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Proportion of Sagebrush Land Cover (5-km scale) in the western US This map was developed to examine multi-scale spatial relationships between percentage of sagebrush and other response variables of interest. A map of sagebrush in the western United States was used as a base layer for a moving window analysis to calculate the percentage of the area classified as sagebrush within a 5-km search radius. Provides 5-km scale proportion of sagebrush land cover for use in examining multi-scale relationships. Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Arizona, California, Colorado, Distribution, Distribution, All tags... Ecological System, Ecological System, Exisiting Vegetation, Exisiting Vegetation, Idaho, Montana, Nevada, New Mexico, North Dakota, Oregon, South Dakota, United States, Utah, Washington, Wyoming, western United States, western United States, Fewer tags Aquatic Ecoregions of the Conterminous United States 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). Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Aquatic, Conterminous, Ecoregion, Ecoregions, Omernik, All tags... Omernik's, US, USA, United States, Fewer tags Proportion of Non-Sage-grouse Habitat Within an 18-km Radius This map depicts the proportion of non-Sage-grouse habitat with 18km of each pixel. The map was produced using a moving window analysis on the Distribution of Non-Sage Grouse Habitat in the Conservation Assessment Area with a search radius of 18km. The product of the moving window was the mean pixel value within the window. This map has a 540m resolution. Tags: Alberta, Arizona, Biology and Ecology, Bird Conservation, British Columbia, All tags... California, Canada, Centrocercus, Colorado, Conservation Assessment, Distribution, Environmant and Conservation, Habitat, Idaho, Land Cover, Montana, Nebraska, Nevada, New Mexico, Non-habitat, North America, North Dakota, Oregon, Sage-grouse, Saskatchewan, South Dakota, United States, Utah, Washington, Wyoming, urophasianus, Fewer tags powerlines_WUS_CAN_sgca Powerlines in the western United States and Canada as identified by the 22 source data layers used to compile this shapefile. Source data were collected by personal contact or through the internet in the winter and spring of 2004 and assimilated using ArcGIS. This file is a complete record of overhead powerline data that was avaliable as of 5/15/2004 but IS NOT INTENDED TO BE A COMPLETE REPRESENTATION OF THE SUM TOTAL OF ALL POWERLINES ON THE GROUND. These data primarily depict the higher voltage, long distance transmission lines but some arcs likely represent lower voltage distribution lines. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Alberta, Arizona, British Columbia, California, Canada, All tags... Colorado, Electrical lines, Electricity, Idaho, Infrastructure, Montana, Nevada, New Mexico, North America, North Dakota, Oregon, Power lines, Powerlines, Saskatchewan, South Dakota, Telephone Lines, Transmission Lines, United States, Utah, Utilities, Utilities and Communications, Utility Lines, Washington, Wyoming, Fewer tags The Human Footprint in the West Humans have dramatically altered wildlands in the western United States over the past 100 years by using these lands and the resources they provide. Anthropogenic changes to the landscape, such as urban expansion, construction of roads, power lines, and other networks and land uses necessary to maintain human populations influence the number and kinds of plants and wildlife that remain. We developed the map of the human footprint for the western United States from an analysis of 14 landscape structure and anthropogenic features: human habitation, interstate highways, federal and state highways, secondary roads, railroads, irrigation canals, power lines, linear feature densities, agricultural land, campgrounds, highway... Tags: Anthropogenic, Arizona, California, Colorado, Conservation Assessment, All tags... Disturbance, Footprint, Human, Human Footprint, Idaho, Landscape, Model, Montana, Nevada, New Mexico, Oregon, Utah, Washington, Wildlands, Wyoming, Wyoming, Fewer tags Oil and Gas Wells in the western United States (NOGA 1994) Locations of oil and gas wells in 11 western states. Data was obtained from the National Oil and Gas Assessment. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arizona, California, Colorado, Idaho, Montana, All tags... Nevada, New Mexico, Oregon, Utah, Washington, Western US, Wyoming, gas, oil, wells, Fewer tags Bailey's Ecoregions of the Conterminous United States This multi-tiered, broad-scale, hierarchical system of ecoregions is based on numerous environmental variables at each level. The first two tiers are based on climate, followed by climate and physiograpghy, and finally topography and soils. This data was used to provide a general description of the ecosystem geography. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Bailey, Bailey's, Division, Domain, Ecoregion, All tags... Ecoregions, Province, Section, US, USA, United States, conterminous, Fewer tags Pipeline density (18km) in the sage-grouse conservation area Data represents an estimate of oil and natural gas pipeline densities in the intermountain west based on data collected depicting pipeline locations in the study area. These data represent (for the most part) only larger volume, long distance pipelines and not the shorter, lower volume (so-called 'flowlines') associated with specific fluid energy producing sites. HOWEVER, THESE DATA ONLY REPRESENT THAT PORTION OF ACTUAL ON-THE-GROUND AND BURIED PIPELINES THAT HAVE BEEN MAPPED and that we were able to acquire durng th course of our study. THEREFORE, THIS DATASET IS KNOWN TO BE INCOMPLETE. The actual pipline locations are not shown here. Rather this is a grid representing pipeline density in Km/Km^2. DUE TO THE SENSITVE... Tags: Arizona, California, Colorado, Colorado Plateau, Columbia Plateau, All tags... Gas, Great Basin, Idaho, Montana, Natural Gas, Nebraska, Nevada, New Mexico, North America, North Dakota, Oil, Oregon, Pipeline, Pipelines, Rocky Mountains, South Dakota, United States, Utah, Washington, Wyoming, Wyoming Basins, western Great Plains, western US, Fewer tags