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BLM WesternUS GRSG Biologically Significant Units April 2019 (Map Service)


The biologically significant unit (BSUs) were revised in April 2019, creating the most up-to-date version of this dataset. A BSU is a geographical/spatial area within greater sage-grouse habitat that contains relevant and important habitats which is used as the basis for comparative calculations to support evaluation of changes to habitat. This BSU unit, or subset of this unit, is used in the calculation of the anthropogenic disturbance threshold and in the adaptive management habitat trigger. BSU feature classes were submitted by individual states/EISs and consolidated by the Wildlife Spatial Analysis Lab. They are sometimes referred to as core areas/core habitat areas in the explanations below, which were consolidated from metadata [...]

Additional Information


Type Scheme Key
sourceSystem urn:x-esri:specification:ServiceType:ArcIMS:Metadata:FileID

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