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Islam, M., Sahana, M., Areendran, G., Jamir, C., Raj, K., Sajjad, H. |
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Title |
Prediction of potential habitat suitability of snow leopard (Panthera uncia) and blue sheep (Pseudois nayaur) and niche overlap in the parts of western Himalayan region |
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2023 |
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Geo: Geography and Environment |
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10 |
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e00121 |
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1-15 |
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bioclimatic variables, habitat suitability, MaxEnt model, niche overlap, western Himalayan region |
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The snow leopard (Panthera uncia) and blue sheep (Pseudois nayaur) are the inhabitants of remote areas at higher altitudes with extreme geographic and climatic conditions. The habitats of these least-studied species are crucial for sustaining the Himalayan ecosystem. We employed the Maximum Entropy (MaxEnt) species distribution model to predict the potential habitat suitability of snow leopards and blue sheep and extracted common overlapped niches. For this, we utilised presence location, bio-climatic and environmental variables, and correlation analysis was applied to reduce the negative impact of multicollinearity. A total of 134 presence locations of snow leopards and 64 for blue sheep were selected from the Global Biodiversity Information Facility (GBIF). The annual mean temperature (Bio1) was found to be the most useful and highly influential factor to predict the potential habitat suitability of snow leopards. Annual mean temperature, annual precipitation and isothermality were the major influencing factors for blue sheep habitat suitability. Highly influential bio-climatic, topographic and environmental variables were integrated to construct the model for predicting habitat suitability. The area under the curve (AUC) values for snow leopard (0.87) and blue sheep (0.82) showed that the models are under good representation. Of the total area investigated, 47% was suitable for the blue sheep and 38% for the snow leopards. Spatial habitat assessment revealed that nearly 11% area from the predicted suitable habitat class of both species was spatially matched (overlapped), 48.6% area was unsuitable under niche overlap and 40.5% area was spatially mismatched niche. The presence of snow leopards and blue sheep in some highly suitable areas was not observed, yet such areas have the potential to sustain these elusive species. The other geographical regions interested in exploring habitat suitability may find the methodological framework adopted in this study useful for formulating an effective conservation policy and management strategy. |
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SLN @ rakhee @ |
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1719 |
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Anonymous |
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Preserving the snow leopard and its habitat |
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1996 |
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The Rolex Awards for Enterprise Journal |
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3 |
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habitat; Jackson; snow leopard |
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SLN @ rana @ 949 |
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85 |
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Anonymous |
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Save the Snow Leopard. (Road and Gas Pipeline Project Threatens Ecology of Siberia) |
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2000 |
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The Ecologist |
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30 |
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4 |
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14 |
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pipeline; siberia; Russia; ecology; habitat; environmentalism; browse; 1030 |
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An interregional organisation called Siberian Accord plans to construct a road and gas pipeline to China, This association, which has vast political powers, exists to create favorable conditions for investing in Siberia. |
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Copyright 2000 MIT Press Journals Document Type: English |
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SLN @ rana @ 393 |
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90 |
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Blomqvist, L.; Dexel, B. |
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In Focus: Declining numbers of wild snow leopards |
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Miscellaneous |
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2006 |
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EAZA Zoo News |
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26-27 |
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asia; Cites; conflict; habitat loss; herder; laws; poaching; protection; snow leopard; threat; trade; Uncia uncia |
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International collaboration to ensure the long-term survival of snow leopards (Uncia uncia) in the wild is today more acutely needed than ever! Trade in live snow leopards, their skins and bones, has during the last decade reached such extensiveness that the species is in danger of being wiped out from many of its former habitats. All recent surveys support declining populations throughout most of their range. |
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SLN @ rana @ 887 |
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172 |
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Blower, J.H. |
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Nature Conservation in Bhutan: Project Findings and Recommendations |
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Miscellaneous |
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1986 |
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Bhutan; habitat; status; distribution; browse; 2310 |
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Snow leopard is relatively common, but there is some destruction of its habitat in Northern Bhutan |
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UNDP/FAO Project. BHU/83/002 Field Document. |
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SLN @ rana @ 88 |
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175 |
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Braden, K. |
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The Geographical Distribution of the Snow Leopard in the USSR: Maps of Areas of Snow Leopard Habitation in the USSR |
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1982 |
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International Pedigree Book of Snow Leopards |
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3 |
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25-39 |
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Russia; Ussr; U.S.S.R.; Soviet-Union; status; distribution; maps; browse; soviet union; soviet; union; habitat; 2320 |
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Reviews published information from the USSR vs past status of the snow leopard in various parts of its range within that country. Maps provide locations in the USSR of evidence of snow leopard occurence from published records of the species over the last 100 yrs. |
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SLN @ rana @ 64 |
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189 |
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Dang, H. |
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The snow leopard and its prey |
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1967 |
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The Cheetal |
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11 |
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47-58 |
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India; predator; prey; hunting; status; distribution; kills; behavior; predation; habitat; browse; 2330 |
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Discusses distribution and habitat of snow leopard in India. Estimates population of 200-400 in entire Himalayan region. Reports seventeen occasions of observing snow leopards in the wild, one involving the killing of Himalayan thar. Discusses snow leopard hunting methods and food habits, and provides evidence of predation from examination of 17 snow leopard kills. |
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SLN @ rana @ 17 |
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231 |
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Fox, J.L. |
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A review of the status and ecology of the snow leopard (Panthera uncia) |
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1989 |
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status; ecology; distribution; browse; behavior; Russia; China; Mongolia; Soviet-Union; Pakistan; India; Nepal; Afganastan; Bhutan; mating; sexual-behavior; research; surveys; scrapes; sprays; habitat; 2050 |
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Full Text at URL |
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SLN @ rana @ 137 |
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294 |
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International Snow Leopard Trust |
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Title |
Assessing Presence, relative abundance and habitat of snow leopards and their prey: a handbook of field techniques |
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1992 |
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habitat; surveys; methods; field-techniques; assessment; prey; browse; field techniques; field; techniques; 2700 |
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Seattle, Washington. Out of date; no longer in circulation. |
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SLN @ rana @ 197 |
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405 |
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Jackson, R.; Ahlborn, G. |
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A high altitude survey of the Hongu valley with special emphasis on snow leopard |
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Miscellaneous |
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1987 |
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Hongu; Nepal; habitat; distribution; browse; 2360 |
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Unpublished report submitted to The Mountain Institute and Department of National Parks and Wildlife Conservation, Kathmandu, Nepal. Date of Copyright: 1987 |
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SLN @ rana @ 109 |
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438 |
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