standardizes the attributes. While static as of June 2004 the well...
map background search result map search result map Oil and Natural Gas Wells, Western U.S. ASR_towers_sgca Proportion of Conifer Forest Land Cover (3-km scale) in the Wyoming Basins Ecoregional Assessment area Communication Towers in the US All Interstates in the Western United States Proportion of Juniper Land Cover (18-km scale) in the Wyoming Basins Ecoregional Assessment area Proportion of Low and Black Sagebrush Land Cover (5-km scale) in the Wyoming Basins Ecoregional Assessment area Juniper Land Cover in the Wyoming Basins Ecoregional Assessment area LANDFIRE (90m) Existing Vegetation Type Density of Line Features in the Western United States Aquatic Ecoregions of the Conterminous United States Average Annual Precipitation (PRISM model) 1961 - 1990 Sagebrush Mortality in Utah - 2003 Distribution of the Sage-grouse in North America sec368centerline Sage Grouse Lek Components (2003-2007) Stream patches of suitable Bull Trout habitat and associated patch variables Human Population in the Western United States (1900 - 2000) All Roads in the Western United States Sagebrush Mortality in Utah - 2003 Stream patches of suitable Bull Trout habitat and associated patch variables Proportion of Conifer Forest Land Cover (3-km scale) in the Wyoming Basins Ecoregional Assessment area Proportion of Juniper Land Cover (18-km scale) in the Wyoming Basins Ecoregional Assessment area Proportion of Low and Black Sagebrush Land Cover (5-km scale) in the Wyoming Basins Ecoregional Assessment area Juniper Land Cover in the Wyoming Basins Ecoregional Assessment area Sage Grouse Lek Components (2003-2007) Distribution of the Sage-grouse in North America sec368centerline Density of Line Features in the Western United States All Interstates in the Western United States All Roads in the Western United States Human Population in the Western United States (1900 - 2000) Oil and Natural Gas Wells, Western U.S. LANDFIRE (90m) Existing Vegetation Type Average Annual Precipitation (PRISM model) 1961 - 1990 Aquatic Ecoregions of the Conterminous United States ASR_towers_sgca Communication Towers in the US