ORIGINAL PAPERS

Population size and distribution of western black crested gibbon (Nomascus concolor) in Ailao Mountain, Chuxiong Prefecture, Yunnan Province

  • LI Genhui ,
  • QIN Zhongyi ,
  • LU Lixiong ,
  • GAO Wenjun ,
  • LUO Wenfu ,
  • LI Han ,
  • LI Yuwu ,
  • YIN Cunquan ,
  • XU Ping ,
  • YIN Guanghua ,
  • LI Fabao ,
  • NIU Xiaowei ,
  • JIANG Xuelong
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  • 1 Chuxiong Management and Protection Bureau of Yunnan Ailao Mountains National Nature Reserve, Chuxiong 675000, China;
    2 State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, China;
    3 Wuliang-Ailao Mountains Wildlife Observation and Research Station of Yunnan Province, Kunming 650223, China

Received date: 2022-11-02

  Revised date: 2023-05-16

  Online published: 2023-09-22

Abstract

From November to December 2020, we conducted the second field survey on the population and distribution of the western black crested gibbon (Nomascus concolor) in Ailao Mountain, Chuxiong Prefecture, Yunnan by interviews and loud morning calls counting method. The survey recorded 61 groups and 14 individuals of western black crested gibbon, a total of about 270 individuals in the National Nature Reserve and its surrounding state forest areas. The gibbon population was mainly found (59 groups and 13 individuals) from the central part of Chuxiong City to the south part of Shuangbai County, while from the central to the north part of Nanhua County it was represented by a small isolated population (two groups and one individual). Compared with the previous survey in 2005, the population of the western black crested gibbon in Ailao Mountains, Chuxiong Prefecture increased significantly but still facing threats from population isolation and human disturbance such as grazing by cattle and goats. According to the current population and distribution pattern, we propose to conduct long-term population dynamic monitoring for concentrated populations, regular and irregular patrolling for isolated and marginal distributed groups, habitat assessment and restoration, and assign the groups in state forests managed by national nature reserve management and protection bureau for protection and conservation of western black crested gibbons in Ailao Mountains, Chuxiong Prefecture, Yunnan.

Cite this article

LI Genhui , QIN Zhongyi , LU Lixiong , GAO Wenjun , LUO Wenfu , LI Han , LI Yuwu , YIN Cunquan , XU Ping , YIN Guanghua , LI Fabao , NIU Xiaowei , JIANG Xuelong . Population size and distribution of western black crested gibbon (Nomascus concolor) in Ailao Mountain, Chuxiong Prefecture, Yunnan Province[J]. ACTA THERIOLOGICA SINICA, 2023 , 43(5) : 513 -522 . DOI: 10.16829/j.slxb.150749

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