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Singh, R., Krausman, P. R., Pandey, P., Maheshwari, A., Rawal,
R. S., Sharma, S., Shekhar, S. |
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Title |
Predicting Habitat Suitability of Snow Leopards in the Western
Himalayan Mountains, India |
Type |
Journal Article |
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Year |
2020 |
Publication |
Biology bulletin |
Abbreviated Journal |
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47 |
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6 |
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655-664 |
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Keywords |
biogeographic distribution, climate, endangered cat, MaxEnt, snow leopard |
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The population of snow leopard (Panthera uncia) is declining
across their range, due to poaching, habitat fragmentation, retaliatory
killing, and a decrease of wild prey species. Obtaining information on
rare and cryptic predators living in remote and rugged terrain is
important for making conservation and management strategies. We used the
Maximum Entropy (MaxEnt) ecological niche modeling framework to predict
the potential habitat of snow leopards across the western Himalayan
region, India. The model was developed using 34 spatial species
occurrence points in the western Himalaya, and 26 parameters including,
prey species distribution, temperature, precipitation, land use and land
cover (LULC), slope, aspect, terrain ruggedness and altitude. Thirteen
variables contributed 98.6% towards predicting the distribution of snow
leopards. The area under the curve (AUC) score was high (0.994) for the
training data from our model, which indicates pre- dictive ability of
the model. The model predicted that there was 42432 km2 of potential
habitat for snow leop- ards in the western Himalaya region. Protected
status was available for 11247 km2 (26.5%), but the other 31185 km2
(73.5%) of potential habitat did not have any protected status. Thus,
our approach is useful for predicting the distribution and suitable
habitats and can focus field surveys in selected areas to save
resources, increase survey success, and improve conservation efforts for
snow leopards. |
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1629 |
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Author |
McCarthy, T. |
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Title |
Snow Leopards in Mongolia |
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Miscellaneous |
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2000 |
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Keywords |
Mongolia; distribution; status; irbis; irbis-enterprises; herders; livestock; economy; conservation; gobi; habitat; Disease; depredation; conflict; predator; prey; hunting; poaching; skins; pelts; coats; furs; bones; trade; Macne; habitat-fragmentation; browse; enterprises; fragmentation; habitat fragmentation; 4090 |
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Full Text at URL |
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Call Number |
SLN @ rana @ 383 |
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662 |
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Author |
Atzeni, L., Cushman, S. A., Bai, D., Wang, J., Chen, P., Shi,
K., Riordan, P. |
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Title |
Meta-replication, sampling bias, and multi-scale model selection:
A case study on snow leopard (Panthera uncia) in western China. |
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Journal Article |
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2020 |
Publication |
Ecology and Evolution |
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1-27 |
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MaxEnt, meta-replication, multi-scale, Panthera uncia, sampling bias, scale selection, snow leopard, species distribution model |
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Abstract |
Replicated multiple scale species distribution models (SDMs)
have become increasingly important to identify the correct variables
determining species distribution and their influences on ecological
responses. This study explores multi-scale habitat relationships of the
snow leopard (Panthera uncia) in two study areas on the Qinghai–Tibetan
Plateau of western China. Our primary objectives were to evaluate the
degree to which snow leopard habitat relationships, expressed by
predictors, scales of response, and magnitude of effects, were
consistent across study areas or locally landcape-specific. We coupled
univariate scale optimization and the maximum entropy algorithm to
produce multivariate SDMs, inferring the relative suitability for the
species by ensembling top performing models. We optimized the SDMs based
on average omission rate across the top models and ensembles’ overlap
with a simulated reference model. Comparison of SDMs in the two study
areas highlighted landscape-specific responses to limiting factors.
These were dependent on the effects of the hydrological network,
anthropogenic features, topographic complexity, and the heterogeneity of
the landcover patch mosaic. Overall, even accounting for specific local
differences, we found general landscape attributes associated with snow
leopard ecological requirements, consisting of a positive association
with uplands and ridges, aggregated low-contrast landscapes, and large
extents of grassy and herbaceous vegetation. As a means to evaluate the
performance of two bias correction methods, we explored their effects on
three datasets showing a range of bias intensities. The performance of
corrections depends on the bias intensity; however, density kernels
offered a reliable correction strategy under all circumstances. This
study reveals the multi-scale response of snow leopards to environmental
attributes and confirms the role of meta-replicated study designs for
the identification of spatially varying limiting factors. Furthermore,
this study makes important contributions to the ongoing discussion about
the best approaches for sampling bias correction. |
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1616 |
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Author |
Zimina R.P. |
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Title |
Biology and biotopical distribution of mammals. Predators. Distribution of mammals by vertical zones |
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Miscellaneous |
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Year |
1964 |
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25-27 |
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Kyrgyzstan; Issy-Kul derression; fauna; snow leopard; distribution.; 8820; Russian |
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Abstract |
Fauna of the Issyk-Kul depression and the surrounding ridges consists of heterogeneous elements different in their ecologic features and origin. In highlands, more common are species of Central Asia's origin (gray marmot, snow leopard, dhole, ibex, argali, etc.). Snow leopard is met in Terskey-Alatau. Each year hunters catch/shoot one to three snow leopards in the Chon-Kizilsu river basin. In the Djeti-Oguz district, up to five eight snow leopards are caught each winter. Snow leopard is also caught/shot in the river basins Chon-Kizilsu, Karabatkak, Ortok, Archtor, Tekeletor, and Shatly. |
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Full text available in RussianJournal Title: Regularities of vertical distribution of mammals. |
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Call Number |
SLN @ rana @ 859 |
Serial |
1090 |
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Author |
Zhiryakov V.A. |
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Title |
Ecology and behavior of the Snow leopard in Kazakhstan |
Type |
Miscellaneous |
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Year |
2002 |
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N 1-4. |
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184-199 |
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Keywords |
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 |
Zhirnov L.V. |
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Title |
Rare and endangered species of the USSR |
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Miscellaneous |
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1978 |
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91-94 |
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Ussr; snow leopard; distribution; number; practical use.; 8740; Russian |
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A description of snow leopard number, distribution, reproductive biology, death reasons, and conservation measures in the USSR, where northern and north-western border of its habitat runs, is given. The population of snow leopard in the USSR is 500 1,000 animals. In the Inner Tien Shan, 400 snow leopards were caught 1936 through 1970. The maximum of 120 skins was purchased in Pamir in 1956 1958. Population of snow leopard directly correlates with population of ibex, a fact being verified by data collected on a long-term basis. Moreover, snow leopard was for a long time considered as a harmful animal, shooting of which was encouraged by premiums and resulted in reduction of snow leopard population. |
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Full text available in RussianJournal Title: Mammals and birds. |
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SLN @ rana @ 851 |
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1080 |
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Zhirjakov, V.A. |
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On the ecology of the snow leopard in the Zailisky-Alatau (Northern Tien Shan) |
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1990 |
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Int Ped Book of Snow Leopards |
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6 |
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25-30 |
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Tien-Shan; ecology; China; browse; Kazakhstan; Russia; Soviet-Union; distribution; population; prey; behavior; food-habits; scat-analysis; 3240 |
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Full text available at URL |
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SLN @ rana @ 168 |
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1078 |
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Author |
Zakirov A. |
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Cats |
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Miscellaneous |
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1974 |
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196-198 |
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Uzbekistan; Ferghana valley; mammals; Cats; snow leopard; distribution.; 8680; Russian |
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It describes a fauna complex of the Fergana valley in Uzbekistan. Three cat family species are found there (wild cat, Turkistan lynx and snow leopard). Snow leopard (Uncia uncia) inhabits eastern part of the Chatkal ridge in the mountains of Akchala. Known are cases of snow leopard's preying on sheep in summer but such cases are extremely rare and the harm is negligent. This is a highly endangered species and therefore full prohibition of shooting the animals is required. |
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Full text available in RussianJournal Title: Vertebrates in the Ferghana valley. |
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SLN @ rana @ 845 |
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1070 |
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Author |
Zakhidov T.Z.Meklenburtsev R.N., B.O.P. |
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Snow leopard Uncia uncia Schreb. Distribution of fauna elements over Central Asia |
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Miscellaneous |
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1971 |
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Vol. 2. Vertebrate animals. |
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234-235 |
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Central Asia; snow leopard; distribution; preys; behavior; practical value.; 8670; Russian |
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Snow leopard inhabits the mountainous ecosystems from Tarbagatai to Hissar and Pamir. It feeds upon large animals such as ibex, argali, roe deer, and sometimes domestic sheep, rodents, and birds (most frequently snow cock). The skin of this animal is not of significant value and is rarely an item of trade. In many countries, zoos will readily buy snow leopards. There is no danger for a man to catch snow leopard since even being wounded during a hunt, the animal would never attack the man. An encounter with snow leopard in the mountains will always end safely for human being, as it is always first to spot a man and go away unnoticed. |
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Full text available in RussianJournal Title: Nature and fauna of Central Asia. |
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SLN @ rana @ 844 |
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1069 |
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Author |
Zakhidov T.Z. |
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Irbis (Felis uncia) Ilvrs |
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1960 |
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67 |
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Uzbekistan; snow leopard; taxonomy; distribution; habitats; life history; practical value.; 8660; Russian |
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The author provides information about snow leopard taxonomy, distribution, habitat and appearance. Biology of this animal is understudied. Snow leopard is able to make long jumps. It feeds upon ibex, wild sheep, marmots, partridge, and sometimes livestock, but never man. Gestation period is three months, at the end of May female gives birth to two or three cubs. Being very occasional, purchase of skin is of no practical value. |
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Full text available in RussianJournal Title: Zoological encyclopedia (Mammals). |
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SLN @ rana @ 843 |
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1068 |
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