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Grizzly bear (Ursus arctos) habitat use maps delineate predicted habitat use for grizzly bears around the Bitterroot Ecosystem (BE), a federally designated recovery zone in western Montana and central Idaho. These raster data are the official data release for Sells and Costello (2024), “Predicting future grizzly bear habitat use in the Bitterroot Ecosystem under recolonization and reintroduction scenarios.” Many conservation actions must be implemented with limited data. This is especially true when planning recovery efforts for extirpated populations, such as grizzly bears within the Bitterroot Ecosystem (BE), where strategies for reestablishing a resident population are being evaluated. Here, we applied individual-based...
Grizzly bears (Ursus arctos) have been increasingly observed in central Montana’s plains in recent years. To assist with conservation planning, we sought to predict habitat use and connectivity pathways for grizzly bears east of the Northern Continental Divide Ecosystem (NCDE) and northeast of the Greater Yellowstone Ecosystem (GYE). We used the methods described in Sells et al. (2023b), "Predicted connectivity pathways between grizzly bear ecosystems in Western Montana," to simulate grizzly bear movements along the edges of the NCDE and GYE and into central Montana. Simulated grizzly bears used riparian areas in the plains most heavily, along with isolated mountain ranges. Based on known outlier locations and locations...
Grizzly bear (Ursus arctos) connectivity pathways for the Selkirk to Cabinet-Yaak Ecosystems delineate predicted movement routes for grizzly bears between these federally designated recovery zones. These raster data build on the official data release for Sells et al. (2023b), "Predicted connectivity pathways between grizzly bear ecosystems in Western Montana." In summary, Sells et al. (2023b) built on recent work by Sells et al. (2022, 2023a) to simulate movements using integrated step selection functions (iSSFs) developed from GPS-collared grizzly bears (F = 46, M = 19) in the Northern Continental Divide Ecosystem (NCDE). We applied the iSSFs to the Selkirk and Cabinet-Yaak Ecosystems to simulate habitat use between...
Grizzly bear (Ursus arctos) connectivity pathways delineate predicted movement routes for grizzly bears between federally designated recovery zones in and near western Montana. These raster data are the official data release for Sells et al. (2023), "Predicted connectivity pathways between grizzly bear ecosystems in Western Montana." In summary, we built on recent work by Sells et al. (2022, 2023) to simulate movements using integrated step selection functions (iSSFs) developed from GPS-collared grizzly bears (F = 46, M = 19) in the Northern Continental Divide Ecosystem (NCDE). We applied the iSSFs in a >300,000 km2 area including the NCDE, Cabinet–Yaak (CYE), Bitterroot (BE), and Greater Yellowstone (GYE) Ecosystems...
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