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Filters: Tags: Northern Continental Divide Ecosystem (X) > Types: Map Service (X)

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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...
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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.


    map background search result map search result map Randomized shortest paths for Grizzly Bear dispersal between the GYE and NCDE Grizzly bear mortalities in the Greater Yellowstone and Northern Continental Divide Ecosystems, 1998-2017 Randomized shortest paths for Grizzly Bear dispersal between the GYE and NCDE Grizzly bear mortalities in the Greater Yellowstone and Northern Continental Divide Ecosystems, 1998-2017