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Salles, L. O. (1992). Felid phylogenetics: Extant taxa and skull morphology (Felidae, Aeluroidae). American Museum Novitates, (3047), 1–67.
Abstract: relationships among extant felid taxa are controversial. A historical appraisal addresses component congruence among statements on felid phylogenetic relationships, and monophyly of generic ranks proposed for felids is discussed. Felid cranial morphology (especially the masticatory apparatus, basicranium, and rostral regions) is examined, and 44 characters are postulated for 39 taxa. Internal congruence for these characters is evaluated and 27 components are suggested. Parsimony analysis, using the successive weighting option of Hennig86, of the 44 cranial characters plus 13 other morphological features yields 29 components in a “modified Nelson” consensus cladogram. Two basal, well resolved clades are hypothesized in the total morphology analysis; under parenthetical notation the first is: (Hepailurus yagouaroundi (Puma concolor (Acinonyx jubatus (Uncia uncia (Neofelis nebulosa (Panthera tigris (P. onca, P. leo, and P. pardus)))))). The second clade is: Profelis temmincki (P. badia (Pardofelis marmorata ((Caracal caracal (Lynx rufus (L. lynx (L. pardina (L. canadensis)))) (Felis chaus (F. lybica (L. cafra (L. silvestris (F. bieti (F. nigripes (F. margarita (Octocolobus manul)))))))). Prionailurus planiceps and P. viverrina formed another group which is suggested as the basal branch of the felid phylogeny. The results in this study do not support monophyly of Leopardus Gray, 1841; Profelis Severtzon, 1858; and Prionailurus Severtzon, 1858. A better supported, more highly resolved, felid phylogenetic tree is needed.
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Samant S.S., Dhar U., & Rawal R.S. (1998). Biodiversity status of a protected area in West Himalaya: Askot Wildlife Sanctuary. International Journal Of Sustainable Development And World Ecology, 5(3), 194–203.
Abstract: Biodiversity of a protected area of West Himalaya (Askot Wildlife Sanctuary) was studied and analysed for landscape, faunal and floral diversity. The forest and pasture land, ideal habitats for the flora and fauna, covered nearly 52% and 12%, respectively, of total reported area. Among the fauna Himalayan musk deer (Moschus chrysogaster), thar (Himitragus jemlahicus), snow leopard (Panthera uncia), koklas (Pucrassia macrolophas), monal (Lophophorus impejanus) and snow cock (Tetragalus tibetanus) are threatened species. Plant diversity is represented by 1262 species of vascular plants (Angiosperm 1112, Gymnosperm 7, Pteridophytes 143 taxa). Diversity of the species within families, genera, habitats, communities and along vertical gradient zone was analysed. Maximum diversity existed in the family Orchidaceae (120 taxa), genera Polystichum (13 taxa), altitude zone (1001-2000 m; 860 taxa), habitat (forest; 623 taxa) and community (Banj oak: 92 taxa). Seventy-one families were found to be monotypic. Species were further analysed for ethnobotanical use (medicine: 70, edible: 55, fodder: 115, fuel: 31, house building: 13 etc.), domesticated diversity (crops: 19, vegetables: 26, fruits: 16),agroforestry or marginal, threatened and endemic diversity. Similarity in species composition within the habitats indicated maximum similarity in areas of shrubberies and alpine meadows/slopes (71.65%) and exposed open/grassy slopes and shady moist places (47.32%). 432 (34.2%) taxa are native to Indian Himalaya of which 24 are endemic and 235 are near endemics. 65.8% of taxa are represented in the neighbouring areas and other regions of the globe. Ten taxa occurring in the Sanctuary have been already recorded in the Red Data Book of Indian Plants. Conservation and management of species is focused.
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Sayer, J. A. (1980). The conservation of the snow leopard (Uncia uncia) in Afghanistan. International Pedigree Book of Snow Leopards, 2, 55–61.
Abstract: Outlines status and distribution as well as recent sightings of snow leopard in Afganastan
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Schaffer, E., Wiesner, H., & Von Hegel, G. (1988). Multiple ocular coloboma (MOC) with persistent pupillary membrane in the snow leopard (Panthera uncia). Tierarztl Prax, 16(1), 87–91.
Abstract: In a litter of three snow leopards, bilateral colobomata of the upper temporal eyelids, bilateral persistent pupillary membranes and a unilateral coloboma of the optic nerve entrance are described as “Multiple Ocular Colobomata” (MOC). The causal pathogenesis of each of the colobomata is discussed comparatively. The colobomata of the eyelids, essential feature of the MOC syndrome in snow leopards, are most probably not of hereditary, but rather of intrauterine infectious viral origin.
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Schaller, G. (1986). Surveys of Mountain Wildlife in China, Report # 4.
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Schaller, G. (1987). Surveys of Mountain Wildlife in China, Report # 6.
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Schaller, G. (1988). Survey of Mountain Wildlife in Xinjiang, Report # 7.
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Schaller, G. (1988). Wildlife Survey in Tibet, Report #8.
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Schaller, G. (1990). Saving China's Wildlife. International Wildlife, 1(2), 30–41.
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Schaller, G. (1993). Tibet's remote Chang Tang: in a high and sacred realm. National Geog., 184(2), 62–87.
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Schaller, G. B. (1971). Imperiled phantom of Asian peaks. National Geographic, 140, 702–707.
Abstract: Brief description of succssful baiting, with a domestic goat and photographing a wild snow leopard in Northern Pakistan.
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Schaller, G. B., & Mirza, Z. B. (1971). On the behaviour of Kashmir Markhor (Capra falconeri cashmiriensis). Mammalia, 35, 548–566.
Abstract: Notes snow leopard as main predator in Pakistan study area. Describes content of some snow leopard droppings
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Schaller, G. B. (1972). On meeting a Snow Leopard. Animal Kingdom, 75(1), 7–13.
Abstract: Discusses snow leopard distribution, ecology and conservation. Describes baiting (with a domestic goat) of a snow leopard and cub in a game reserve in Northern Pakistan. Incudes a description of the Leopard killing a goat, and observations over a week when the leopards were feeding on the goat baits.
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Schaller, G. B. (1972). On the behaviour of Blue Sheep (Pseudois nayaur). Journal of Bombay Natural Historical Society, 69, 523–537.
Abstract: Two or three snow leopards hunted in the study area in eastern Nepal. Describes content of some snow leopard scat
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Schaller, G. B. (1976). Mountain mammals in Pakistan. Oryx, 13, 351–356.
Abstract: Four or five snow leopards were present in 300 sq km of Chitral District in 1974. Six snow leopards were shot in vicinity of Chitral Gol in winter of 1971-1972, and at least one the next year. Estimates fewer then 250 snow leopards in Pakistan.
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Schaller, G. B. (1977). Mountain Monarchs: Wild Sheep and Goats of the Himalaya (Wildlife Behavior & Ecology). Chicago: University of Chicago Press.
Abstract: Describes snow leopard status and field observations from studies in Pakistan and Nepal. Review provides some data on snow leopard marking behavior, social relations, food habits and predator behavior.
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Schaller, G. B. (1980). Stones of Silence: Journeys in the Himalaya. New York: Viking Press.
Abstract: Anecdotal description of wildlife field studies in the Himalaya, including information on snow leopard natural history and an encounter with snow leopards in Pakistan.
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Schaller, G. B. (1987). Status of large mammals in the Taxkorgan Reserve, Xinjiang, China. Biological-Conservation, 42(1), 53–71.
Abstract: A status survey of large mammals was conducted in the W half of 14 000 km“SUP 2” Taxkorgan Reserve. Only one viable population of fewer than 150 Marco Polo sheep Ovis ammon poli survives; it appears to be augmented by adult males from Russia and Afghanistan during the winter rut. Asiatic ibex Capra ibex occur primarily in the western part of the reserve and blue sheep Pseudois nayaur – the most abundant wild ungulate – in the E and SE parts. The 2 species overlap in the area of contact. Counts revealed an average wild ungulate density of 0.34 animals km“SUP -2”. Snow leopard Panthera uncia were rare, with possibly 50-75 in the reserve, as were wolves Canis lupus and brown bear Ursus arctos. The principal spring food of snow leopard was blue sheep (60%) and marmot (29%). Local people have greatly decimated wildlife. Overgrazing by livestock and overuse of shrubs for fuelwood is turning this arid steppe habitat into desert. -from Authors
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Schaller, G. B., Jurang, R., & Mingjiang, Q. (1988). Status of snow leopard (Panthera-uncia) in Qinghai-Province and Gansu Province-China. Biological Conservation, 45(3), 179–194.
Abstract: The status and distribution of the snow leopard Panthera uncia was investigated in two provinces of China. The cats occur over about 65,000km2 or 9% of the Qinghai Province, and in a few places along the western edge of Gansu Province. In many areas the animals have in recent decades been decimated or locally eradicated, as have their prey. Counts of wild ungulates in 9 mountain block, totalling 1375km2, known for abundant wildlife, had an average of 1.4-5.4 animals km2, principally blue sheep Psuedois nayaur, which together with marmot Marmota himalayana, represent the snow leopards main prey. Possibly 650 snow leopards survive in Qinghai but shooting and trapping of this legally protected animal and the hunting of blue sheep for local consumtion and export threaten their existence.
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Schaller, G. B., Hong, L., Talipu, J., & Mingjiang, R. Q. (1988). The snow leopard in Xinjiang, China. Oryx, 22(4), 197–204.
Abstract: Snow leopards live in the mountains of Central Asia, their range stretching from Afganastan to Lake Baikal in Eastern Tibet. They are endangered throughout their range, being hunted as predators of mains livestock and for their skin. Much of the snow leopards range lies in China, but not enough is known about its staus there for effective conservation. As part of a project to assess China's high altitude wildlife resources the authors conducted a survey in Xinjiang- a vast arid region of deserts and mountains. Although the snow leopard and other wildlife have declined steeply in Xinjiang in recent decades, the cta still persists and one area has the potential to become one of the best refuges for the species in its entire range. Its future in XInjiang, howevere, depends on well protected reserves, enforcement of regulations against killing the animal, and proper managemnt of the prey species.
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Schaller, G. B., Hong, L., Talipu, J., & Mingjiang, R. Q. (1989). The Snow Leopard in Xinjiang, China (Vol. winter). Seattle: Islt.
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Schaller, G. B., Tserendeleg, J., & Amarsana, G. (1994). Observations on snow leopards in Mongolia. In J.Fox, & D.Jizeng (Eds.), (pp. 33–42). Usa: Islt.
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Schaller, G. B. (1998). Wildlife of the Tibetan Steppe. Chicago: University of Chicago Press.
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Scheber. (1975). Snow Leopard in the south part of Gobi-Altai mountain range.
Abstract: Accorfing to the information from Gurvan its rumored that the snow leopards grow in number and many times they attacked the livestock entering into the domestic area causing damage, we investigated theGurvan Tes sumon of Umnogobi aimag and also Noyon sumon todisplay the reserve review and spreading area of snow leopard from 22 of December of 1975 to 10th of January of 1976.
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Schmidt, A. M., Hess, D. L., Schmidt, M. J., & Lewis, C. R. (1993). Serum concentrations of oestradiol and progesterone and frequency of sexual behaviour during the normal oestrous cycle in the snow leopard (Panthera uncia). J Reprod Fertil, 98(1), 91–95.
Abstract: Serum oestradiol and progesterone concentrations were measured at weekly intervals for six months, and correlated with daily behavioural observations in two adult female snow leopards (Panthera uncia). Three oestradiol peaks (> 21 pg ml-1; interval 3.6 weeks) were identified in a snow leopardess housed alone (two more were probably missed because of the weekly sampling schedule), and three oestradiol peaks were identified in a snow leopardess housed with a male as a breeding pair (interval 6 weeks). Daily frequencies of feline reproductive behaviour averaged 1.77 observations per observation period during weeks of high oestradiol and 0.62 during weeks of low oestradiol. Progesterone concentrations did not rise above baseline values (< 2 ng ml-1) in the isolated animal, but 6 weeks of high progesterone concentrations (4.9- 38.8 ng ml-1) was recorded in the paired snow leopardess following mating. No offspring were produced. Snow leopards were observed daily for an additional 4.5 years. Sexual behaviour peaks could be clearly identified from December through April, and average daily sexual behaviour scores were higher during these months than during the rest of the year. Intervals between sexual behaviour peaks for the isolated snow leopardess averaged 3.03 weeks. The sexual behaviour of the paired snow leopards decreased for 8-9 weeks following mating when no offspring were produced, and decreased for 13 weeks in one year when a single cub was born.
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