Filters: Tags: Disturbance (X) > partyWithName: Steven E. Hanser (X)

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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... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Arizona, California, Idaho, Montana, Nevada, All tags... New Mexico, Oregon, Utah, Washington, Wyoming, anthropogenic, boundaries, conservation assessment, disturbance, environment, footprint, habitats, human, human footprint, human impacts, land surface characteristics, model, wildlands, Fewer tags Cheatgrass distribution in the Intermountain West This map was developed to map the probablity of cheatgrass in order to examine the overlap of cheatgrass with high priority sagebrush restoration areas. Logistic regression was used to create linear models that were than spatially applied to the landscape. Inputs for regression analysis included elevation, precipitation, soil pH, soil depth, soil salinity, and available water capacity extracted at 6,736 field sampling locations where cheatgrass occurrence was determined. Tags: Anthropogenic, Disturbance, Footprint, Human, Human Footprint, All tags... Landscape, Model, Wildlands, western United States, Fewer tags Human Footprint Intensity in the West This map was developed to show the distribution of human influence in the western United States. This dataset was developed from the Human Footprint inthe western United States (Leu et al. 2008) in order to ease the interpretation of humand footprint comparisons. Provides the distirubtion of 3 human foorpint instensity class in the western United States Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Anthropogenic, Disturbance, Human Footprint Intensity, Human Footprint Intensity, Human Footprint Intensity, All tags... Landscape, Model, West, West, West, Wildlands, Fewer tags Human Footprint Intensity in the West This map was developed to show the distribution of human influence in the western United States. This dataset was developed from the Human Footprint in the western United States (Leu et al. 2008) in order to ease the interpretation of human footprint comparisons. Tags: Anthropogenic, Arizona, California, Colorado, Disturbance, All tags... Footprint, Human, Human Footprint, Idaho, Landscape, Model, Montana, Nevada, New Mexico, Oregon, United States, Utah, Washington, Western United States, Wildlands, Wyoming, biota, environment, geoscientificInformation, geospatial datasets, land surface characteristics, Fewer tags Human footprint intensity in the sagebrush ecosystem This map was developed to show the distribution of human influence on the sagebrush ecosystem in the western United States. This dataset was developed from the Human Footprint inthe western United States (Leu et al. 2008) and an aggregrate of the sagebrush ecological systems mapped in the LANDFIRE EVT dataset. Provides the distribution sagebrush attributed with 3 human foorpint instensity classes Tags: Anthropogenic, Disturbance, Landscape, Model, Sagebrush, All tags... Wildlands, Fewer tags