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| Author |
Islam, M., Sahana, M., Areendran, G., Jamir, C., Raj, K., Sajjad, H. |
| 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 |
Type |
Journal Article |
| Year |
2023 |
Publication |
Geo: Geography and Environment |
Abbreviated Journal |
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Volume  |
10 |
Issue |
e00121 |
Pages |
1-15 |
| Keywords |
bioclimatic variables, habitat suitability, MaxEnt model, niche overlap, western Himalayan region |
| Abstract |
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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Lovari, S., Boesi, R., Minder, I., Mucci, N., Randi, E., Dematteis, A., and Ale, S. B. |
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Restoring a keystone predator may endanger a prey species in a human-altered ecosystem: the return of the snow leopard to Sagarmatha National Park |
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Journal Article |
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2009 |
Publication |
Animal Conservation |
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12 |
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559-570 |
| Keywords |
conservation, food habits, genetics, Hemitragus jemlahicus, Himalayan tahr, management, microsatellite, predation, presence, scat, scat analysis, snow leopard, Uncia uncia |
| Abstract |
Twenty-five years ago, the snow leopard Uncia uncia, an endangered large cat, was eliminated from what is now Sagarmatha National Park (SNP). Heavy hunting pressure depleted that area of most medium-large mammals, before it became a park. After three decades of protection, the cessation of hunting and the recovery of wild ungulate populations, snow leopards have recently returned (four individuals). We have documented the effects of the return of the snow leopard on the population of its main wild prey, the Himalayan tahr Hemitragus jemlahicus, a 'near-threatened' caprin. Signs of snow leopard presence were recorded and scats were collected along a fixed trail (130 km) to assess the presence and food habits of the snow leopard in the Park, from 2004 to 2006. Himalayan tahr, the staple of the diet, had a relative occurrence of 48% in summer and 37% in autumn, compared with the next most frequent prey, musk deer Moschus chrysogaster (summer: 20%; autumn: 15%) and cattle (summer: 15%; autumn: 27%). In early summer, the birth rate of tahr (young-to-female ratio: 0.8-0.9) was high. The decrease of this ratio to 0.1-0.2 in autumn implied that summer predation concentrated on young tahr, eventually altering the population by removing the kid cohort. Small populations of wild Caprinae, for example the Himalayan tahr population in SNP, are sensitive to stochastic predation events and may be led to almost local extinction. If predation on livestock keeps growing, together with the decrease of Himalayan tahr, retaliatory killing of snow leopards by local people may be expected, and the snow leopard could again be at risk of local extinction. Restoration of biodiversity through the return of a large predator has to be monitored carefully, especially in areas affected by humans, where the lack of important environmental components, for example key prey species, may make the return of a predator a challenging event. |
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1122 |
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Fox, J.; Nurbu, C.; Bhatt, S.; Chandola, A. |
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Wildlife conservation and land-use changes in the Transhimalayan region of Ladakh, India |
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Miscellaneous |
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1994 |
Publication |
Mountain-Research-and-Development. |
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14 |
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1 |
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39-60 |
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conservation; India; Ladakh; land use; livstock; protected area; transhimalayan; Transhimalayan-Region |
| Abstract |
Changes in economy and land use are under way in the Indian Transhimalayan region of Ladakh, creating both negative and positive prospects for wildlife conservation in this sparsely populations and previously remote area. New livestock breeds, irrigation developments, farming practices, foreign tourists, and a large military presence are changing the way people view and use the mountainous land that surrounds them. With only 0.3% of the land currently arable, changes in wildlife and natural resource conservation are most apparent on Ladakh's extensive rangelands which are apparently undergoing a redistribution of use associated with social changes and recently introduced animal husbandry and farming practices. International endangered species such as the snow leopard, several wild ungulates, and the black-necked crane provide special incentive for conservation efforts in what are some of the best remaining natural areas in the mountainous regions to the north of the Himalayan crest. The success of newly created protected areas for wildlife conservation in Ladakh rests on an understanding of the effects of various development directions, a commitment to environmentally sensitive development amid the many competing demands on Ladakh's natural resources, conservation laws appropriate to human needs, and a clear recognition that solutions can be neither directly adaptable from other mountainous areas nor even widely applicable across the Himalayan region. |
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SLN @ rana @ 930 |
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286 |
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Vipin, Golla, T. R., Sharma, V., Kumar, B. K., Gaur, A. |
| Title |
Kleptoparasitic interaction between Snow Leopard Panthera uncia and Red Fox Vulpes vulpes suggested by circumstantial evidence in Pin Valley National Park, India |
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Journal Article |
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2022 |
Publication |
Journal of Threatened Taxa |
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14 |
Issue |
10 |
Pages |
21928-21935 |
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Animal interaction, carnivore, mammals, prey, Trans-Himalaya. |
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In the present study, we describe an interspecific kleptoparasitic interaction between two sympatric mammalian carnivores in the high altitudinal Trans-Himalaya region of Himachal Pradesh, India. The study was based on the inferences drawn from the circumstantial evidence (direct and indirect) noticed in the study area in Pin Valley National Park. The inferences from the analysis of the evidence suggested the interaction between a Snow Leopard Panthera uncia, a Red Fox Vulpes vulpes, and a donkey. The arrangement of evidence in a sequential manner suggested that a donkey was killed by a Snow Leopard and a Red Fox stole the food from the carrion of the Snow Leopard’s prey. The Red Fox was killed by the Snow Leopard, which was caught while stealing. The present study represents an example of kleptoparasitic interaction between the Snow Leopard and the Red Fox. This study also proves that such interactions may cost the life of a kleptoparasite and supports the retaliation behaviour of Snow Leopards. |
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1702 |
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Ahmad, A. |
| Title |
Environmental impact assessment in the Himalayas: An ecosystem approach |
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Miscellaneous |
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1993 |
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Ambio |
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22 |
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1 |
Pages |
4-9 |
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assessment; environmental; Himalayas; impact |
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The impact of human activities on the Himalayan bio-geophysical, socioeconomic and cultural environments has been analyzed. The main man-induced activities which threaten the equilibrium of Himalayan Mountain ecosystems are unplanned land use, cultivation on steep slopes, overgrazing, major engineering activities, overexploitation of village or community forests, shifting cultivation, unplanned tourism and urbanization. Cold desert conditions prevail in 41 692 square kilometers of the northwestern Himalayas. The geomorphological conditions and arrested succession, checking the climax formation, are major causes of landslides. Sedimentation, changes in surface and groundwater hydrology and clearfelling of broadleaved plant species have caused eutrophication, drying up of natural springs and receding of glaciers. Wild fauna like Musk deer (Moschus mischiferus) and Snow Leopard (Panthera uncial) are now under threat due to changes in their habitats. Population pressure, migration and settlements are major causes of poverty and agglomeration. And jeopardize the Himalayan environment. Based on detailed environmental impact assessment, an ecosystem approach has been proposed for resources conservation and environmentally sustainable development of the Himalayas. |
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SLN @ rana @ 929 |
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39 |
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Namgail, T.; Fox, J.; Bhatnagar, Y. |
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Habitat shift and time budget of the Tibetan argali: the influence of livestock grazing |
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Miscellaneous |
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2007 |
Publication |
Ecological Resources |
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22 |
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25-31 |
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habitat shift; livestock; Tibetan argali; Time budget; trans-himalaya |
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Livestock production is the primary source of livelihood and income in most of the high steppe and alpine regions of the Indian Trans-Himalaya. In some areas, especially those established or proposed for biodiversity conservation, recent increases in populations of domestic livestock, primarily sheep and goats, have raised concern about domestic animals competitively excluding wild herbivores from the rangelands. We
evaluated the influence of domestic sheep and goat grazing on the habitat use and time budget of the endangered Tibetan argali Ovis ammon hodgsoni in the proposed Gya-Miru Wildlife Sanctuary, Ladakh, India. We asked if the domestic sheep and goat grazing and collateral human activities relegate the argali to suboptimal habitats, and alter their foraging time budgets. Data were collected on habitat use and time budget of a population of c. 50 argalis before and after c. 2,000 sheep and goats moved onto their winter pasture in the Tsabra catchment of the aforementioned reserve. Following the introduction of domestic sheep and goats, argalis continued to use the same catchment but shifted to steeper habitats, closer to cliffs, with lower vegetation cover, thus abandoning previously used plant communities with denser cover. Argalis' active time spent foraging also decreased by 10% in response to the presence of livestock. These results suggest a clear disturbance effect of livestock on argalis, and indicate a potential for competition, conceivably a significant disadvantage for argalis in winter when forage availability is minimal. |
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SLN @ rana @ 926 |
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713 |
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Mishra, C. |
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Livestock depredation by large carnivores in the Indian trans-Himalaya: Conflict perceptions and conservation prospects |
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Journal Article |
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1997 |
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Environmental Conservation |
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24 |
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4 |
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338-343 |
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canis lupis; carnivore; conflict; human-wildlife conflict; India; livestock; livestock depredation; snow leopard; trans-himalaya; Uncia uncia; wolf |
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Livestock depredation by the snow leopard, Uncia uncia, and the wolf, Canis lupus, has resulted in a human-wildlife conflict that hinders the conservation of these globally-threatened species throughout their range. This paper analyses the alleged economic loss due to livestock depredation by these carnivores, and the retaliatory responses of an agro-pastoral community around Kibber Wildlife Sanctuary in the Indian trans-Himalaya. The three villages studied (80 households) attributed a total of 189 livestock deaths (18% of the livestock holding) over a period of 18 months to wild predators, and this would amount to a loss per household equivalent to half the average annual per capita income. The financial compensation received by the villagers from the Government amounted to 3% of the perceived annual loss. Recent intensification of the conflict seems related to a 37.7% increase in livestock holding in the last decade. Villagers have been killing the wolf, though apparently not the snow leopard. A self-financed compensation scheme, and modification of existing livestock pens are suggested as area-specific short-term measures to reduce the conflict. The need to address the problem of increasing livestock holding in the long run is emphasized. |
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Document Type: English |
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SLN @ rana @ 333 |
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689 |
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Gaston, A.J.; Garson, P.J.; Hunter, M.L. |
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The status and conservation of forest wildlife in Himachal Pradesh, Western Himalayas |
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1983 |
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Biological Conservation |
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27 |
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4 |
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291-314 |
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Himachal; park; conservation; Himalayas; reserves; refuge; protected-area; browse; protected; area; 890 |
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The wildlife of temperate forest ecosystems in the Western Himalayas is threatened by destruction of habitat and hunting. Two species of pheasants occuring in the survey area (western tragopan Tragopan melanocephalus and cheer pheasant Catreus wallichi) are listed in the IUCN Red Data Book (1979). Small populations of both species were located and information on their habitat requirements was obtained. The status of most large mammal species appears to be precarious, with the populations encountered being small and fragmented. Species formerly common but now rare include Himalayan brown bear Ursus arctos, Himalayan tahr Hemitragus jemlahicus and musk deer Moschus moschiferus. The snow leopard Panthera uncia has disappeared completely from the area.-from Authors |
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Document Type: English |
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SLN @ rana @ 58 |
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333 |
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Fox, J.L.; Chundawat, R.S. |
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Wolves in the Transhimalayan region of India: The continued survival of a low-density population |
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1995 |
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Canadian Circumpolar Institute Occasional Publication No.35; Ecology and conservation of wolves in a changing world |
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35 |
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95-103 |
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Competition; Population-Density; Tibetan-Wolf; Transhimalayan-Region; Wildlife-Management; browse; population; density; tibetan; wolf; wildlife; management; transhimalayan; region; 710 |
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Canadian Cirumpolar Institute, University of Alberta, Edmonton, Alberta, Canada/Second North American Symposium on Wolves, Edmonton, Alberta, Canada, August 25-27, 1992 |
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SLN @ rana @ 272 |
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306 |
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Hussain, S. |
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The status of the snow leopard in Pakistan and its conflict with local farmers |
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Miscellaneous |
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2003 |
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Oryx |
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37 |
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26-33 |
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Central Karakorum,farmer-wildlife conflict; livestock predation,snow leopard,Uncia uncia,; Western Himalayas. |
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Between 1998 and 2001 I carried out surveys in four areas in the Baltistan district of the Northern Areas of Pakistan to estimate the population of the snow leopard and to examine the threats to its future conservation. I estimate that a total of 36-50 snow leopards are present in the areas surveyed. Based on the availability of suitable snow leopard habitat and of its prey species, I estimate that 90-120 snow leopards are potentially present in Baltistan and 300-420 throughout its range within Pakistan's borders. Although this estimate is higher than extrapolations based on earlier surveys, the long-term future of the snow leopard is under threat. This is mainly due to retaliatory killings by farmers, and poaching for pelts and other body parts. Species-focused conservation policies, particularly those targeting ungulates for the promotion of trophy hunting, may constitute an additional threat to snow leopard conservation in the region. However, all forms of threats to the snow leopard in Baltistan appear to emanate from the relatively poor economic conditions of the local people. |
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401 |
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