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This is a map of populated areas with population density greater than or equal to 1 individual/ha (i.e., rural/exurban but including suburban and urban as defined by Marzluff et al. 2001) as determined from U.S. Census data corrected for public lands.
Categories: Data;
Types: Downloadable,
GeoTIFF,
Map Service,
Raster;
Tags: 2000 Census,
Arizona,
California,
Colorado,
Idaho,
This is a map of populated areas with population density greater than or equal to 1 individual/ha (i.e., rural/exurban but including suburban and urban as defined by Marzluff et al. 2001) as determined from U.S. Census data corrected for public lands.
Categories: Data;
Types: Downloadable,
GeoTIFF,
Map Service,
Raster;
Tags: 2000 Census,
Arizona,
California,
Colorado,
Idaho,
This dataset assesses cumulative anthropogenic disturbance impacts on the landscape in Wyoming, improving methodology outlined by Copeland et al. (2007). We gathered known datasets that represented the impacts of human activities within the state of Wyoming. The following dataset layers were combined into one single raster grid: agricultural lands, mines, oil and gas pipelines, oil and gas wells, power lines, residential development, roads, and wind turbines. We assigned weights, cutoff distance of impact, and decay functions to each dataset layer (e.g., roads, etc.) to assign a cost surface value to each dataset. The value is derived from the weighted distance of the impact; the assigned value diminishes as distance...
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