Filters: Tags: Northern Great Basin (X) > Extensions: ArcGIS Service Definition (X)

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Near-real-time cheatgrass percent cover in the northern Great Basin, USA--2015 This dataset provides an estimate of 2015 cheatgrass percent cover in the northern Great Basin at 250 meter spatial resolution. The dataset was generated by integrating eMODIS NDVI satellite data with independent variables that influence cheatgrass germination and growth into a regression-tree model. Individual pixel values range from 0 to 100 with an overall mean value of 9.85 and a standard deviation of 12.78. A mask covers areas not classified as shrub/scrub or grass/herbaceous by the 2001 National Land Cover Database. The mask also covers areas higher than 2000 meters in elevation because cheatgrass is unlikely to exist at more than 2% cover above this threshold. Cheatgrass is an invasive grass that has invaded... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Bromus tectorum, Cheatgrass, MODIS, NDVI, Northwest CASC, All tags... Plants, Wildlife and Plants, annual grass, northern Great Basin, satellite data, Fewer tags Northern Great Basin Image of Sagebrush Types, Soil Regime Classes, and Fire Frequencies (1984-2013) This three-band, 30-m resolution raster contains sagebrush vegetation types, soil temperature/moisture regime classes, and large fire frequencies across greater sage-grouse population areas within the Northern Great Basin sage-grouse management zone. Sagebrush vegetation types were defined by grouping together similar vegetation types from the LANDFIRE biophysical settings layer. Soil moisture and temperature regimes were from an USDA-NRCS analysis of soil types across the greater sage-grouse range. Fire frequencies were derived from fire severity rasters created by the Monitoring Trends in Burn Severity program. The area of analysis included the greater sage-grouse populations areas within specific management zones.... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Citation, Downloadable, Map Service; Tags: Northern Great Basin, greater sage-grouse, soil-vegetation relationships, wildfires, wildland fires, All tags... wildlife conservation, Fewer tags