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Author |
Harris, R.B. |
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Title |
Dealing with uncertainty in counts of mountain ungulates |
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1994 |
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105-111 |
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ungulates; blue-sheep; argali; tahr; ibex; prey; predator; status; population; asia; blue; sheep; browse; 3260 |
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Islt |
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Usa |
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J.L.Fox; Jizeng, D. |
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Full Text at URLTitle, Monographic: Seventh International Snow Leopard SymposiumPlace of Meeting: ChinaDate of Copyright: 1994 |
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Call Number |
SLN @ rana @ 224 |
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372 |
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Author |
Fox, J.L.; Jackson, R.M. |
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Title |
Blue Sheep and Snow Leopards in Bhutan and Trans-Himalayan Nepal: Recent Status Evaluations and Their Application to Research and Conservation |
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2002 |
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blue; sheep; Nepal; snow; leopard; status; Himalaya; Himalayan; Bhutan; population; indices; conservation; monitoring; 4930 |
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abstract onlyTitle, Monographic: Proceedings of the Snow Leopard Survival SummitPlace of Meeting: Seattle,WA |
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Call Number |
SLN @ rana @ 479 |
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311 |
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Author |
Anonymous |
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Title |
Livestock Predation Control Workshop |
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Miscellaneous |
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1999 |
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Lahul-Spiti; Ladakh; Hemis; parks; reserves; refuge; protected-area; argali; abix; blue-sheep; wolves; distribution; status; population; poaching; hunting; trade; skins; livestock; pelts; coat; fur; bones; medicine; prey-depletion; herders; habitat; habitat-degradation; tourism; Tmi; Islt; predator; prey; conflict; compensation; trekking; blue; sheep; browse; protected; area; depletion; degradation; international snow leopard trust; 3940 |
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Full Text at URLDate of Meeting: Ladakh (1999 Oct 6- Oct 10 ) |
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SLN @ rana @ 359 |
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86 |
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Jackson, R.; Ahlborn, G. |
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Title |
The role of protected areas in Nepal in maintaining viable populations of snow leopards |
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1990 |
Publication |
Int.Ped.Book of Snow Leopards |
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6 |
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51-69 |
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Nepal; conservation; management; parks; park; reserve; refuge; protected-area; browse; protected area; protected; area; island-biology-theory; population-limits; habitat; suitability; 3040 |
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Full text at URL |
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Call Number |
SLN @ rana @ 165 |
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444 |
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Author |
Blomqvist, L. |
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Title |
The 1981 annual report of the captive snow leopards (Panthera uncia) population |
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Report |
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1982 |
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International Pedigree Book of Snow Leopards |
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41-47 |
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captive; Panthera-uncia; panthera uncia; pedigree; population; snow leopard |
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International Pedigree Book of Snow Leopards |
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3 |
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no |
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Call Number |
SLN @ rana @ 956 |
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155 |
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Author |
Aryal, A. |
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Title |
Final Report On Demography and Causes of Mortality of Blue Sheep (Pseudois nayaur) in Dhorpatan Hunting Reserve in Nepal |
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Report |
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2009 |
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1-53 |
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Report; mortality; blue; blue sheep; blue-sheep; sheep; Pseudois; pseudois nayaur; Pseudois-nayaur; nayaur; Dhorpatan; hunting; reserve; Nepal; biodiversity; research; training; snow; snow leopard; snow-leopard; leopard; conservation; program; population; Population-Density; density; densities; change; Sex; study; area; High; poaching; Pressure; reducing; number; predators; predator; poison; wolf; wolves; canis; Canis-lupus; lupus; wild; wild boar; prey; prey species; prey-species; species; scats; scat; value; fox; cover; deer; diet; leopards; pika; snow leopards; snow-leopards; soil; Relationship |
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A total of 206 individual Blue sheep Pseudois nayaur were estimated in Barse and Phagune blocks of Dhorpatan Hunting Reserve (DHR) and population density was 1.8 Blue sheep/sq.km. There was not significant change in population density from last 4 decades. An average 7 animals/herd (SD-5.5) were classified from twenty nine herds, sheep per herds varying from 1 to 37. Blue sheep has classified into sex ratio on an average 75 male/100females was recorded in study area. The sex ratio was slightly lower but not significantly different from the previous study. Population of Blue sheep was seen stable or not decrease even there was high poaching pressure, the reason may be reducing the number of predators by poison and poaching which has
supported to increase blue sheep population. Because of reducing the predators Wolf Canis lupus, Wild boar population was increasing drastically in high rate and we can observed wild boar above the tree line of DHR. The frequency of occurrence of different prey species in scats of different predators shows that, excluding zero values, the frequencies of different prey species were no significantly different (ö2= 10.3, df = 49, p > 0.05). Most of the scats samples (74%) of Snow leopard, Wolf, Common Leopard, Red fox's cover one prey species while two and three species were present in 18% and 8%, respectively. Barking deer Muntiacus muntjak was the most frequent (18%) of total diet composition of common leopards. Pika Ochotona roylei was the most frequent (28%), and Blue sheep was in second position for diet of snow leopards which cover 21% of total diet composition. 13% of diet covered non-food item such as soil, stones, and vegetable. Pika was most frequent on Wolf and Red fox diet which covered 32% and 30% respectively. There was good positive relationship between the scat density and Blue sheep consumption rate, increasing the scat density, increasing the Blue sheep consumption rate. Blue sheep preference by different predators such as Snow leopard, Common leopard, Wolf and Red fox were 20%, 6%, 13% and 2% of total prey species respectively. |
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Notes |
The Biodiversity Research and Training Forum (BRTF) Nepal. Email: savefauna@yahoo.com
Submitted to Snow Leopard Conservation Grants Program, USA. |
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Call Number |
SLN @ rana @ 1064 |
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104 |
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Author |
Suryawanshi, K. R., Khanyari, M., Sharma, K., Lkhagvajav, P., Mishra, C. |
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Title |
Sampling bias in snow leopard population estimation studies |
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Journal Article |
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2019 |
Publication |
Population Eccology |
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1-9 |
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camera trap, Central Asia, Himalaya, meta-analysis, monitoring, Panthera uncia, population ecology |
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Accurate assessments of the status of threatened species and their conservation
planning require reliable estimation of their global populations and robust monitoring
of local population trends. We assessed the adequacy and suitability of studies
in reliably estimating the global snow leopard (Panthera uncia) population. We
compiled a dataset of all the peer-reviewed published literature on snow leopard
population estimation. Metadata analysis showed estimates of snow leopard density
to be a negative exponential function of area, suggesting that study areas have generally
been too small for accurate density estimation, and sampling has often been
biased towards the best habitats. Published studies are restricted to six of the
12 range countries, covering only 0.3�0.9% of the presumed global range of the
species. Re-sampling of camera trap data from a relatively large study site
(c.1684 km2) showed that small-sized study areas together with a bias towards
good quality habitats in existing studies may have overestimated densities by up to
five times. We conclude that current information is biased and inadequate for generating
a reliable global population estimate of snow leopards. To develop a rigorous
and useful baseline and to avoid pitfalls, there is an urgent need for
(a) refinement of sampling and analytical protocols for population estimation of
snow leopards (b) agreement and coordinated use of standardized sampling protocols
amongst researchers and governments across the range, and (c) sampling
larger and under-represented areas of the snow leopard's global range. |
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no |
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SLN @ rakhee @ |
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1477 |
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Mallon, D. P., Jackson, R. M. |
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A downlist is not a demotion: Red List status and reality |
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2017 |
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Oryx |
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1-5 |
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Cryptic, IUCN Red List, Panthera uncia, population estimate, snow leopard, species assessment |
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Assessments of biodiversity status are needed to
track trends, and the IUCN Red List has become the accepted
global standard for documenting the extinction
risk of species. Obtaining robust data on population size is
an essential component of any assessment of a species� status,
including assessments for the IUCN Red List. Obtaining
such estimates is complicated by methodological and
logistical issues, which are more pronounced in the case of
cryptic species, such as the snow leopard Panthera uncia.
Estimates of the total population size of this species have,
to date, been based on little more than guesstimates, but a
comprehensive summary of recent field research indicates
that the conservation status of the snow leopard may be
less dire than previously thought. A revised categorization,
from Endangered to Vulnerable, on the IUCN Red List was
proposed but met some opposition, as did a recent, similar
recategorization of the giant panda Ailuropoda melanoleuca.
Possible factors motivating such attitudes are discussed.
Downlisting on the IUCN Red List indicates that the species
concerned is further from extinction, and is always to be
welcomed, whether resulting from successful conservation
intervention or improved knowledge of status and trends.
Celebrating success is important to reinforce the message
that conservation works, and to incentivize donors. |
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SLN @ rakhee @ |
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1460 |
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Aruge, S., Batool, H., Khan, F. M., Abbas, F. I., Janjua, S |
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Title |
A pilot study�genetic diversity and population structure of snow leopards of Gilgit-Baltistan, Pakistan, using molecular techniques. |
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Journal Article |
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2019 |
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PeerJ |
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7672 |
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1-14 |
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Population, Genetics, Panthera uncia, Pakistan, Molecular markers |
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Background: The Hindu Kush and Karakoram mountain ranges in Pakistan�s northern areas are a natural habitat of the snow leopard (Panthera uncia syn. Uncia uncia) but the ecological studies on this animal are scarce since it is human shy by nature and lives in dif!cult mountainous tracts. The pilot study is conducted to exploit the genetic diversity and population structure of the snow leopard in this selected natural habitat of the member of the wildcat family in Pakistan.
Method: About 50 putative scat samples of snow leopard from !ve localities of Gilgit-Baltistan (Pakistan) along with a control sample of zoo maintained male snow leopard were collected for comparison. Signi!cant quality and quantity of genomic DNA was extracted from scat samples using combined Zhang�phenol�chloroform method and successful ampli!cation of cytochrome c oxidase I gene (190 bp) using mini-barcode primers, seven simple sequence repeats (SSR) markers and Y-linked AMELY gene (200 bp) was done.
Results: Cytochrome c oxidase I gene sequencing suggested that 33/50 (66%) scat samples were of snow leopard. AMELY primer suggested that out of 33 ampli!ed samples, 21 (63.63%) scats were from male and 12 (36.36%) from female leopards. Through successful ampli!cation of DNA of 25 out of 33 (75.75%) scat samples using SSR markers, a total of 68 alleles on seven SSR loci were identi!ed, showing low heterozygosity, while high gene "ow between population.
Discussion: The low gene flow rate among the population results in low genetic diversity causing decreased diversi!cation. This affects the adaptability to climatic changes, thus ultimately resulting in decreased population size of the species. |
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1491 |
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Chapron, G.; Legendre, S. |
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Title |
Some Insights Into Snow Leopard (Uncia Uncia) Demography By Using Stage Structured Population Models |
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2002 |
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snow; leopard; uncia; viability; analysis; carnivore; carnivores; domestic; game; demographic; population; mortality; biology; mating; 4910 |
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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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Seattle |
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Title, Monographic: Proceedings of the Snow Leopard Survival SummitPlace of Meeting: Seattle,WA |
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Call Number |
SLN @ rana @ 477 |
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213 |
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