Static Map ImagesBLM REA Boundaries and Acres in Lower 48 States (PDF Map)
PDF map showing the boundaries and number of acres in each Rapid Ecoregional Assessment (REA), plus the total acres of all REAs.
Static Map ImagesBLM REA Boundaries and Release Status Map (PDF Map)
PDF map showing the boundaries and release status for each Rapid Ecoregional Assessment (REA), as depicted on the REA home page on the Landscape Approach Data Portal. This map will be updated when a new REA is released, but this metadata record will not d...
Downloadable DataBLM REA CBR 2010 Places Special Designated Places
Metadata Thumbnail A region polygon dataset categorizing land in terms of ecological significance and status of protection in the Central Basin and Range (CBR) Rapid Ecoregional Assessment. This dataset identifies lands that have been identified as ecologically significant...
Downloadable DataBLM REA CBR 2010 & MBR - Invasives Training Points: Annual Grasses
Metadata Thumbnail The Annual Grass model is comprised of a mosaic of five separate continuous models representing separate thresholds of absolute cover. All training and validation data were acquired from the July 2011 update of the LANDFIRE Public Sample points data set....
Downloadable DataBLM REA CBR 2010 & MBR - Invasives Training Points: Noxious Forbs
Metadata Thumbnail Samples used to develop the Noxious Forbs model were extracted from the Southwest Exotic Plant Mapping Program (SWEMP) data layer. A total of 897 exotics species were identified within both the combined Ecoregions, but not all species are considered Noxio...
Downloadable DataBLM REA CBR 2010 & MBR - Invasives Training Points: Species Invasive to Riparian Areas
Metadata Thumbnail The SWEMP data layer was used to identify samples for modeling. There were nine riparian invasive species with documented records in the SWEMP, but 95% of the samples for modeling distribution were comprised of Tamarisk/Saltcedar with 4,062 recorded occur...
Downloadable DataBLM REA CBR 2010 & MBR Cheatgrass climatic habitat under current climate conditions.
Metadata Thumbnail Cheatgrass climatic habitat under current climate conditions. BEM encompasses. "Bromus tectorum dominated lands in the Great Basin and climatically suitable habitat based on Mahalanobis distance." (Bradley 2008: Lines 396-397)
Downloadable DataBLM REA CBR 2010 & MBR DV Recreation: Hiker Visitors 2030
Metadata Thumbnail This dataset contains values on the potential number of visitors via in year ~2030 who are hikers/cyclists. This assumes a "push" factor of the number of recreationists is equal to 20.9% of population in the CBR/MBR region, which is the average participat...
Downloadable DataBLM REA CBR 2010 & MBR DV Recreation: Aquatic Visitors 2008
Metadata Thumbnail This dataset contains values on the potential number of visitors to a reservoir/river via motorized boat (in year ~2008). This assumes a "push" factor of the number of recreationists is equal to 20.9% of population in the CBR/MBR region, which is the aver...
Downloadable DataBLM REA CBR 2010 & MBR DV Recreation: Aquatic Visitors 2030
Metadata Thumbnail This dataset contains values on the potential number of visitors to a reservoir/river via motorized boat (in year ~2030). This assumes a "push" factor of the number of recreationists is equal to 20.9% of population in the CBR/MBR region, which is the aver...