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The Human Footprint in the West


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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 rest stops, land [...]


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hfootprint/hfootprint/w001001.adf 40.48 MB
hfootprint/hfootprint/w001001x.adf 976.35 KB


Model the influence of anthropogenic disturbance in the western United States.



  • Forest and Rangeland Ecosystem Science Center (FRESC)



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