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Road-Killed Wildlife Carcass Frequency by Mile of Montana On-System Routes in the U.S. Northern Rockies (2008-2012) This layer represents 5-year relative counts of wildlife carcasses collected by Montana Department of Transportation (MDT) maintenance personnel or U.S. Fish & Wildlife Service Grizzly Bear Recovery Team personnel on or adjacent to on-system (major) routes from 2008 to 2012. To obtain relative counts, the 5-year total counts per mile, which included all wildlife species observed, were divided by the maximum observed calue (98) to give a relative 0-1 risk score. Total counts, which include all wildlife species observed, along with carnivore counts, which include only black bears, grizzly bears, mountain lions, and wolves, are provided. Counts were derived by identifying the nearest mile marker to each carcass point... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Shapefile; Tags: Carnivores, Carnivores, Data, Data.gov Great Northern Landscape Conservation Cooperative, EARTH SCIENCE > LAND SURFACE > LANDSCAPE, All tags... LCC Network Science Catalog, Montana, Montana, Policy makers & regulators, Regional & county planners, Risk Assessment, Risk Assessment, Road mortality, Road mortality, Roadkill, Roadkill, Roads, Roads, State agencies, Transportation, Transportation, Ungulates, Ungulates, Western Montana, Western Montana, Wildlife, Wildlife, completed, environment, Fewer tags Randomized shortest paths for Grizzly Bear dispersal between the GYE and NCDE The Randomized Shortest Path (RSP) raster delineates potential dispersal paths for male-mediated gene flow between grizzly bear (Ursus arctos) populations in the Greater Yellowstone Ecosystem (GYE) and the Northern Continental Divide Ecosystem (NCDE). A RSP algorithm was used to estimate the average number of net passages for all grid cells at a spatial resolution of 300 m in the study region which spans parts of Montana, Idaho, and Wyoming. RSP rasters identify potential movement paths for 3 levels of random deviation determined by the parameter Θ (i.e., Θ = 0.01, 0.001, and 0.0001) for bears moving from an origin to a destination node. Lower values of Θ result in greater exploration and more random deviation around... Categories: Data; Types: Citation, Downloadable, GeoTIFF, Map Service, Raster; Tags: Glacier National Park, Grizzly Bears, Idaho, Montana, Northern Continental Divide Ecosystem, All tags... Wyoming, Yellowstone Ecosytem, bears, biota, connectivity, corridor, dispersal, ecology, grizzly bear, movement, random shortest path, step-selection model, Fewer tags Case Study Sites for Prioritizing Mitigation of Road Impacts on Western Governors' Association Wildlife Corridors These case study sites are detailed in the report accompanying this data layer. The case studies are intended to serve as examples of how some of the opportunities for diverse stakeholders to engage in the process of mitigating road impacts on wildlife that are described in the report might be applied on the ground, as well as other considerations that come into play in selecting sites for possible mitigation and designing mitigation solutions for those sites. Through these case studies, we illustrate potential opportunities for mitigation and partner engagement for each of the four alternative priority sets identified in this study.Wildlife carcasses recorded by Montana Department of Transportation, Idaho Department... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Shapefile; Tags: AADT, AADT, Carnivores, Carnivores, Connectivity, All tags... Connectivity, Data, Data.gov Great Northern Landscape Conservation Cooperative, EARTH SCIENCE > LAND SURFACE > LANDSCAPE, Idaho, Idaho, LCC Network Science Catalog, Landscape condition, Landscape condition, Montana, Montana, Northern Rocky Mountains, Northern Rocky Mountains, Policy makers & regulators, Regional & county planners, Risk Assessment, Risk Assessment, Road mortality, Road mortality, Roadkill, Roadkill, Roads, Roads, State agencies, Topography, Topography, Traffic volume, Traffic volume, Transportation, Transportation, Ungulates, Ungulates, Western Montana, Western Montana, Wildlife, Wildlife, Wildlife corridors, Wildlife corridors, completed, environment, northern U.S. Rocky Mountains, northern U.S. Rocky Mountains, Fewer tags Road-Killed Wildlife Carcass Frequency, Connectivity Value, and Potential Risk Factors by Mile Segment of U.S. Northern Rockies Major Roads (2008-2012) Wildlife carcasses recorded by Montana Department of Transportation, Idaho Department of Fish & Game, and U.S. Fish & Wildlife Service were aggregated to the nearest mile marker for major roads of the U.S. Northern Rockies. WGA connectivity flowlines were intersected with the road network and attributed to the nearest mile marker, along with their connectivity ranking, which indicates their expected relative importance to maintaining westwide connectivity. Values for potential risk factors, including average annual daily traffic (AADT), functional class, number of lanes, road surface width, landscape condition of surrounding habitat, ruggedness of surrounding landscape, and topographic position relative to surrounding... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Shapefile; Tags: AADT, AADT, Carnivores, Carnivores, Connectivity, All tags... Connectivity, Data, Data.gov Great Northern Landscape Conservation Cooperative, EARTH SCIENCE > LAND SURFACE > LANDSCAPE, Idaho, Idaho, LCC Network Science Catalog, Landscape condition, Landscape condition, Montana, Montana, Northern Rocky Mountains, Northern Rocky Mountains, Policy makers & regulators, Regional & county planners, Risk Assessment, Risk Assessment, Road mortality, Road mortality, Roadkill, Roadkill, Roads, Roads, State agencies, Topography, Topography, Traffic volume, Traffic volume, Transportation, Transportation, Ungulates, Ungulates, Western Montana, Western Montana, Wildlife, Wildlife, Wildlife corridors, Wildlife corridors, completed, environment, northern U.S. Rocky Mountains, northern U.S. Rocky Mountains, Fewer tags Williston Basin Assessment Web Map (2014) Contamination to aquatic resources from co-produced water (brine) associated with energy development has been documented in the northeastern portion of the Williston Basin; an area mantled by glacial drift. The presence and magnitude of brine contamination can be determined using the contamination index (CI) value from water samples. Recently, the U.S. Geological Survey published a section (~2.59 km2) level risk assessment of brine contamination to aquatic resources for Sheridan County, Montana, using oilfield and hydrogeological parameters. Our goal was to improve the Sheridan County assessment (SCA) and evaluate the use of this new Williston Basin assessment (WBA) across 31 counties mantled by glacial drift in... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bakken Formatioin, Bakken Formation, Benson, North Dakota, Blaine, Montana, Bottineau, North Dakota, All tags... Brine Contamination, Burke, North Dakota, Burleigh, North Dakota, Daniels, Montana, Divide, North Dakota, Eddy, North Dakota, Emmons, North Dakota, Foster, North Dakota, Kidder, North Dakota, LaMoure, North Dakota, Logan, North Dakota, McHenry, North Dakota, McIntosh, North Dakota, McLean, North Dakota, Montana, Mountrail, North Dakota, North Dakota, Oil and Gas Development, Phillips, Montana, Pierce, North Dakota, Ramsey, North Dakota, Renville, North Dakota, Rolette, North Dakota, Rosevelt, Montana, Sheridan, Montana, Sheridan, North Dakota, Stutsman, North Dakota, Towner, North Dakota, United States, Valley, Montana, Ward, North Dakota, Wells, North Dakota, Williams, North Dakota, Williston Basin, Williston Basin, contamination and pollution, energy resources, geographic information systems (GIS), geospatial analysis, ground-water quality, human impacts, oil resources, resource extraction, risk assessment, spatial analysis, surface water quailty, water quality, well drilling, Fewer tags Northern Rockies Study Area The study area was defined so as to span the Crown of the Continent, Salmon-Selway, and Greater Yellowstone Ecosystem, and was delineated based on EPA Ecoregions as described in the Processing Steps. Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Shapefile; Tags: Biology, Biology, Conservation, Conservation, Crown of the Continent, All tags... Crown of the Continent, Data, Data.gov Great Northern Landscape Conservation Cooperative, EARTH SCIENCE > LAND SURFACE > LANDSCAPE, Ecology, Ecology, Ecosystem, Ecosystem, Greater Yellowstone Ecysystem, Greater Yellowstone Ecysystem, Idaho, Idaho, LCC Network Science Catalog, Land, Land, Montana, Montana, Natural Resources, Natural Resources, Northen Rockies, Northen Rockies, Northern Rockies, Northern Rockies, Policy makers & regulators, Regional & county planners, Salmon-Selway, Salmon-Selway, State agencies, United States, United States, Wyoming, Wyoming, boundaries, boundaries, completed, environment, environment, environment, location, location, study area, study area, Fewer tags U.S. Northern Rockies Major Roads This layer represents the major road network of the U.S. Northern Rockies. It was created by merging Montana Department of Transportation "on-system" routes with Idaho Transportation Department "state highway system" routes, creating consistent attribute fields, then clipping to the U.S. Northern Rockies study area boundary. Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Shapefile; Tags: Data, EARTH SCIENCE > LAND SURFACE > LANDSCAPE, Highways, Highways, Idaho, All tags... Idaho, LCC Network Science Catalog, Montana, Montana, Policy makers & regulators, Regional & county planners, State agencies, Wyoming, Wyoming, completed, environment, transportation, transportation, Fewer tags Road-Killed Wildlife Carcass Frequency, Connectivity Value, and Potential Risk Factors by Mile of U.S. Northern Rockies Major Roads (2008-2012) Wildlife carcasses recorded by Montana Department of Transportation, Idaho Department of Fish & Game, and U.S. Fish & Wildlife Service were aggregated to the nearest mile marker for major roads of the U.S. Northern Rockies. WGA connectivity flowlines were intersected with the road network and attributed to the nearest mile marker, along with their connectivity ranking, which indicates their expected relative importance to maintaining westwide connectivity. Values for potential risk factors, including average annual daily traffic (AADT), functional class, number of lanes, road surface width, landscape condition of surrounding habitat, ruggedness of surrounding landscape, and topographic position relative to surrounding... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Shapefile; Tags: AADT, AADT, Carnivores, Carnivores, Connectivity, All tags... Connectivity, Data, Data.gov Great Northern Landscape Conservation Cooperative, EARTH SCIENCE > LAND SURFACE > LANDSCAPE, Idaho, Idaho, LCC Network Science Catalog, Landscape condition, Landscape condition, Montana, Montana, Northern Rocky Mountains, Northern Rocky Mountains, Policy makers & regulators, Regional & county planners, Risk Assessment, Risk Assessment, Road mortality, Road mortality, Roadkill, Roadkill, Roads, Roads, State agencies, Topography, Topography, Traffic volume, Traffic volume, Transportation, Transportation, Ungulates, Ungulates, Western Montana, Western Montana, Wildlife, Wildlife, Wildlife corridors, Wildlife corridors, completed, environment, northern U.S. Rocky Mountains, northern U.S. Rocky Mountains, Fewer tags Road-Killed Carnivore Carcass Presence by Mile of U.S. Northern Rockies Major Roads (2008-2012) Carnivore carcasses recorded by Montana Department of Transportation, Idaho Department of Fish & Game, and U.S. Fish & Wildlife Service were aggregated to the nearest mile marker for major roads of the U.S. Northern Rockies. Note that wildlife carcass collection and reporting protocols and frequency differ between states and among maintenance sections within states. Carcass presence should therefore be used only to explore general patterns and not for statistical inference. Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Shapefile; Tags: Carnivores, Carnivores, Connectivity, Connectivity, Data, All tags... Data.gov Great Northern Landscape Conservation Cooperative, EARTH SCIENCE > LAND SURFACE > LANDSCAPE, Idaho, Idaho, LCC Network Science Catalog, Montana, Montana, Northern Rocky Mountains, Northern Rocky Mountains, Policy makers & regulators, Regional & county planners, Risk Assessment, Risk Assessment, Road mortality, Road mortality, Roadkill, Roadkill, Roads, Roads, State agencies, Transportation, Transportation, Western Montana, Western Montana, Wildlife, Wildlife, Wildlife corridors, Wildlife corridors, completed, environment, northern U.S. Rocky Mountains, northern U.S. Rocky Mountains, Fewer tags U.S. Northern Rockies Major Road Mile Markers This layer represents the mile markers along the major road network of the U.S. Northern Rockies. It was created by merging Montana Department of Transportation "on-system" routes with Idaho Transportation Department "state highway system" routes, creating consistent attribute fields, then clipping to the U.S. Northern Rockies study area boundary. Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Shapefile; Tags: Connectivity, Connectivity, Data, EARTH SCIENCE > LAND SURFACE > LANDSCAPE, Idaho, All tags... Idaho, LCC Network Science Catalog, Mile Markers, Mile Markers, Montana, Montana, Northern Rocky Mountains, Northern Rocky Mountains, Policy makers & regulators, Regional & county planners, Risk Assessment, Risk Assessment, Road mortality, Road mortality, Roadkill, Roadkill, Roads, Roads, State agencies, Transportation, Transportation, Western Montana, Western Montana, Wildlife, Wildlife, completed, environment, northern U.S. Rocky Mountains, northern U.S. Rocky Mountains, Fewer tags Distribution of the Yellowstone Grizzly Bear (2000-2014) The grizzly bear distribution boundary delineates the estimated geographic extent of occupied range of the Yellowstone grizzly bear population for the period 2000-2014. The distribution boundary was generated to provide reliable estimations of grizzly bear occupancy throughout time and for use as a monitoring tool in grizzly bear management and conservation. The boundary was delineated by the Interagency Grizzly Bear Study Team (IGBST) using an interpolation method based on grizzly bear telemetry and GPS locations as well as verified observations and signs of grizzly bears inside the Greater Yellowstone ecosystem during 2000 to 2014. Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Greater Yellowstone Ecosystem, Grizzly Bears, Idaho, Montana, Ursus arctos, All tags... Wyoming, Yellowstone National Park, bears, biota, distribution, ecology, grizzly bear, kriging, occupied range, range extent, Fewer tags