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The dataset contains estimates for total phosphorus flux from wastewater treatment plants that discharge to surface water within the Red River of the North Basin in the United States and subbasins. Shapefiles defining the subbasins are available as part of the same data release in which these data are published. Estimates of wastewater treatment plant total phosphorus flux (or load) were calculated by Tammy Ivanhnenko for the years 1978, 1980, 1982, 1984, 1986, 1988, 1990, 1992, 1996, 2000, 2004, 2008, and 2012. Flux estimates were based on the average discharge from the wastewater treatment plants and treatment level, both reported as part of the U.S. Environmental Protection Agency's Clean Watershed Needs Survey,...
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Accurate and consistent estimates of shrubland ecosystem components are crucial to a better understanding of ecosystems condition in arid and semiarid lands. We developed an innovative approach by integrating multiple information to quantify shrubland components as continuous field products within the National Land Cover Database (NLCD). The approach consists of five major parts: field sample collection, high-resolution mapping of shrubland components using WorldView-3 imagery and regression tree models, Landsat 8 radiometric balancing and phenological mosaicking, coarse resolution estimate of shrubland components across a large geographic extent using Landsat 8 phenological mosaics and regression tree models, and...
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Accurate and consistent estimates of shrubland ecosystem components are crucial to a better understanding of ecosystems condition in arid and semiarid lands. We developed an innovative approach by integrating multiple information to quantify shrubland components as continuous field products within the National Land Cover Database (NLCD). The approach consists of five major parts: field sample collection, high-resolution mapping of shrubland components using WorldView-3 imagery and regression tree models, Landsat 8 radiometric balancing and phenological mosaicking, coarse resolution estimate of shrubland components across a large geographic extent using Landsat 8 phenological mosaics and regression tree models, and...
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The delineation of priority areas in western North America for managing Greater Sage-Grouse (Centrocercus urophasianus) represents a broad-scale experiment in conservation biology. The strategy of limiting spatial disturbance and focusing conservation actions within delineated areas may benefit the greatest proportion of Greater Sage-Grouse. However, land use under normal restrictions outside priority areas potentially limits dispersal and gene flow, which can isolate priority areas and lead to spatially disjunct populations. We used graph theory, representing priority areas as spatially distributed nodes interconnected by movement corridors, to understand the capacity of priority areas to function as connected...


map background search result map search result map Wastewater Treatment Plant Total Phosphorus Flux Load Estimates Red River of the North Basin Shrub Percent - Provisional Remote Sensing Shrub/Grass NLCD Products for the Montona/Wyoming Study Area Bare Ground Percent  - Provisional Remote Sensing Shrub/Grass NLCD Products for the Montona/Wyoming Study Area USGS Topo Map Vector Data (Vector) 24345 Lake Benton SW, Minnesota 20220501 for 7.5 x 7.5 minute Shapefile Raster digital data sets identifying a range-wide network of priority areas for greater sage-grouse USGS Topo Map Vector Data (Vector) 3863 Big Stone Lake West, Minnesota 20220506 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 14008 Elk Point NE, Iowa 20220429 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 16925 Gary NW, Minnesota 20220506 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 22421 Jasper, Minnesota 20220501 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 71134 Ortonville, Minnesota 20220501 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 7197 Capitol, Montana 20200721 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 14094 Ellendale South, North Dakota 20200723 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 8842 Claire City NE, North Dakota 20200722 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 15738 Forbes, North Dakota 20200723 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 70601 La Mars, North Dakota 20200723 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 32469 North Slick Creek, Montana 20200721 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 32469 North Slick Creek, Montana 20200721 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 7206 Capitol Rock, Montana 20200722 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 21451 Humbolt Hills, Montana 20200722 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 21451 Humbolt Hills, Montana 20200722 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 24345 Lake Benton SW, Minnesota 20220501 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 3863 Big Stone Lake West, Minnesota 20220506 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 14008 Elk Point NE, Iowa 20220429 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 16925 Gary NW, Minnesota 20220506 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 22421 Jasper, Minnesota 20220501 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 71134 Ortonville, Minnesota 20220501 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 7197 Capitol, Montana 20200721 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 14094 Ellendale South, North Dakota 20200723 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 8842 Claire City NE, North Dakota 20200722 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 15738 Forbes, North Dakota 20200723 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 70601 La Mars, North Dakota 20200723 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 32469 North Slick Creek, Montana 20200721 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 32469 North Slick Creek, Montana 20200721 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 7206 Capitol Rock, Montana 20200722 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 21451 Humbolt Hills, Montana 20200722 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 21451 Humbolt Hills, Montana 20200722 for 7.5 x 7.5 minute Shapefile Wastewater Treatment Plant Total Phosphorus Flux Load Estimates Red River of the North Basin Shrub Percent - Provisional Remote Sensing Shrub/Grass NLCD Products for the Montona/Wyoming Study Area Bare Ground Percent  - Provisional Remote Sensing Shrub/Grass NLCD Products for the Montona/Wyoming Study Area Raster digital data sets identifying a range-wide network of priority areas for greater sage-grouse