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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
Sponsored by:Sichuan Society of Zoologists; Chengdu Giant Panda Breeding Research Foundation; Sichuan Association of Wildlife Conservation; Sichuan University
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Population survey of Marco Polo Sheep in Taxkorgan Nature Reserve, Xinjiang, China
Author of the article:CHEN QQ,LI ML, HAN F,WANG MY, XU WX, YANG WK
Author's Workplace:Xinjiang Institute of Ecology and Geography Chinese Academy of Scences University of Chinese Academy of Sciences Collage of Resources and Environment Science, Xinjiang University
Key Words:Ovis ammon polii; Population size; Distribution; Sex ratio; Taxkorgan Nature Reserve
Abstract:Abstract: A field survey on the distribution and density of Marco Polo sheep (Ovis ammon polii) was carried out from June to November 2017 in Taxkorgan Nature Reserve by using the map strip sampling. In total, 1 236.48 km2 area was surveyed through 16 line transects. The results showed that Marco Polo sheep was mainly distributed in Qialaqigu, Sarejilega, Seriketashi, Kalajilega, Pisiling and Zankan etc. valleys. The population size was estimated as 1 278±569 sheep in summer and 1 815±827 in winter inhabiting within the reserve. The herd size was 2~98, the average herd size was 14.54±1.33 individuals/herd. Sex ratio was 3.09 : 1(female: male) in summer and 3.83 : 1 in winter. Marco Polo sheep have been endangered due to overgrazing, mineral exploitation, fences construction. It is crucial to promote the development of Marco Polo sheep by establishing ecological compensation mechanism, building ecological corridors and limiting the number of domestic animals.
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