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Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Extensions Shapefile (11) Types Downloadable (11) Map Service (11) OGC WFS Layer (11) Shapefile (11) Citation (6) Contacts U.S. Geological Survey, NORTHWEST REGION Lisa Landenburger Interagency Grizzly Bear Study Team (Bjornlie et al. 2014) Interagency Grizzly Bear Study Team U.S. Fish and Wildlife Service More... Categories Data (11) Tag Types Place (11) Theme (11) Tag Schemes None (11) Common geographic areas (3) USGS Thesaurus (4) Geographic Names Information System (1) ISO 19115 Topic Category (3) USGS Biocomplexity (1) View Results as: JSON ATOM CSV

Grizzly Bear Recovery Zone for the Greater Yellowstone Ecosystem The Grizzly Bear Recovery Zone (GBRZ) for the Greater Yellowstone Ecosystem (GYE) delineates the area inside the GYE where demographic and habitat criteria were applied, monitored, and evaluated to achieve recovered status of the Yellowstone grizzly bear population. The GBRZ was established by the U.S. Fish and Wildlife Service (USFWS) in 1993 as part of the Recovery Plan for grizzly bears in the lower 48 conterminous United States. The recovery zone boundary identifies the known distribution of bears at that time and encompasses seasonal habitats needed to support a recovered population. The GYE recovery zone spans portions of Montana, Idaho and Wyoming and includes parts of 5 National Forests (Beaverhead-Deerlodge,... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Beaverhead-Deerlodge National Forest, Bridger-Teton National Forest, Caribou-Targhee National Forest, Custer-Gallatin National Forest, Grand Teton National Park, All tags... Grizzly Bear, Idaho, Montana, Shoshone National Forest, Wyoming, Yellowstone, boundary, ecosystem, habitat, recovery, Fewer tags Distribution of the Yellowstone Grizzly Bear (2004 - 2018) The grizzly bear distribution boundary represents the estimated geographic extent of occupied range of the Yellowstone grizzly bear population for the period 2004-2018. The distribution boundary was delineated 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 2004 to 2018. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Beaverhead-Deerlodge, Bridger-Teton, Caribou-Targhee, Custer-Gallatin, Grand Teton, All tags... Grand Teton, Greater Yellowstone Ecosystem, Grizzly Bear, Idaho, Idaho, Montana, Montana, Occupancy, Shoshone, Wyoming, Wyoming, Yellowstone, Yellowstone, bears, boundary, distribution, ecosystem management, Fewer tags Distribution of the Yellowstone Grizzly Bear (1980-1989) The grizzly bear distribution boundary represents the estimated geographic extent of occupied range of the Yellowstone grizzly bear population for the period 1980-1989. The distribution boundary was delineated 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 1980 to1989. Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Beaverhead-Deerlodge, Bridger-Teton, Caribou-Targhee, Gallatin-Custer, Grand Teton, All tags... Grizzly Bear, Idaho, Montana, Occupancy, Shoshone, Wyoming, Yellowstone, boundary, distribution, Fewer tags Flight Observation Units for Monitoring the Yellowstone Grizzly Bear Population Flight Observation Units, also referred to as Bear Observation Areas (BOAs), were delineated by the Interagency Grizzly Bear Study Team (IGBST) to facilitate systematic aerial monitoring of the grizzly bear population within the Greater Yellowstone Ecosystem. Flight units were last updated in 2014 to depict 54 distinct observation areas spanning the spatial extent of the Demographic Monitoring Area established for the Yellowstone grizzly bear population. Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Idaho, Montana, Wyoming, Yellowstone, Yellowstone, All tags... Yellowstone ecosystem, flight unit, grizzly bear, monitor, observation unit, population, Fewer tags Grizzly Bear Recovery Zones in the Lower 48 United States Grizzly bear recovery zones were established by the U.S. Fish and Wildlife Service in 1993 to delineate regions in the lower 48 states that have sufficient habitat to target recovery for five, and possibly six remnant grizzly bear populations. Recovery zones represent the five known populations in the lower 48 United States including the Northern Continental Divide, Greater Yellowstone, Cabinet-Yaak, Selkirk, and North Cascade populations. The bitterroot ecosystem in Idaho represents the possible sixth population. The grizzly bear once ranged across a large portion of western North America from northern Mexico to Alaska and across much of Canada. Current distribution in the lower 48 United States is reduced to less... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Cabinet-Yaak, Greater Yellowstone, Idaho, Montana, Northern Cascades, All tags... Northern Continental Divide, Selkirk, Selway-Bitterroot, Washington, Wyoming, boundary, ecosystem, grizzly bear, habitat, recovery, Fewer tags Grizzly bear mortalities in the Greater Yellowstone and Northern Continental Divide Ecosystems, 1998-2017 This dataset provides numbers of documented mortalities for independent aged ( ≥ 2-years-old) grizzly bears (Ursus arctos) from human and undetermined causes that occurred during 1998–2017 within 49-km2 (7- x 7-km) grid cells from the Greater Yellowstone (GYE) and Northern Continental Divide (NCDE) ecosystems of the western United States. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Greater Yellowstone Ecosystem, Idaho, Montana, Northern Continental Divide Ecosystem, United States, All tags... Wyoming, Yellowstone, anthropomorphic, biota, ecosystem management, grizzly bear, mortality, Fewer tags Distribution of the Yellowstone Grizzly Bear (2000-2014) The grizzly bear distribution boundary represents the estimated geographic extent of occupied range of the Yellowstone grizzly bear population for the period 2000-2014. The distribution boundary was delineated 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: Beaverhead-Deerlodge, Bridger-Teton, Caribou-Targhee, Gallatin-Custer, Grand Teton, All tags... Grizzly Bear, Idaho, Montana, Occupancy, Shoshone, Wyoming, Yellowstone, boundary, distribution, Fewer tags Potential grizzly bear passage along major road corridors in northwest Montana This dataset consists of point features identifying indices for potential passage rate at intersections with major transportation corridors for grizzly bear movements between the Greater Yellowstone Ecosystem (GYE) and Northern Continental Divide Ecosystem (NCDE) in the northwestern United States. Points are spaced at 300-meter intervals along major road corridors (interstates and U.S. highways) and are populated with values from Randomized Shortest Path (RSP) predictive raster models of potential male grizzly bear movement between the two ecosystems as described in Peck et al. 2016 (Potential paths for male-mediated gene flow to and from an isolated grizzly bear population, Ecosphere 8(10):e01969). RSP scores extracted... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Greater Yellowstone Ecosystem, Idaho, Montana, United States, biota, All tags... dsipersal, ecosystems, grizzly bear, highways, interstates, movement, pathways, Fewer tags Distribution of the Yellowstone Grizzly Bear (1990-2000) The grizzly bear distribution boundary represents the estimated geographic extent of occupied range of the Yellowstone grizzly bear population for the period 1990-2000. The distribution boundary was delineated 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 1990 to 2000. Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Beaverhead-Deerlodge, Bridger-Teton, Caribou-Targhee, Gallatin-Custer, Grand Teton, All tags... Grizzly Bear, Idaho, Montana, Occupancy, Shoshone, Wyoming, Yellowstone, boundary, distribution, 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 Distribution of the Yellowstone Grizzly Bear (1973-1979) The grizzly bear distribution boundary represents the estimated geographic extent of occupied range of the Yellowstone grizzly bear population for the period 1973-1979. The distribution boundary was delineated 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 1973 to1979. Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Beaverhead-Deerlodge, Bridger-Teton, Caribou-Targhee, Gallatin-Custer, Grand Teton, All tags... Grizzly Bear, Idaho, Montana, Occupancy, Shoshone, Wyoming, Yellowstone, boundary, distribution, Fewer tags