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To support the BLM's San Luis Valley-Taos Plateau Landscape Assessment. This dataset presents current and future change agent models and combined future potential for change (PFC) within big game migration corridors.The big game migration corridors extent was determined from CDOW data. Species include bighorn sheep, elk, mule deer, and pronghorn. Migration corridors were clipped to the study area boundary and merged and dissolved across species.This dataset presents current and future change agent models and combined future potential for change (PFC). Potential for change (PFC) was determined by calculating the maximum potential for change among all change agents within each 1 km reporting unit. Current and future...
This dataset presents current and future change agent models and combined future potential for change (PFC) within big game seasonal ranges.The big game seasonal ranges extent was determined by aggregating datasets on seasonal ranges of several big game species (Elk, Mule Deer, Pronghorn, and Bighorn Sheep). Seasonal ranges include winter, crucial winter, crucial summer, and parturition areas. Data were obtained from state natural resource agencies (Colorado Parks and Wildlife) and the BLM.This dataset presents current and future change agent models and combined future potential for climate change (PFC). Potential for change (PFC) was determined by calculating the maximum potential for change among all change agents...
Types: Downloadable;
Tags: BLM,
Big Game,
Bighorn Sheep,
Bureau of Land Management,
Crucial Summer Range,
To support the BLM's San Luis Valley-Taos Plateau Landscape Assessment. This dataset presents current and future change agent models and combined future potential for change (PFC) within big game migration corridors.The big game migration corridors extent was determined from CDOW data. Species include bighorn sheep, elk, mule deer, and pronghorn. Migration corridors were clipped to the study area boundary and merged and dissolved across species.This dataset presents current and future change agent models and combined future potential for change (PFC). Potential for change (PFC) was determined by calculating the maximum potential for change among all change agents within each 1 km reporting unit. Current and future...
This dataset represents CALIFORNIA BIGHORN SHEEP use areas in Utah as determined by wildlife biologists during 2001. In May 2006 the dataset was converted from a Critical, High, Substantial and Limited value system to a Crucial/Substantial value system.
Bighorn sheep distribution and winter ranges were reviewed and updated during 2002. The layer does not necessarily include overall distribution or winter range within Tribal lands/Indian Reservations or National Park Service lands. Overall distribution polygons represent general or year round habitat. Winter range polygons represent areas occupied by the species from November 15 to March 1. The polygon attribute to select overall distribution and/or winter range areas for big horn sheep is BHS_USE.
This data set represents the 2010 bighorn sheep huntarea and herdunit boundaries for Wyoming. The layer was originally digitized at a scale of 1:100,000, using USGS 1:100,000 DRGs as a backdrop for heads up digitizing. Updates are currently done by selecting needed features from other layers, including roads, streams, HUCs, etc. Huntarea boundary descriptions are part of hunting regulations, which are approved and published annually by the Wyoming Game and Fish Commission. When needed, the 2008 edition (First Edition) of the Wyoming Road and Recreation Atlas (Benchmark Maps) was consulted for road information.
Note: The data were created by dissolving on the HERDUNIT attribute of the bhs08hh data. This data set represents the 2010 bighorn sheep huntarea and herdunit boundaries for Wyoming. The layer was originally digitized at a scale of 1:100,000, using USGS 1:100,000 DRGs as a backdrop for heads up digitizing. Updates are currently done by selecting needed features from other layers, including roads, streams, HUCs, etc. Huntarea boundary descriptions are part of hunting regulations, which are approved and published annually by the Wyoming Game and Fish Commission. When needed, the 2008 edition (First Edition) of the Wyoming Road and Recreation Atlas (Benchmark Maps) was consulted for road information.
Statewide migration barriers for Bighorn Sheep. The severity of the threat to the migration route and the severity of problem noted.
Categories: Data;
Types: Downloadable;
Tags: Big Game,
Bighorn Sheep,
Migration Barriers,
Wyoming,
biota
This dataset presents current and future change agent models and combined future potential for change (PFC) within Bighorn Sheep potentially suitable habitat.The Brewer's sparrow potentially suitable habitat extent was determined using the SWReGAP Vertebrate Habitat Distribution Model for the Brewer's sparrow clipped to the study area for the SLV-TP Landscape Assessment. This dataset presents current and future change agent models and combined future potential for change (PFC). Potential for change (PFC) was determined by calculating the maximum potential for change among all change agents within each 1 km reporting unit. Current and future landscape intactness (LCM_C_FZ and LCM_N_FZ) are based on measures of landscape...
Types: Downloadable;
Tags: BLM,
Bighorn Sheep,
Bureau of Land Management,
Change Agents,
Conservation Element,
Bighorn RverallRange is an ESRI SDE Feature Class showing Overall Range for Bighorn Sheep in Colorado. Overall Range is defined as the area which encompasses all known activity areas within the observed range of a population. This information was derived from field personnel. A variety of data capture techniques were used including drawing on mylar overlays at 1:50,000 scale USGS county mapsheets and implementation of the SmartBoard Interactive Whiteboard using stand-up, real-time digitizing at various scales (Cowardin, M., M. Flenner. March 2003. Maximizing Mapping Resources. GeoWorld 16(3):32-35). Dataset was acquired from a third party distributor who obtained it from CDOW in January 2011. The authoritative...
BighornSummerRange is an ESRI SDE Feature Class showing Summer Range for Bighorn Sheep in Colorado. Summer Range is defined as that portion of the overall range where 90% of the individuals are located between spring green-up and the first heavy snowfall. Summer range is not exclusive of winter range; in some areas winter and summer ranges may overlap. This information was derived from field personnel. A variety of data capture techniques were used including drawing on mylar overlays at 1:50,000 scale USGS county mapsheets and implementation of the SmartBoard Interactive Whiteboard using stand-up, real-time digitizing at various scales (Cowardin, M., M. Flenner. March 2003. Maximizing Mapping Resources. GeoWorld...
This dataset represents DESERT BIGHORN SHEEP use areas in Utah as determined by wildlife biologists during 2001, with supplemental additions motivated by the Richfield BLM Resource Management Planning process in the spring of 2004, in November 2004, and again in March 2005. In May 2006 the dataset was converted from a Critical, High, Substantial and Limited value system to a Crucial/Substantial value system. Additional updates for the layer were made in January 2008, in cooperation with the local BLM biologists.
Barriers were characterized as the minimum distance from forested regions, highways and perennial rivers. Forested regions were extracted from GAP/EVT landcover data by isolating pixels that were classed as ‘forest’. Only forested regions having canopy cover of >80% were selected by using the Landfire canopy cover dataset. TIGER road data was used to identify highways. The USGS National Hydrography Dataset was used to extract perennial stream features. Proximity analyses were applied to all development datasets and scored. Habitat located greater than 1,500 meters away from barriers were considered good, habitat within 400-1,500 meters of barriers were considered fair, and habitat within 400 meters were considered...
This dataset presents current and future change agent models and combined future potential for change (PFC) within big game seasonal ranges.The big game seasonal ranges extent was determined by aggregating datasets on seasonal ranges of several big game species (Elk, Mule Deer, Pronghorn, and Bighorn Sheep). Seasonal ranges include winter, crucial winter, crucial summer, and parturition areas. Data were obtained from state natural resource agencies (Colorado Parks and Wildlife) and the BLM.This dataset presents current and future change agent models and combined future potential for climate change (PFC). Potential for change (PFC) was determined by calculating the maximum potential for change among all change agents...
Types: Downloadable;
Tags: BLM,
Big Game,
Bighorn Sheep,
Bureau of Land Management,
Crucial Summer Range,
This data set is comprised of a sum of input threat dataset values displayed at the 6th level HUC within the Middle Rockies Ecoregion. These data are provided by Bureau of Land Management (BLM) "as is" and may contain errors or omissions. The User assumes the entire risk associated with its use of these data and bears all responsibility in determining whether these data are fit for the User's intended use. The User is encouraged to carefully consider the content of the metadata file associated with these data.
Establishing connections among natural landscapes is the most frequently recommended strategy for adapting management of natural resources in response to climate change. The U.S. Northern Rockies still support a full suite of native wildlife, and survival of these populations depends on connected landscapes. Connected landscapes support current migration and dispersal as well as future shifts in species ranges that will be necessary for species to adapt to our changing climate. Working in partnership with state and federal resource managers and private land trusts, we sought to: 1) understand how future climate change may alter habitat composition of landscapes expected to serve as important connections for wildlife,...
Categories: Data;
Types: ArcGIS Map Package,
Citation,
Downloadable;
Tags: Bighorn sheep,
Connectivity,
Environment and Conservation,
Forests,
Grasslands and Plains,
To support the BLM's San Luis Valley-Taos Plateau Landscape Assessment. This dataset presents current and future change agent models and combined future potential for change (PFC) within big game migration corridors.The big game migration corridors extent was determined from CDOW data. Species include bighorn sheep, elk, mule deer, and pronghorn. Migration corridors were clipped to the study area boundary and merged and dissolved across species.This dataset presents current and future change agent models and combined future potential for change (PFC). Potential for change (PFC) was determined by calculating the maximum potential for change among all change agents within each 1 km reporting unit. Current and future...
To support the BLM's San Luis Valley-Taos Plateau Landscape Assessment. This dataset presents current and future change agent models and combined future potential for change (PFC) within big game migration corridors.The big game migration corridors extent was determined from CDOW data. Species include bighorn sheep, elk, mule deer, and pronghorn. Migration corridors were clipped to the study area boundary and merged and dissolved across species.This dataset presents current and future change agent models and combined future potential for change (PFC). Potential for change (PFC) was determined by calculating the maximum potential for change among all change agents within each 1 km reporting unit. Current and future...
This dataset presents current and future change agent models and combined future potential for change (PFC) within Bighorn Sheep potentially suitable habitat.The Brewer's sparrow potentially suitable habitat extent was determined using the SWReGAP Vertebrate Habitat Distribution Model for the Brewer's sparrow clipped to the study area for the SLV-TP Landscape Assessment. This dataset presents current and future change agent models and combined future potential for change (PFC). Potential for change (PFC) was determined by calculating the maximum potential for change among all change agents within each 1 km reporting unit. Current and future landscape intactness (LCM_C_FZ and LCM_N_FZ) are based on measures of landscape...
Types: Downloadable;
Tags: BLM,
Bighorn Sheep,
Bureau of Land Management,
Change Agents,
Conservation Element,
This data set represents the 2008 bighorn sheep seasonal range boundaries for Wyoming. Seasonal range delineations depict lands that are important in each season for certain biological processes within a herd unit. Seasonal range boundaries are based on long-term observation data, specific research projects, and professional judgement. Ranges are digitized at a scale of 1:100,000 using USGS 1:100,000 DRGs as a backdrop for heads up digitizing, and are revised as needed by the Wyoming Game and Fish Department. Current seasonal range definitions are based on a 1990 document drafted by the Wyoming Chapter of The Wildlife Society in cooperation with the Wyoming Game and Fish Department and federal land agencies.
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