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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
Address:College of Life Sciences, Sichuan University, No.29, Wangjiang Road, Chengdu, Sichuan Province, 610064, China
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Population size and distribution of Rhinopithecus roxellana in Louguantai Experimental Forest Farm, Shaanxi Province, China
Author of the article:ZHONG Ling1, WANG Xiaowei2, LEI Yinghu5, JIA Kangsheng5, WANG Chengliang2, REN Yi2, FU Weiwei2, ZHAO
Author's Workplace:1. Shaanxi Nature Reserve and Wildlife Management Station, Xi'an 710082; 2. Shaanxi Key Laboratory for Animal Conservation, Shaanxi Institute of Zoology, Xi'an 710032; 3. Shaanxi Key Laboratory for Animal Conservation, Northwest University, Xi'an 710069; 4. Xi'an Branch of the Chinese Academy of Science, Xi'an 710043; 5. Shaanxi Animal Rescue and Research Center, Xi'an 710402
Key Words:Northern slope of Qinling Mountain; Sichuan snub-nosed monkeys; Population survey; Distribution
Abstract:From May to Qctober 2016, we conducted a survey on population size and distribution of Sichuan snub-nosed monkeys (Rhinopithecus roxellana) in the Louguantai Experimental Forest Farm (43, 000 Ha.) on northern slope of Mt. Qinling in Sahanxi province. By the way, social structure was analyzed. Using a V-shaped transect for the survey and long-term monitoring of infrared camera, We encountered the monkeys two times at two different sites and counted each group when we met: one was 65 individuals and the other had 72 individuals. We finally confirmed those two groups to be one by some identified individuals and its social structure. 137 individuals were found belong to 15 one-male units (mean = 8.6 individuals / OMU, of which 40% were adults, 48% were juveniles, and the remaining 12% were infants ) and one all-male unit (8 individuals). The sex ratio of female to male was 2.40:1, while the average ratio of adults to juveniles was 1:1.22. Compared to other groups of R. roxellana in Qinling Mountain, the average number of OMUs were the same, but the sex ratio of female to male is lower than that of other groups, the reason is not clear. In this survey, we not only found out the number and distribution of R. roxellana in Louguantai Experimental Forest Farm, but also provided a basic data for the feeding and management of the monkey in Shaanxi Rare Wildlife Rescue Research Center.
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