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International Snow Leopard Trust. (2002). Snow Leopard News, Spring 2002. Seattle, Washington: Islt.
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Xu, F., Ming, M., Yin, S. -jing, & Mardan. (2005). Snow Leopard Survey in Tumor Nature Reserve, Xingjiang (Vol. 24).
Abstract: Snow leopard survey was conducted in Oct-Nov 2004 at Tumor National Natural Reserve, Xinjiang, China. Because of its special living style, the snow leopard is difficult to observe by sight. Signs left by snow leopard become a good index to prove the existance of the big cat. There are mainly five kinds of signs, footprints, fectes, claw rakes and urine spray. From them we can know the distribution, probably population and habitat selection of snow leopard. This time in Tumor we investigated 5 difference places: Pochenzi in Mozat River area, Boxidun in Little Kuzbay River area, Yinyer in Tomur River area, Kurgan and Taglak in Quiong Tailan River area. 42 transects were run in this trip and a total of 57 signs found. Among them, footprints amounted to 71.9%, scrapes 21.1%, and feces 7.0%. The results showed that the big cat existed in Yinyer, Kurgan and Taglak areas and liked to select their habitat in the valley and didn't like to live in barren areas.
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Maming, R. (2012). Market prices for the tissues and organs of snow leopards in China. Selevinia, (20), 119–122.
Abstract: The population of snow leopard (Uncia uncia) is plummeting as waterfall in
the last ten years. The illegal trade of snow leopard products is one of the fatal
factors. The biggest range and the biggest population of snow leopard both are in
China, and the largest trade is also in the country. Through questionnaires and
investigation with informants from 2002 to 2012, a lot of data were collected
through variety ways in different regions. In this paper 387 cases of snow leopard
poaching including smuggling routes, product list, price system and product usages
from Xinjiang Uygur Autonomous Region were collected for analysis and discussion. In
the face of rapid development in the west of China, the results showed that our
government did not try to protect the snow leopards, and the text of law was
practically useless. International organizations such as WWF, WCS, IUCN, PANTHERA,
SLT & SLN with SLSS were also powerless and helpless to stop snow leopard poaching
and trading. As a result, the fate of the snow leopard is very bad, and this is
worrying.
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Xu, G., MaMing, R., Buzzard, P., Blank, D. (2014). Nature reserve in Xingjiang: a snow leopard paradise or refuge for how long? Selevinia, 22, 144–149.
Abstract: The snow leopard Uncia uncia is an endangered species, which is widely but thinly
distributed throughout its range in the mountains of Central Asia. China contains as
much as 60% of the snow leopard’s potential habitat and has the largest population
of this species. Xinjiang is the largest province in China, covering an area of 1.66
million km² or about one-sixth of the land area of China. Xinjiang is one of the
most important areas for snow leopards with much potential habitat in mountain
ranges such as the north and south Tienshan and Kunlun containing almost 30% of the
world’s snow leopard population. By the end of 2013, total 35 natural reserves have
been established in Xinjiang, and 20 of these areas have snow leopards (Ma et al,
2013). In this paper, we report on the status of snow leopards in these protected
areas and show that they play an important role in protecting snow leopards and
their habitats. Then, we discuss the many problems and challenges faced by these
protected areas.
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Wu, D., Maming, R., Xu, G., Zhu X., Buzzard, P. (2015). Relationship between ibex and snow leopard about food chain and population density in Tian Shan. Selevinia, , 186–190.
Abstract: Many studies have demonstrated that ibex (Capra sibirica) are the most frequently eaten prey of snow
leopards (Panthera uncia) in Xinjiang, the west of China. Thus, an understanding of interactions between these species may have significant management and conservation of implications for both. In this study, we provide information on ibex grouping and density over a 24 month period in the Tian Shan of Xinjiang, China. We then use ibex density to estimate the density of snow leopards. We observed ibex primarily in ewe-lamb groups (N=880), but ibex sexual segregation and grouping changed seasonally with more mixed-sex groups during the winter rut. We observed the most ibex in April 2014 and 2015 with an average of (2422 ± 119 ibex). Over the 1643 km2 study area we then estimated an ibex density of 154 ± 23 ibex /100 km2 from which we estimated a density of 1.31~2.58 snow leopards/100 km2.
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Green, R. (1977). Toxoplasmosis: Blood disease in cats can strike man as well. Seattle Times.
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Anonymous. (1975, 11 September). A rare snow leopard surgery. Seattle Post Intelligencer.
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Johansson, O., Samelius, G., Wikberg, E, Chapron, G., Mishra, C., Low, M. (2020). Identification errors in camera- trap studies result in systematic population overestimation. Scientific Reports, 10(6393), 1–10.
Abstract: Reliable assessments of animal abundance are key for successful conservation of endangered species. For elusive animals with individually-unique markings, camera-trap surveys are a benchmark standard for estimating local and global population abundance. Central to the reliability of resulting abundance estimates is the assumption that individuals are accurately identified from photographic captures. To quantify the risk of individual misidentification and its impact on population abundance estimates we performed an experiment under controlled conditions in which 16 captive snow leopards (Panthera uncia) were camera-trapped on 40 occasions and eight observers independently identified individuals and recaptures. Observers misclassified 12.5% of all capture occasions, resulting in systematically inflated population abundance estimates on average by one third (mean ± SD = 35 ± 21%). Our results show that identifying individually-unique individuals from camera-trap photos may not be as reliable as previously believed, implying that elusive and endangered species could be less abundant than current estimates indicate.
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Woodroffe, R., & Ginsberg, J. R. (1998). Edge effects and the extinction of populations inside protected areas. Science Washington D.C., 280(5372), 2126–2128.
Abstract: Theory predicts that small populations may be driven to extinction by random fluctuations in demography and loss of genetic diversity through drift. However, population size is a poor predictor of extinction in large carnivores inhabiting protected areas. Conflict with people on reserve borders is the major cause of mortality in such populations, so that border areas represent population sinks. The species most likely to disappear from small reserves are those that range widely-and are therefore most exposed to threats on reserve borders-irrespective of population size. Conservation efforts that combat only stochastic processes are therefore unlikely to avert extinction.
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MaMing, R.. F., Xu. Yun, Cheng et al. (2013). Snow Leopards in Xinjiang.
Abstract: The snow leopard Uncia uncia is a globally endangered species, occurring in China and 11
neighboring countries, with a total population of 3500-7000 individuals. China is very important
for Snow Leopards, as it contains both the more than half of the distribution area and the largest
remaining population. However, like other big cats, the density is very low, perhaps less than 1
individual per 100 square kilometers in the western mountains of China. This book first reviewed
ten years of research by Xinjiang Snow Leopard Team (XSLT), and it contains over 300 figures
including maps, illustrations, pictures and photos, 46 tables as well as more than a thousand
references and 1100 key words in the index.
In the past ten years, XSLT has received much support and funding from the Snow Leopard
Trust (SLT) and the Xinjiang Conservation Fund (XCF). In this regard, the Chinese government
has not yet given one cent to support the Xinjiang Snow Leopard Project. Our situation is very
difficult indeed, and it is hoped that this book will inspire future government support.
There are many topics discussed in this work including a decade of successes or failures with
the Snow Leopard Survival Strategy (SLSS from 2002 to 2012). The authors also present findings
from every International Snow Leopard Conference (1978-2008), the stories of 14 experts, the big
events of conservation and research (1776-2012), and many questions for future research in the
appendix. This is the first work about snow leopards in China. It is a popular scientific book that
covers snow leopard monitoring, research, conservation and management, and it could also be
very helpful to nature reserve staff and scientists as well as students, teachers, outdoor explorers,
volunteers and cat lovers.
The book contains the following: preface, table of contents (in English), and chapters on the
ancient records of snow leopards; their place in the family of big cats; research methods and field
logs for snow leopards; their population size and distribution in China; biological knowledge,
conservation and management of snow leopards; their presence in zoos; Nature Reserves in
Xinjiang, the experiences of snow leopard conservation in other countries; appendix; index; and
afterword (ISBN 978-7-03-036723-5, the book was published in March 2013 with total of 616
pages and approximately 0.77 million Chinese words, price: RMB 145.00 Yuan).
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