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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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Study on suitable habitat of Rhinopithecus roxellana in Jiuzhaigou National Nature Reserve Based on Maxent model
Author of the article:Li Yudong1, Luo Yan1*, Zhao Haitao2, Wang Chengliang2, Du Jie3
Author's Workplace:1. Sichuan Province Natural Resources Academy,Wildlife Germplasm Resources Conservation and Sustainable Utilization Key Laboratory,Chengdu 610015;2. Institute of Zoology, Shaanxi Academy of Sciences, Xi’an 710032; 3. Jiuzhaigou National Nature Reserve Management, Abazhou 623400)
Key Words:Rhinopithecus roxellana; suitable habitat; MaxEnt model; Jiuzhaigou National Nature Reserve
Abstract:The Rhinopithecus roxellana is one of the most important primate endemic species in China. Jiuzhaigou National Nature Reserve is one of its distribution regions. The MaxEnt model was applied to study the habitat suitability for Rhinopithecus roxellana in Jiuzhaigou National Nature Reserve. The results showed as below. (1) The accuracy of MaxEnt model is very high, as indicated by the value of the area under the receiver operator characteristic curve of 0.981±0.011. (2) The suitable habitat area of the Rhinopithecus roxellana in Jiuzhaigou is 7519.68 hm2, which accounts for 11.7% of the total area of the protected area, mainly in the northern forest. (3) The results of Percent contribution, Permutation importance and Jackknife test showed that the most important environmental factors affecting the Rhinopithecus roxellana are altitude and man-made interference (namely, the distance to road). Vegetation type, aspect and the distance to walking track are the next, while other environmental factors have less influence. (4) The Rhinopithecus roxellana preferred south, southwest, west or northwest slope in the cold temperate coniferous forest, temperate coniferous forest, coniferous forest and deciduous forests with elevation between 2100-3500 meters, the distance to the road and walking tact were 700-5000m and 150-3500m, respectively. We suggest to reduce the disturbance of human activities to Rhinopithecus roxellana, to strengthen the protection of the habitats in the border areas of the Reserve, and to ensure the connectivity between the suitable habitat in the Reserve and the surrounding areas of Rhinopithecus roxellana.
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