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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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SLN @ rana @ |
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1115 |
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Schmidt, A.M.; Hess, D.L.; Schmidt, M.J.; Smith, R.C.; Lewis, C.R. |
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Serum concentrations of oestradiol and progesterone, and sexual behaviour during the normal oestrous cycle in the leopard (Panthera pardus) |
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Miscellaneous |
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1988 |
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Journal of Reproductive Fertility |
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82 |
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43-49 |
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captive; Ovulation; Panthera pardus; Progesterone; Serum; sexual behaviour |
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Three mature nulliparous female leopards were studied for 5 years. During three separate 6-month periods serum oestradiol and progesterone concentrations were measured at weekly intervals. Oestradiol was elevated over 21 pg/ml for 54 weeks during these 3 periods, and 36 oestradiol peaks (65\m=.\8\m=+-\6\m=.\3pg/ml (mean \m=+-\s.e.m.), range 21\p=n-\172pg/ml) were identified. Daily frequency of feline reproductive behaviours averaged over each week increased from 1\m=.\9\m=+-\0\m=.\2(n = 93) during weeks with low serum oestradiol concentrations (<21 pg/ml) to 5\m=.\3\m=+-\0\m=.\6(n = 54) during weeks when serum oestradiol concentrations (>21 pg/ml) were high. Increased serum progesterone concentrations (13\p=n-\98n/gml) were observed on 5 occasions in 2 leopards housed together. These presumptive luteal phases lasted from 1 to 5 weeks. Baseline progesterone values were 1\m=.\6\m=+-\0\m=.\4 ng/m(nl= 131). No progesterone increments were observed in isolated animals, and serum concentrations remained at baseline levels. These limited observations suggest that female leopards do not require intromission to induce ovulation and luteal function. The average interval between oestradiol peaks for cycles with no progesterone increment was 3\m=.\4weeks (range 1\p=n-\6weeks). The interval for the 3 complete cycles associated with elevated progesterone concentrations was 7\m=.\3weeks. Analysis of sexual behaviours over the 5-year study period revealed no evidence of seasonality in these
captive leopards. |
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SLN @ rana @ 923 |
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873 |
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Author |
Oli, M. |
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Title |
Snow leopards and blue sheep in Nepal: Densities and predator: Prey ratio |
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Miscellaneous |
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Year |
1994 |
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Journal of Mammalogy |
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75 |
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998-1004 |
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snow leopard,Panthera uncia,blue sheep,Pseudois nayaur,density,predator:prey ratio,harvest rate,livestock predation,Nepal |
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I studied snow leopards (Panthera uncia) and blue sheep (Pseudois nayaur) in Manang District, Annapurna Conservation Area, Nepal, to estimate numbers and analyze predatorprey interactions. Five to seven adult leopards used the 105-km2 study area, a density of 4.8 to 6.7 leopards/100 km2. Density of blue sheep was 6.6-10.2 sheep/km2, and biomass density was 304 kg/km2. Estimated relative biomass consumed by snow leopards suggested that blue sheep were the most important prey; marmots (Marmota himalayana) also contributed significantly to the diet of snow leopards. Snow leopards in Manang were estimated to harvest 9-20% of total biomass and 11-24% of total number of blue sheep annually. Snow leopard :blue sheep ratio was 1 :1 14-1 :159 on a weight basis, which was considered sustainable given the importance of small mammals in the leopard's diet and the absence of other competing predators. |
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SLN @ rana @ 894 |
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741 |
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Author |
Oli, M.K.; Taylor, I.R.; Rogers, M.E. |
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Title |
Snow leopard Panthera unica predation of livestock: An assessment of local perceptions in the Annapurna Conservation Area, Nepal |
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Journal Article |
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Year |
1994 |
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Biological Conservation |
Abbreviated Journal |
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68 |
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1 |
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63-68 |
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predation; livestock; herders; goat; sheep; oxen; horse; Panthera-uncia; Nepal; snow-leopard; Annapurna-Conservation-Area; public attitudes; snow leopard; browse; panthera uncia; uncia; panthera; annapurna conservation area; annapurna; conservation; area; public; attitudes; 750 |
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Public attitudes towards snow leopard Panthera uncia predation of domestic livestock were investigated by a questionnaire survey of four villages in snow leopard habitat within the Annapurna Conservation Area, Nepal. Most local inhabitants were subsistence farmers, many dependent upon yaks, oxen, horses and goats, with an average livestock holding of 26.6 animals per household. Reported losses to snow leopards averaged 0.6 and 0.7 animals per household in two years of study, constituting 2.6% of total stockholding but representing in monetary terms almost a quarter of the average annual Nepali national per capita income. Local people held strongly negative attitudes towards snow leopards and most suggested that total extermination of leopards was the only acceptable solution to the predation problem. Snow leopards were reported to be killed by herdsmen in defence of their livestock. The long-term success of snow leopard conservation programmes may depend upon the satisfactory resolution of the predation conflict. Some possible ways of reducing predation losses are also discussed. |
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Document Type: English
Call Number: S900 .B5 |
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SLN @ rana @ 237 |
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747 |
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Chakraborty, R.E.; Chakraborty, S. |
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Identification of dorsal guard hairs of Indian species of the genus Panthera Oken (Carnivora: Felidae) |
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Journal Article |
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1996 |
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Mammalia |
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60 |
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3 |
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480 |
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identification; India; hair-samples; guard; hairs; panthera; uncia; tigris; leo; pardus; browse; 660 |
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Dorsal guard hairs of four living Indian species of the genus Panthera, viz. P. tigris, P. leo, P. pardus and P. uncia have been studied. It is found that the characters are somewhat overlapping, but identification of the species may be possible from the combination of characters. |
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Document Type: English
Call Number: 599.05 MA |
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SLN @ rana @ 270 |
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209 |
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Oli, M.K.; Rogers, E.M. |
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Seasonal pattern in group size and population composition of blue sheep in Manang, Nepal |
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1996 |
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Journal of Wildlife Management |
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60 |
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4 |
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797-801 |
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prey; snow leopard; panthera uncia; Nepal; annapurna conservation area; predator; blue; sheep; browse; Panthera-uncia; panthera; uncia; Annapurna-Conservation-Area; annapurna; conservation; area; 650 |
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Blue sheep (Pseudois nayaur) are the principal prey of the endangered snow leopard (Panthera uncia) in the Himalayas and adjacent ranges. We studied group size and population composition of blue sheep in Manang District, Annapurna Conservation Area, Nepal. Overall mean group size was 15.6 (SE = 1.3), but it varied seasonally (P lt 0.001), with significantly smaller groups in winter than in other seasons. Mixed groups were most numerous in all seasons, and there was no evidence of sexual segregation. Yearling sex ratio (93.7 M:100 F) did not vary seasonally, nor did the ratio deviate from parity. Adult sex ratio showed a seasonal pattern favoring males post-parturition but female-biased during the rut and pre-parturition. Seasonal variation in sex-specific mortality is offered as a plausible explanation for the observed pattern in adult sex ratio. |
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Document Type: English
Call Number: 639.105 JO |
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SLN @ rana @ 288 |
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750 |
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Oli, M.K. |
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Seasonal patterns in habitat use of blue sheep Pseudois nayaur (Artiodactyla, Bovidae) in Nepal |
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1996 |
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Mammalia |
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60 |
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2 |
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187-193 |
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blue-sheep; snow-leopard; Panthera-uncia; Nepal; conservation; prey; predator; snow leopard; blue; sheep; browse; panthera; uncia; 670 |
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Blue sheep (Pseudois nayaur) are the main prey of the endangered snow leopard (Panthera uncia) as well as an important game species in Nepal. A knowledge of how blue sheep utilize their habitat is essential for the scientific management of the sheep and for the conservation of the snow leopard, but we only have a limited understanding of this aspect of blue sheep ecology. I studied the habitat use pattern of blue sheep by direct observation in the Anna-purna Conservation Area, Nepal where they occur sympatrically with the snow leopard. The sheep used grassland habitats more frequently during pre-parturition (spring) and post-parturition (autumn) than other habitat types, but scrub and grassland habitats were used equally frequently during the rut (winter). The sheep used smooth undulating slopes of medium steepness (<40 degrees) on southerly aspects within the elevation range of 4,200-4,600 m most frequently in all seasons, and there was no evidence of seasonal migration along the elevation gradient. When not in broken landforms (e.g., cliff, landslides), the sheep maintained proximity (less than or equal to 150 m) to such features suggesting their importance as escape cover (i.e., from predators). The use of habitat components by blue sheep appeared to be related to the distribution of foraging areas and escape cover. |
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UNIV EDINBURGH,INST CELL ANIM & POPULAT BIOL,EDINBURGH EH9 3JT,MIDLOTHIAN,SCOTLANDANNAPURNA CONSERVAT AREA PROJECT,KATMANDU,NEPAL /Publisher:MUSEUM NAT HIST NATURELLE, PARIS Document Type: English |
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SLN @ rana @ 289 |
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751 |
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Fox, J.L.; Sinha, S.P.; Chundawat, R.S.; Das, P.K. |
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Status of the snow leopard Panthera uncia in Northwest India |
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1991 |
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Biological Conservation |
Abbreviated Journal |
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55 |
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3 |
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283-298 |
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ibex; leopard; snow-leopard; blue-sheep; Asiatic-ibex; asia; Himalayas; India; Himalaya; Jammu; Kashmir; Ladakh; panthera; uncia; Pseudois; nayaur; Capra-ibex; parks; reserves; conservation; capra ibex; snow leopard; blue; sheep; browse; pseudois nayaur; capra; Asiatic; 790 |
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Evidence of snow leopard presence was most abundant in C Ladakh, decreased southward toward the crest of the Himalaya, and was least on the S side of the main Himalaya. Prey populations, primarily blue sheep Pseudois nayaur and Asiatic ibex Capra ibex, were also more plentiful in the areas surveyed to the N of the main Himalaya. Perhaps 400 snow leopard occur throughout NW India. The stronghold of this species in India is apparently the trans- Himalayan ranges in Ladakh where new parks and reserves are being established, some in association with a snow leopard recovery programme of the state of Jammu and Kashmir and a 'Project Snow Leopard' of the central Indian government. Because of the generally low density of snow leopard, conservation measures must also be considered within the large areas of its range lying outside parks and reserves. -from Authors |
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Full text at URLDocument Type: English |
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SLN @ rana @ 174 |
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297 |
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Suryawanshi, K.R., Bhatnagar, Y. V. B., Redpath, S., Mishra, C. |
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People, predators and perceptions: patterns of livestock depredation by snow leopards and wolves |
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2013 |
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Journal of Applied Ecology |
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50 |
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550-560 |
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Canis lupus, Capra ibex, human–wildlife conflict, large carnivores, Panthera uncia, Pseudois nayaur, trans-Himalaya |
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1. Livestock depredation by large carnivores is an important conservation and economic concern
and conservation management would benefit from a better understanding of spatial variation
and underlying causes of depredation events. Focusing on the endangered snow leopard
Panthera uncia and the wolf Canis lupus, we identify the ecological factors that predispose
areas within a landscape to livestock depredation. We also examine the potential mismatch
between reality and human perceptions of livestock depredation by these carnivores whose
survival is threatened due to persecution by pastoralists.
2. We assessed the distribution of the snow leopard, wolf and wild ungulate prey through field
surveys in the 4000 km2 Upper Spiti Landscape of trans-Himalayan India. We interviewed local
people in all 25 villages to assess the distribution of livestock and peoples’ perceptions of the risk
to livestock from these carnivores. We monitored village-level livestock mortality over a 2-year
period to assess the actual level of livestock depredation. We quantified several possibly influential
independent variables that together captured variation in topography, carnivore abundance
and abundance and other attributes of livestock. We identified the key variables influencing livestock
depredation using multiple logistic regressions and hierarchical partitioning.
3. Our results revealed notable differences in livestock selectivity and ecological correlates of
livestock depredation – both perceived and actual – by snow leopards and wolves. Stocking
density of large-bodied free-ranging livestock (yaks and horses) best explained people’s threat
perception of livestock depredation by snow leopards, while actual livestock depredation was
explained by the relative abundance of snow leopards and wild prey. In the case of wolves,
peoples’ perception was best explained by abundance of wolves, while actual depredation by
wolves was explained by habitat structure.
4. Synthesis and applications. Our results show that (i) human perceptions can be at odds
with actual patterns of livestock depredation, (ii) increases in wild prey populations will intensify
livestock depredation by snow leopards, and prey recovery programmes must be accompanied
by measures to protect livestock, (iii) compensation or insurance programmes should
target large-bodied livestock in snow leopard habitats and (iv) sustained awareness
programmes are much needed, especially for the wolf. |
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SLN @ rakhee @ |
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Williams, N. |
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2008 International Conference on Range-wide Conservation Planning for Snow Leopards: Saving the Species Across its Range |
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2008 |
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Cat News |
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48 |
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Panthera, conference,Beijing, China, 2008, planning, Wildlife Conservation Society, Snow Leopard Trust, Snow Leopard Network, Chinese Institute of Zoology |
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Over 100 snow leopard experts, enthusiasts, and government officials gathered in the outskirts of Beijing, China from March 7–11, 2008 for the firstever International Conference on Range-wide Conservation Planning for Snow Leopards. Conference organizers included Panthera, Wildlife Conservation Society (WCS), Snow Leopard Trust (SLT), Snow Leopard Network (SLN), and the Chinese Institute of Zoology. |
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