The Primary Study on Breeding Ecology of Ochotona dauurica in Typical Steppe
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Institute of Zoology,Chinese Academy of Science, Beijing, China;,Captital normal University,Captital normal University,Institute of Zoology,Chinese Academy of Science, Beijing, China;,Institute of Zoology,Chinese Academy of Science, Beijing, China;,Institute of Zoology,Chinese Academy of Science, Beijing, China;

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    Abstract:

    Daurian pika (Ochotona dauurica)is a key species in typical steppe, we know little about its reproduction. We analyzed the population size, sex ratio, reproduction and age structure of Daurian pika, captured in Abaga Qi, Xilinhot City, Inner Mongolia of China from 2009 to 2010. The results show that population size of 2009 (118) is larger than that in 2010(81); the sex ratio is biased to female in total; the breeding period of pika is among March to September and mainly in April to June every year, average litter size is 6.15±0.50 (n=13);Juvenile and subadult occupy a small part in the population of July to September in 2009 and adults is dominant part; the juvenile and subadult are more than adults among June to July in 2010, and subadult and adult are main parts among August to September. In conclusion,the population reproductive parameters above are reflection of Daurian pika’s adaption to habitat in typical steppe.

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CHEN Li-Jun, ZHANG Wen-Jie, ZHANG Xiao-Qian, JIA Ju-Jie, LIU Wei, WAN Xin-Rong. 2014. The Primary Study on Breeding Ecology of Ochotona dauurica in Typical Steppe. Chinese Journal of Zoology, 49(5): 649-656.

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History
  • Received:December 17,2013
  • Revised:June 26,2014
  • Adopted:May 04,2014
  • Online: September 17,2014
  • Published:
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