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This dataset shows the combination of high probability areas from two Maxent models that predict human and naturally-caused fire occurrence. This long-term estimate is based on projecting the Maxent model developed on current climate conditions onto downscaled climate projections from RegCM3 based on ECHAM5 boundary conditions. Caution should be exercised in interpreting this dataset, as it is based on an association between landscape factors and the locations of fire occurrences. This dataset does not provide information about the likely outcome of a fire. See the human and naturally-caused fire occurrence datasets for more information and limitations.
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Difference of Potential Evapotranspiration simulated by the biogeography model MAPSS using RegCM3 climate with GFDL projections as boundary conditions. Units are millimeters of water. MAPSS (Mapped Atmosphere-Plant-Soil System) is a static biogeography model that projects potential vegetation distribution and hydrological flows on a grid (http://www.databasin.org/climate-center/features/mapss-model). MAPSS has been used widely for various climate change assessments including the 2000 National Assessment Synthesis Team's report. MAPSS uses long term, average monthly climate data (mean monthly temperature, vapor pressure, wind speed, and precipitation) as well as soils information (texture, depth). Based on a set...
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This dataset shows areas of increased or decreased potential for human or naturally-caused fires between Maxent projections based on near-term climate and current climate.
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This dataset presents the current potential distribution of this species within the context of current terrestrial intactness and long-term potential for energy development (1KM reporting units). Current terrestrial intactness is based on current measures of landscape development, fire regime and vegetation impacts, and fragmentation. Long-term potential for energy development is based on areas of potential for wind, solar, and petroleum development derived from multiple sources. These models present one possible set of estimates of the status and potential for change for this conservation element. Many additional factors may affect this conservation element beyond those captured in these models; these attributes...
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This dataset depicts the current predicted distribution of Le Conte's Thrasher compiled from Arizona Game and Fish Department and California GAP data sources.
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This dataset shows point locations and data specific to wildlife guzzlers in Sonoran Desert ecoregion.
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Southwest reGAP modeled distribution of kit fox in the Colorado Plateau ecoregion, USA The Southwest Regional Gap Analysis Project predicted habitat for 819 vertebrate species that reside, breed, or use habitat in the five-state region for a substantial portion of the their life history. The list of species to model was determined by identifying decision rules for taxon inclusion (These rules can be provided upon request). To create the most accurate models possible we are engaging taxa experts to provide a review of these habitat models. These models are based on the concept of Wildlife Habitat Relationships (WHRs). We have defined WHRs as a statement describing resources and conditions present in areas where...
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This dataset depicts recreation sites compiled for BLM and USFS lands. Due to a general lack of quality recreation site information, this dataset likely under-represents the distribution and density of recreation sites, and only contains recreation sites on public lands. Additional recreation sites likely occur on state, local, and privately-owned land, but no data were available at the time of this REA. Recreation sites may have varying areas of impact, as some recreation sites may be large campgrounds whereas other sites are highly localized, such as trailheads. Source datasets had highly variable attributes. These attributes were not carried through into this dataset. Please see the source attribute in this dataset...
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This raster dataset is the result of a subtraction of the classification of raster datasets bhd2030us and bhd2000us. Both are produced using the SERGoM v3 model, they depict housing density for the coterminous US in 2030 and 2000, resp., and are based on 2000 US Census Bureau block (SF1) datasets. (The classication of the subtraction is shown below.) A raster layer that portrays not-developed (and assumed to be undevelopable) called CUS_UPP_100 depicts protected/unprotected lands and Census water polygons. First, Land was removed from blocks (reducing the area of a block, but not its number of housing units -- assuming that private housing units must be on private land) that was public and/or protected in the UNPROTPRIV100...
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GIS data representing Off-Highway Vehicle area designations from the 2007 BLM Lake Havasu Field Office RMP (in Arizona and California). Two new Open Areas (Standard Wash and Shea Road/Osborne Wash) are not available for unrestricted use until after further evaluation.
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Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources. They are designed to serve as a spatial framework for the research, assessment, management, and monitoring of ecosystems and ecosystem components. These general purpose regions are critical for structuring and implementing ecosystem management strategies across federal agencies, state agencies, and nongovernment organizations that are responsible for different types of resources within the same geographical areas. The approach used to compile this map is based on the premise that ecological regions can be identified...
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Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources. They are designed to serve as a spatial framework for the research, assessment, management, and monitoring of ecosystems and ecosystem components. These general purpose regions are critical for structuring and implementing ecosystem management strategies across federal agencies, state agencies, and nongovernment organizations that are responsible for different types of resources within the same geographical areas. The approach used to compile this map is based on the premise that ecological regions can be identified through the analysis of patterns of biotic and abiotic phenomena, including...
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Broad-scale alterations of historical fire regimes and vegetation dynamics have occurred in many landscapes in the U.S. through the combined influence of land management practices, fire exclusion, ungulate herbivory, insect and disease outbreaks, climate change, and invasion of non-native plant species. The LANDFIRE Project produces maps of simulated historical fire regimes and vegetation conditions using the LANDSUM landscape succession and disturbance dynamics model. The LANDFIRE Project also produces maps of current vegetation and measurements of current vegetation departure from simulated historical reference conditions. These maps support fire and landscape management planning outlined in the goals of the National...
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Broad-scale alterations of historical fire regimes and vegetation dynamics have occurred in many landscapes in the U.S. through the combined influence of land management practices, fire exclusion, ungulate herbivory, insect and disease outbreaks, climate change, and invasion of non-native plant species. The LANDFIRE Project produces maps of simulated historical fire regimes and vegetation conditions using the LANDSUM landscape succession and disturbance dynamics model. The LANDFIRE Project also produces maps of current vegetation and measurements of current vegetation departure from simulated historical reference conditions. These maps support fire and landscape management planning outlined in the goals of the National...
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
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Average Winter (Jan-Mar) Temperature (2045-2060) simulated by RegCM3 with ECHAM5 projections as boundary conditions. Units are degrees Celsius. These data were generated by the regional climate model RegCM3 with boundary conditions from a GCM future climate projections. The data were downscaled statistically by calculating differences (anomalies) between the RegCM3 results with GCM-driven boundary conditions for 1968-99 and those for a future period, in this case 2015-2030. The anomalies were added (temperatures) or multiplied (precipitation) to a climate baseline from PRISM (Parameter-elevation Regressions on Indepenent Slopes Model - prism.oregonstate.edu) data based on historical observations. The PRISM baseline...
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Leaf Area Index simulated by the biogeography model MAPSS using RegCM3 climate with GFDL projections as boundary conditions. MAPSS (Mapped Atmosphere-Plant-Soil System) is a static biogeography model that projects potential vegetation distribution and hydrological flows on a grid (http://www.databasin.org/climate-center/features/mapss-model). MAPSS has been used widely for various climate change assessments including the 2000 National Assessment Synthesis Team's report. MAPSS uses long term, average monthly climate data (mean monthly temperature, vapor pressure, wind speed, and precipitation) as well as soils information (texture, depth). Based on a set of climatic thresholds, the model defines the following plant...
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This dataset provides an estimate of current terrestrial intactness, based on a fuzzy logic model that integrates multiple measures of landscape development and vegetation intactness. A powerpoint version of the logic model is available at: Vector\Conservation_Elements\Terrestrial\Ecosystem\Documentation\SOD_TI_logic_models.pptx This model integrates agriculture development (from LANDFIRE EVT v1.1), urban development (from LANDFIRE EVT v1.1 and NLCD Impervious Surfaces), linear development (from BLM GTLF, utility lines, and pipelines), energy and mining development (from state mine and USGS national mines datasets, geothermal wells, and oil/gas wells), invasive vegetation (multiple sources combined for invasives...
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This database contains GIS datasets representing the distribution of mule deer habitat throughout the United States and Canada (Alberta and Saskatewan only). Mule deer habitat is divided into 6 separate GIS layers corresponding to 6 types of mule deer habitat: 1)limited range, 2) summer range, 3) other important habitat, 4) winter range, 5) winter concentration, and 6) year-round population. Information on mule deer limiting factors associated with each habitat type is provided within the GIS datasets. Habitat delineations were identified through a Delphi process on a state-by-state basis and were subsequently tablet-digitized from 1:250,000 scale maps.
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This dataset presents the current potential distribution of lowland leopard frog in the context of current and near-term aquatic intactness, and long-term potential for climate change at the watershed (HUC5) scale. Current aquatic intactness is based on current measures of landscape development, water quality, hydrologic impacts, and road impacts. Near-term intactness includes estimates of urban growth. Long-term potential for climate change is based on absolute changes in runoff, precipitation, temperature, and vegetation change estimated using climate projections (RegCM3 regional climate model based on ECHAM5 boundary conditions) and a biogeography model (MAPSS) for the period 2045-2060. The aquatic intactness...


map background search result map search result map BLM REA SOD 2010 Leaf Area Index (2045-2060) Simulated by MAPSS using RegCM3 Climate with GFDL Projections as Boundary Conditions (Western US) BLM REA SOD 2010 Average Winter (Jan-Mar) Temperature (2045-2060) Simulated by RegCM3 with ECHAM5 Projections as Boundary Conditions (Western US) BLM REA SOD 2010 LANDFIRE - Percent Mixed Severity Fire for the Sonoran Desert ecoregion, USA (version 1.0) BLM REA SOD 2010 Current Terrestrial Intactness 4km BLM REA SOD 2010 LANDFIRE - Percent Replacement Severity Fire (version 1.0) BLM REA SOD 2010 Eco Level IV US BLM REA SOD 2010 National Hydrography Dataset (waterbodies) BLM REA SOD 2010 Mule Deer Habitat of North America - other important habitat BLM REA SOD 2010 Development Risk, Contiguous US (2030) BLM REA SOD 2010 BLM Off Highway Vehicle Areas (Lake Havasu Field Office) BLM REA SOD 2010 Long-Term High Potential of Human and Naturally-Caused Fire Occurrence BLM REA SOD 2010 Difference of Potential Evapotranspiration (2045-2060 vs 1968-1999) Simulated by MAPSS using RegCM3 Climate with GFDL Projections as Boundary Conditions (Western US) BLM REA SOD 2010 CEC Level 3 Ecoregion for the Sonoran Desert BLM REA SOD 2010 Lowland Leopard Frog: Current and Near-Term Status and Long-Term Potential For Change BLM REA SOD 2010 Southwest reGAP modeled distribution of kit fox in the Sonoran Desert ecoregion, USA BLM REA SOD 2010 Land-Based Recreation Sites BLM REA SOD 2010 Change in Potential Fire Occurrence (Near-Term vs Current) BLM REA SOD 2010 Current Predicted Distribution of Le Conte's Thrasher BLM REA SOD 2010 Desert Bighorn Sheep: Current Status and Long-Term Potential For Development BLM REA SOD 2010 Wildlife Guzzlers BLM REA SOD 2010 BLM Off Highway Vehicle Areas (Lake Havasu Field Office) BLM REA SOD 2010 Wildlife Guzzlers BLM REA SOD 2010 Desert Bighorn Sheep: Current Status and Long-Term Potential For Development BLM REA SOD 2010 Mule Deer Habitat of North America - other important habitat BLM REA SOD 2010 Land-Based Recreation Sites BLM REA SOD 2010 CEC Level 3 Ecoregion for the Sonoran Desert BLM REA SOD 2010 National Hydrography Dataset (waterbodies) BLM REA SOD 2010 Current Terrestrial Intactness 4km BLM REA SOD 2010 LANDFIRE - Percent Mixed Severity Fire for the Sonoran Desert ecoregion, USA (version 1.0) BLM REA SOD 2010 Lowland Leopard Frog: Current and Near-Term Status and Long-Term Potential For Change BLM REA SOD 2010 Current Predicted Distribution of Le Conte's Thrasher BLM REA SOD 2010 Long-Term High Potential of Human and Naturally-Caused Fire Occurrence BLM REA SOD 2010 Change in Potential Fire Occurrence (Near-Term vs Current) BLM REA SOD 2010 Development Risk, Contiguous US (2030) BLM REA SOD 2010 LANDFIRE - Percent Replacement Severity Fire (version 1.0) BLM REA SOD 2010 Southwest reGAP modeled distribution of kit fox in the Sonoran Desert ecoregion, USA BLM REA SOD 2010 Leaf Area Index (2045-2060) Simulated by MAPSS using RegCM3 Climate with GFDL Projections as Boundary Conditions (Western US) BLM REA SOD 2010 Average Winter (Jan-Mar) Temperature (2045-2060) Simulated by RegCM3 with ECHAM5 Projections as Boundary Conditions (Western US) BLM REA SOD 2010 Difference of Potential Evapotranspiration (2045-2060 vs 1968-1999) Simulated by MAPSS using RegCM3 Climate with GFDL Projections as Boundary Conditions (Western US) BLM REA SOD 2010 Eco Level IV US