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Habitat occupancy of sloth bear Melursus ursinus in Chitwan National Park, Nepal

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Title: Habitat occupancy of sloth bear Melursus ursinus in Chitwan National Park, Nepal
Authors: Paudel, Rajan Prasad Browse this author
Kadariya, Rabin Browse this author
Lamichhane, Babu Ram Browse this author
Subedi, Naresh Browse this author
Sashika, Mariko Browse this author
Shimozuru, Michito Browse this author
Tsubota, Toshio Browse this author →KAKEN DB
Keywords: Chitwan National Park
habitat use
sloth bear
wildlife conservation
Issue Date: 6-Mar-2022
Publisher: John Wiley & Sons
Journal Title: Ecology and evolution
Volume: 12
Issue: 3
Start Page: e8699
Publisher DOI: 10.1002/ece3.8699
Abstract: Mammals have experienced a massive decline in their populations and geographic ranges worldwide. The sloth bear, Melursus ursinus (Shaw, 1791), is one of many species facing conservation threats. Despite being endangered in Nepal, decades of inattention to the situation have hindered their conservation and management. We assessed the distribution and patterns of habitat use by sloth bears in Chitwan National Park (CNP), Nepal. We conducted sign surveys from March to June, 2020, in 4 x 4 km grids (n = 45). We collected detection/non-detection data along a 4-km trail that was divided into 20 continuous segments of 200 m each. We obtained environmental, ecological, and anthropogenic covariates to understand determinants of sloth bear habitat occupancy. The data were analyzed using the single-species single-season occupancy method, with a spatially correlated detection. Using repeated observations, these models accounted for the imperfect detectability of the species to provide robust estimates of habitat occupancy. The model-averaged occupancy estimate for the sloth bear was 69% and the detection probability was 0.25. The probability of habitat occupancy by sloth bears increased with the presence of termites and fruits and in rugged, dry, open, undisturbed habitats. Our results indicate that the sloth bear is elusive, functionally unique, and widespread in CNP. Future conservation interventions and action plans aimed at sloth bear management must adequately consider their habitat requirements.
Rights: Habitat occupancy of sloth bear Melursus ursinus in Chitwan National Park, Nepal/Rajan Prasad Paudel, Rabin Kadariya, Babu Ram Lamichhane, Naresh Subedi, Mariko Sashika, Michito Shimozuru, Toshio Tsubota/Ecology and Evolution 12(3). Copyright (c) 2022 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd.
Type: article
Appears in Collections:獣医学院・獣医学研究院 (Graduate School of Veterinary Medicine / Faculty of Veterinary Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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