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Author Chapron, G.; Legendre, S.
Title Some Insights Into Snow Leopard (Uncia Uncia) Demography By Using Stage Structured Population Models Type Conference Article
Year 2002 Publication Abbreviated Journal
Volume Issue Pages
Keywords snow; leopard; uncia; viability; analysis; carnivore; carnivores; domestic; game; demographic; population; mortality; biology; mating; 4910
Abstract Based on the limited data available on snow leopard demography, we developed deterministic and stochastic stage-structured demographic models to study the population dynamics of this large cat. Our results reveal that even small leopard populations can persist provided their demographic parameters remain high, but less favorable scenarios would require larger population sizes. Population growth rate is more sensitive to breeder survivals than to any other parameters. A snow leopard population would start declining if yearly mortality claims more than 1/5 of the population. This study identifies poaching as a major threat to snow leopard survival and stresses the importance of long-term studies to better understand snow leopard population dynamics.
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Publisher Islt Place of Publication Seattle Editor
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Notes Title, Monographic: Proceedings of the Snow Leopard Survival SummitPlace of Meeting: Seattle,WA Approved no
Call Number SLN @ rana @ 477 Serial 213
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Author Foose, T.J.
Title A Species Survival PLan (SSP) for snow leopard, Panthera uncia: Genetic and demographic analysis and management Type Book Chapter
Year 1982 Publication International Pedigree Book of Snow Leopards, Vol. 3 Abbreviated Journal
Volume 3 Issue Pages 81-102
Keywords analysis; demographic; International; management; Panthera-uncia; pedigree; snow leopard; Species-Survival-Plan; species survival plan; Ssp
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Publisher Helsinki Zoo Place of Publication Helsinki Editor Blomqvist, L.
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Notes Approved no
Call Number SLN @ rana @ 1028 Serial 280
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Author Suryawanshi, K.R.
Title Towards snow leopard prey recovery: understanding the resource use strategies and demographic responses of bharal Pseudois nayaur to livestock grazing and removal; Final project report Type Report
Year 2009 Publication Abbreviated Journal
Volume Issue Pages 1-43
Keywords project; snow; snow leopard; snow-leopard; leopard; network; conservation; program; prey; recovery; resource; use; strategy; demographic; Response; bharal; Pseudois; pseudois nayaur; Pseudois-nayaur; nayaur; livestock; grazing; Report; decline; wild; populations; population; Himalayan; region; Competition; threats; threat; uncia; Uncia uncia; Uncia-uncia; study; diet; winter; Test; browse; nutrition; areas; area; young; Female; times; High; Adult; mortality; species; predators; predator; endangered; trans-himalaya; transhimalaya
Abstract Decline of wild prey populations in the Himalayan region, largely due to competition with livestock, has been identified as one of the main threats to the snow leopard Uncia uncia. Studies show that bharal Pseudois nayaur diet is dominated by graminoids during summer, but the proportion of graminoids declines in winter. We explore the causes for the decline of graminoids from bharal winter diet and resulting implications for bharal conservation. We test the predictions generated by two alternative hypotheses, (H1) low graminoid availability caused by livestock grazing during winter causes bharal to include browse in their diet, and, (H2) bharal include browse, with relatively higher nutrition, to compensate for the poor quality of graminoids during winter. Graminoid availability was highest in areas without livestock grazing, followed by areas with moderate and intense livestock grazing. Graminoid quality in winter was relatively lower than that of browse, but the difference was not statistically significant. Bharal diet was dominated by graminoids in areas with highest graminoid availability. Graminoid contribution to bharal diet declined monotonically with a decline in graminoid availability. Bharal young to female ratio was three times higher in areas with high graminoid availability than areas with low graminoid availability. No starvation-related adult mortalities were observed in any of the areas. Composition of bharal winter diet was governed predominantly by the availability of graminoids in the rangelands. Since livestock grazing reduces graminoid availability, creation of livestock free areas is necessary for conservation of grazing species such as the bharal and its predators such as the endangered snow leopard in the Trans-Himalaya.
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Notes Project funded by Snow Leopard Network's Snow Leopard Conservation Grant Program, 2008. Nature Conservation Foundation, Mysore. Post-graduate Program in Wildlife Biology and Conservation, National Centre for Biological Sciences, Wildlife Conservation Society -India program, Bangalore, India. Approved no
Call Number SLN @ rana @ 1077 Serial 952
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