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Zhang, L., Lian, X., Yang, X |
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Title |
Population density of snow leopards (Panthera Uncia) in the Yage Valley Region of the Sanjiangyuan National Park: Conservation Implications and future directions |
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Journal Article |
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2020 |
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Artic, Antartic and Alpine Research |
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52 |
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1 |
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541-550 |
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Snow leopard; population density; camera trapping; Tibetan Plateau; alpine ecosystem |
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Population-based studies on snow leopard (Panthera uncia) are of theoretical and practical sig- nificance for the conservation of alpine ecosystems, though geographic remoteness and isolation hinder surveys in many promising regions. The Sanjiangyuan National Park on the Tibetan Plateau is acknowledged as a main snow leopard habitat, but most of the region remains unexplored and unknown. We adopted a combined approach of route survey and camera trapping survey to explore the population density of snow leopard in the Yage Valley region of the Sanjiangyuan National Park. Results indicated that (1) large populations of blue sheep contributed to the major food supply for snow leopards, along with diverse prey species as dietary supplementations, and (2) a population density of four to six snow leopards per 100 km2 on the north bank was estimated, and nine to fourteen individuals within the valley core areas were identified. We also argue that under the potential impacts of hydropower dams, this valley ecosystem should be symbolized as a conservation hotspot and therefore merits prioritized conservation. We recommend further surveys combined with novel methods/techniques and advocate a sustainable ecotourism model for the first V-shaped valley along the Yangtze mainstream. |
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1619 |
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Sharma, R. K., Sharma, K., Borchers, D., Bhatnagar, Y. V., Suryawanshi, K. S., Mishra, C. |
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Title |
Spatial variation in population-density, movement and detectability of snow leopards in
2 a multiple use landscape in Spiti Valley, Trans-Himalaya |
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Journal Article |
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2020 |
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bioRxiv |
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Co-existence; land sharing; population-density; spatial capture recapture; Pseudois nayaur
Capra sibirica; ungulates; livestock. |
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The endangered snow leopard Panthera uncia occurs in human use landscapes in the mountains of South and Central Asia. Conservationists generally agree that snow leopards must be conserved through a land-sharing approach, rather than land-sparing in the form of strictly protected areas. Effective conservation through land-sharing requires a good understanding of how snow leopards respond to human use of the landscape. Snow leopard density is expected to show spatial variation within a landscape because of variation in the intensity of human use and the quality of habitat. However, snow leopards have been difficult to enumerate and monitor. Variation in the density of snow leopards remains undocumented, and the impact of human use on their populations is poorly understood. We examined spatial variation in snow leopard density in Spiti Valley, an important snow leopard landscape in India, via spatially explicit capture recapture analysis of camera trap data. We camera trapped an area encompassing a minimum convex polygon of 953 km . We estimated an overall density of 0.49 (95% CI: 0.39-0.73) adult snow leopards per 100 km . Using AIC, our best model showed the density of snow leopards to depend on wild prey density, movement about activity centres to depend on altitude, and the expected number of encounters at the activity centre to depend on topography. Models that also used livestock biomass as a density covariate ranked second, but the effect of livestock was weak. Our results highlight the importance of maintaining high density pockets of wild prey populations in multiple use landscapes to enhance snow leopard conservation. |
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1620 |
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Author |
Zhiryakov V.A. |
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Title |
Ecology and behavior of the Snow leopard in Kazakhstan |
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Miscellaneous |
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2002 |
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N 1-4. |
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184-199 |
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Kazakhstan; distribution; number; density; population size; habitats; marking; Migration; diet; prey species; hunting; faeces; Sex; Age; population dynamics; reproductive activity; competitors; mortality; snow leopard.; 8810; Russian |
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The data on spreading, numbers and population density of snow leopard in Kazakhstan are given in this article. The total number of the snow leopard in Kazakhstan is evaluated in 100-110 individuals. The everywhere occurred numbers' reduction under the influence of the anthropogenic factors is observed. The snow leopard' inhabitation area varies from 20 to 120 square kilometers depending on its regions. Sex and composition of the population and its aggregative behavior are given. The dynamics of numbers and mortality are estimated. |
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Full text available in Russian.Journal Title: Selevinia. The zoological journal of Kazakhstan. |
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SLN @ rana @ 858 |
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1087 |
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Author |
Mishra, C.; Madhusudan, M.D. |
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Title |
An Incentive Scheme for Wildlife Conservation in the Indian Trans-Himalaya |
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2002 |
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snow; leopard; asia; south; central; uncia; depredation; livestock; India; Himalaya; Himalayan; conservation; prey; density; 5010 |
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The habitat of the snow leopard Uncia uncia across South and Central Asia is subject to extensive pastoral use. Levels of livestock depredation by the snow leopard and other carnivores in the region are high, and often provokes retaliatory killing by the herders. This direct threat to large carnivores is further aggravated by a depletion of wild prey due to poaching and out-competition by livestock. In this paper, we describe a pilot project in the Indian Trans-Himalaya, which uses an incentive scheme to create areas free from livestock grazing on community-owned land, thereby fostering conservation commitment among local
pastoralists, as well as contributing directly to an enhancement of wild prey density. |
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Islt |
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Title, Monographic: Proceedings of the Snow Leopard Survival SummitPlace of Meeting: Seattle,WA |
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SLN @ rana @ 487 |
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692 |
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Koshkarev, E.P. |
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Title |
Range Structure, Numbers and Population Status of the Snow Leopard in the Tien Shan |
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Miscellaneous |
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Year |
1992 |
Publication |
Snow Line |
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x |
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2 |
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2-6 |
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Tian-Shan; surveys; status; distribution; density; Pamir; habitat; browse; Tien-Shan; 4690 |
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International Snow Leopard Trust |
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Seattle |
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Translated by Marina Proutkina and Kathleen Braden |
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SLN @ rana @ 456 |
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575 |
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Jackson, R. |
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Linking Snow Leopard Conservation and People-Wildlife Conflict Resolution, Summary of a multi-country project aimed at developing grass-roots measures to protect the endangered snow leopard from herder retribution |
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2000 |
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Cat News |
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33 |
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12-15 |
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livestock-depredation; livestock; pastoralists; herders; Pakistan; Nepal; Tibet; Mongolia; India; protected-areas; parks; reserves; refuge; snow-leopard-incentive-program; economics; tourism; pens; corrals; enclosures; trapping; poisoning; killing; cubs; dens; retribution; behavior; predator; prey; Qomolangma; habitat; feces; fecal-analysis; compensation; Dogs; guard-dogs; religion; conservation; browse; depredation; snow; leopard; incentive; program; fecal; analysis; guard; Dog; 4000 |
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Full Text at URL |
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SLN @ rana @ 375 |
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464 |
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Author |
Henschel, P.; Ray, J. |
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Title |
Leopards in African Rainforests: Survey and Monitoring Techniques |
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Miscellaneous |
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2003 |
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forest leopards; african rainforests; survey; monitoring techniques; lope reserve; gabon; central africa; congo; zaire; field testing; populations; wild meat; relative abundance; density; live-trapping; presence and absense surveys; ad-hoc survey; bushmeat; systematic survey; monitoring; individual identification; tracks; Discriminant Function Analysis; genotyping; scat; Hair; Dna; remote photography; camera trapping; capture rates; Trailmaster; Camtrakker; bait; duikers; pigs; elephant; bongo; okapi; human hunters; 5300 |
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Monitoring Techniques Forest leopards have never been systematically surveyed in African forests, in spite of their potentially vital ecological role as the sole large mammalian predators in these systems. Because leopards are rarely seen in this habitat, and are difficult to survey using the most common techniques for assessing relative abundances of forest mammals, baseline knowledge of leopard ecology and responses to human disturbance in African forests remain largely unknown. This technical handbook sums up the experience gained during a two-year study of leopards by Philipp Henschel in the Lop‚ Reserve in Gabon, Central Africa, in 2001/2002, supplemented by additional experience from carnivore studies conducted by Justina Ray in southwestern Central African Republic and eastern Congo (Zaire) . The main focus of this effort has been to develop a protocol that can be used by fieldworkers across west and central Africa to estimate leopard densities in various forest types. In developing this manual, Henschel tested several indirect methods to assess leopard numbers in both logged and unlogged forests, with the main effort devoted to testing remote photography survey methods developed for tigers by Karanth (e.g., Karanth 1995, Karanth & Nichols 1998; 2000; 2002), and modifying them for the specific conditions characterizing African forest environments. This handbook summarizes the results of the field testing, and provides recommendations for techniques to assess leopard presence/absence, relative abundance, and densities in African forest sites. We briefly review the suitability of various methods for different study objectives and go into particular detail on remote photography survey methodology, adapting previously developed methods and sampling considerations specifically to the African forest environment. Finally, we briefly discuss how camera trapping may be used as a tool to survey other forest mammals. Developing a survey protocol for African leopards is a necessary first step towards a regional assessment and priority setting exercise targeted at forest leopards, similar to those carried out on large carnivores in Asian and South American forests. |
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Wildlife Conservation Society |
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SLN @ rana @ 515 |
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382 |
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Anonymous |
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Title |
Resolutions Conservation of Snow Leopard, Seventh International Snow Leopard Symposium |
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Conference Article |
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1994 |
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329-331 |
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resolutions; conservation; management; Khunjerab; Taxkorgan; Sagarmatha; Makalu-Barun; Qomolangma; Transboundry; protected-areas; parks; reserves; refuge; Nepal; Tibet; China; Pakistan; Cites; Slims; eco-development; livestock; herders; conflict; siberia; gobi; Altay; Altai; Mongolia; Arksai; Liqaru; Arba; Ganzi; Baoxin; pollution; pesticides; toxicity; cooperation; status; zoos; zoological-gardens; browse; protected; area; areas; protected area; protected areas; eco development; eco; development; zoological; gardens; zoological gardens; 3530 |
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Islt |
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Usa |
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J.L.Fox; D.Jizeng |
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Full Text at URLTitle, Monographic: Seventh International Snow Leopard SymposiumPlace of Meeting: ChinaDate of Copyright: 1994 |
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SLN @ rana @ 214 |
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82 |
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Author |
Ulmer, F.A. |
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Title |
Voices of the Felidae |
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1966 |
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Stock |
Abbreviated Journal |
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259-262 |
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snow leopard, captivity, Philadelphia Zoological Gardens |
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Curator of Mammals, Philadelphia Zoological Gardens |
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1255 |
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Author |
Christiansen, P. |
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Title |
Canine morphology in the larger Felidae: implications for feeding ecology |
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Journal Article |
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2007 |
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Biological Journal of the Linnean Society |
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91 |
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573-592 |
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bite force, canine, clouded leopard, feeding behaviour, felid, Homotherium serum, leopard, Megantereoncultridens, morphology, Neofelis nebulosa, paleontology, Panthera pardus, Panthera tigris, puma, Puma concolor, Smilodon fatalis, Smilodon populator, snow leopard, Uncia uncia |
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Canine morphology is analysed at seven intervals along the crown in both
anteroposterior and lateromedial perspective in seven species of large felids. The puma and the snow leopard have stout, rather conical canines, whereas those of lions, jaguars, and tigers bear substantial resemblance to each other, reflecting their phylogenetic relationships, and are less conical and large. The canines of the leopard are intermediate in morphology between those of the other species, probably reflecting its more generalized diet. The clouded leopard has very large and blade-like canines, which are different from the other analysed species. Canine bending strengths to estimated bite forces appear to differ less among the species than morphology,indicating that the evolution of canines has been constricted with respect to their strength in failure, probably owing to their being equally important for species fitness. However, the clouded leopard again stands out, having a high estimated bite force and rather weak canines in bending about the anteroposterior as well as lateromedial planes compared to the other species. Canine morphology to some extent reflects differences in killing mode, but also appears to be related to the phylogeny. The marked divergence of the clouded leopard is presently not understood. |
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