Records |
Author |
Ale, S.B., Brown, J.S. |
Title |
Prey behavior leads to predator: a case study of the Himalayan tahr and the snow leopard in Sagarmatha (Mt. Everest) National Park, Nepal |
Type |
Journal Article |
Year |
2009 |
Publication |
Israel Journal of Ecology & Evolution |
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55 |
Issue |
4 |
Pages |
315-327 |
Keywords |
vigilance, fear, behavioral indicator, predator, prey, snow leopard, Himalayan tahr, Mount Everest |
Abstract |
Rare, elusive predators offer few sightings, hindering research with small sample sizes and lack of experimentation. While predators may be elusive, their prey are more readily observed. Prey respond to the presence of a predator, and these fear responses may have population- and community-level consequences. Anti-predator behaviors, such as vigilance, allow us to sidestep the difficulty of direct field studies of large predators by studying them indirectly. Here we used a behavioral indicator, the vigilance behavior of the Himalayan tahr, the snow leopard’s main local prey, to reveal the distribution and habitat use of snow leopards in the Mt. Everest region of Nepal. We combined techniques of conventional field biology with concepts of foraging theory to study prey behavior in order to obtain insights into the predator’s ecology. The Himalayan tahr’s vigilance behavior correlates with the distribution of snow leopard signs. Tahr actually led us to six sightings of snow leopards. We conclude that behavioral indicators provided by prey offer a valuable tool for studying and monitoring stealthy and rare carnivores. |
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Science from Israel, a division of LPPLtd. |
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Israel |
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English |
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English |
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1109 |
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Author |
Ale, S.B., Boesi, R. |
Title |
Snow Leopard Sightings on the Top of the World |
Type |
Journal Article |
Year |
2005 |
Publication |
Cat News |
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Volume |
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Issue |
43 |
Pages |
19-20 |
Keywords |
Mt.Everest, Sagarmatha National Park, sightings, snow leopard, Uncia uncia |
Abstract |
Sightings of snow leopards Uncia uncia in the wild are rare. This is because snow leopards occur in low numbers and are very elusive (Schaller 1977). Snow leopards may be sparsely distributed,but they may not, however, be very elusive in the world's highest park, Sagarmatha (Mt. Everest) National Park (86° 30' 53“ E to 86° 99' 08” E and 27° 46' 19“ N to 27° 06' 45” N) in Nepal. |
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1111 |
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Ale, S., Thapa, K., Jackson, R., Smith, J.L.D. |
Title |
The fate of snow leopards in and around Mt. Everest |
Type |
Journal Article |
Year |
2010 |
Publication |
Cat News |
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53 |
Issue |
Autumn |
Pages |
19-21 |
Keywords |
Mt. Everest, Everest, Rolwaling, snow leopard, re-colonize, Nepal |
Abstract |
Since the early 2000s snow leopards Panthera uncia have re-colonized the southern slopes of Mt. Everest after several decades of extirpation. Are they now beginning to disperse to the adjoining valleys that may serve as habitat corridors linking the Everest region to other protected areas in Nepal? We conducted a cursory survey in autumn 2009 in Rolwaling lying west of Mt. Everest and detected snow leopard presence. We conclude that in these remote valleys snow leopards must rely upon livestock given the low abundance of natural prey, Himalayan tahr. Livestock-rearing is unfortunately declining in the region. Rolwaling requires immediate conservation attention for the continued survival of the endangered snow leopard and other high altitude flora and fauna. |
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1181 |
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Author |
Ale, S., Shrestha, B., and Jackson, R. |
Title |
On the status of Snow Leopard Panthera Uncia (Schreber 1775) in Annapurna, Nepal |
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Journal Article |
Year |
2014 |
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Journal of Threatened Taxa |
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6(3) |
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5534-5543 |
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Annapurna, Blue Sheep, Buddhism, camera-trapping, Himalayas, Mustang, sign-survey, Snow Leopard. |
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SLN @ rakhee @ |
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1407 |
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Author |
Ale S. |
Title |
Have snow leopards made a comeback to the Everest region of Nepal? |
Type |
Report |
Year |
2005 |
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Pages |
1-21 |
Keywords |
snow; snow leopards; snow leopard; snow-leopards; snow-leopard; leopards; leopard; region; Nepal; Report; International; international snow leopard trust; International-Snow-Leopard-Trust; trust; program; 1960; endangered; Sagarmatha; High; Himalaya; tourism; impact; establishment; national; national park; National-park; park; 1980; area; Tibet; surveys; survey; status; Cats; cat; prey; research; project; sign; transects; transect; length; valley; Response; hunting; recovery; Himalayan; tahr; density; densities; range; pugmarks; sighting; 60; study; population; predators; predator; structure; prey species; prey-species; species; populations; mortality; effects; predation; population dynamics |
Abstract |
In the 1960s, the endangered snow leopard was locally extirpated from the Sagarmatha (Mt. Everest) region of Nepal. In this Sherpa-inhabited high Himalaya, the flourishing tourism since the ascent of Mt Everest in 1953, has caused both prosperity and adverse impacts, the concern that catalyzed the establishment of Mt. Everest National Park in the region in 1976. In the late 1980s, there were reports that some transient snow leopards may have visited the area from adjoining Tibet, but no biological surveys exist to confirm the status of the cats and their prey. Have snow leopards finally returned to the top of the world? Exploring this question was the main purpose of this research project. We systematically walked altogether 24 sign transects covering over 13 km in length in three valleys, i.e. Namche, Phortse and Gokyo, of the park, and counted several snow leopard signs. The results indicated that snow leopards have made a comeback in the park in response to decades of protective measures, the virtual cessation of hunting and the recovery of the Himalayan tahr which is snow leopard's prey. The average sign density (4.2 signs/km and 2.5 sign sites/km) was comparable to that reported from other parts of the cats' range in the Himalaya. On this basis, we estimated the cat density in the Everest region between 1 to 3 cats per 100 sq km, a figure that was supported by different sets of pugmarks and actual sightings of snow leopards in the 60 km2 sample survey area. In the study area, tahr population had a low reproductive rate (e.g. kids-to-females ratio, 0.1, in Namche). Since predators can influence the size and the structure of prey species populations through mortality and through non-lethal effects or predation risk, snow leopards could have been the cause of the population dynamics of tahr in Sagarmtha, but this study could not confirm this speculation for which further probing may be required. |
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Progress report for the International Snow Leopard Trust Small Grants Program. |
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SLN @ rana @ 1063 |
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50 |
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Author |
Akimushkin I. |
Title |
Snow leopard or irbis |
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Miscellaneous |
Year |
1971 |
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210-211 |
Keywords |
Ussr; snow leopard; distribution; behavior; reproduction.; 5990; Russian |
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The biology of snow leopard is described in a popular form. Information of distribution, behavior and reproductive biology, etc. is given. |
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Full text available in RussianJournal Title: Animal kingdom. |
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SLN @ rana @ 578 |
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48 |
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Akimushkin I. |
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Snow leopard or irbis |
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Miscellaneous |
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1988 |
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139-140 |
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Ussr; snow leopard; number; food; behavior; reproduction; threats.; 6000; Russian |
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Snow leopard behavioral patterns, food preferences, and reproduction are described in a popular way. The population of snow leopard is defined to be 1,000 animals. A reason for the population decline is hunting for the sake of beautiful fur. |
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Full text available in RussianJournal Title: Animal kingdom. Mammals or animals. |
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SLN @ rana @ 579 |
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49 |
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Author |
Aizin B.M. |
Title |
Siberian ibex Capra sibirica Pall |
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Miscellaneous |
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1969 |
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98-105 |
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Kyrgyzsatn; Siberian ibex; distribution; life history; diet; predators; snow leopard.; 5890; Russian |
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It describes status of ibex in Kyrgyzstan, its distribution, behavioral patterns, enemies and competitors, etc. The enemies of ibex are snow leopard and wolf. All year round snow leopard preys on ibex its main food object and, therefore, should there be ibexes, snow leopards would be somewhere around. In winter, a considerable number of ibex dies from wolves. Sometimes dogs prey on ibex, too. Golden eagles and bearded vultures prey on young ibexes. However, poachers remain the most dangerous enemy. |
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Full text available in RussianJournal Title: Game species of Kyrgyzstan. |
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SLN @ rana @ 568 |
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44 |
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Author |
Aizin B.M. |
Title |
Distribution, number and seasonal behavioral patterns of Panthera uncia Scheber in Kyrgyzstan |
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Miscellaneous |
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1974 |
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Vol. 1. |
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19-20 |
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Kyrgyzstan; snow leopard; distribution; number; trade.; 5900; Russian |
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In Kyrgyzstan, snow leopard can be met almost in all mountain ridges (Kok-Kiya, Atbasha, Kyrgyz, Terskey, Kungei, Talas, Chatkal, Alai, Zaalai), where it keeps to alpine meadow, woodless rock and snowfield zones. The number of snow leopard does not exceed 1,500 animals. Seven to 10 animals are annually caught for the needs of zoo-export. |
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Full text available in RussianJournal Title: Proceedings of the 1st international congress on mammals. |
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SLN @ rana @ 569 |
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45 |
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Author |
Aizin B.M. |
Title |
Rare predatory mammal species and their protection in Kyrgyzstan |
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Miscellaneous |
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1979 |
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4-5 |
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Kyrgyzstan; snow leopard; distribution; number; trade.; 5910; Russian |
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Snow leopard is met in all mountain ridges in Kyrgyzstan. Every year 7 10 animals are caught for the purpose of zoo export. Total population of snow leopard in the country does not exceed 1,400 animals. |
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Full text available in RussianJournal Title: Ecologic fundamentals of predatory mammals' protection and sustainable use. |
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SLN @ rana @ 570 |
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46 |
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