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    Description

    Environmental barriers and habitat fragmentation can restrict gene flow, leading to genetic divergence among animal populations. The golden snub-nosed monkey, Rhinopithecus roxellana, is endemic to China, and ranges across 4 provinces. However, over the past 40 years its populations have become fragmented. We investigated the genetic diversity, demographic history and population structure of R. roxellana in 5 reserves in one of its strongholds, the Qinling Mountain forests of Shaanxi. We collected genetic material from 11 monkey bands (a group of individuals containing multiple 1-male units) with a total of 428 samples genotyped at 20 microsatellite loci. Allelic richness and heterozygosity suggested a relatively high level of intra-band genetic diversity. We found no evidence of any genetic bottleneck in these R. roxellana populations. AMOVA and Bayesian cluster analysis revealed that R. roxellana in the 5 reserves are highly structured and form at least 3 distinct subpopulations. These subpopulations concur with major topographical features in the study area, such as mountain ridges, suggesting that dispersal of R. roxellana may be restricted by geographical barriers.

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    Citation

    Huang, Kang; Guo, Songtao; Cushman, Samuel A.; Dunn, Derek W.; Qi, Xiaoguang; Hou, Rong; Zhang, Jing; Li, Qi; Zhang, Qiang; Shi, Zhen; Zhang, Kan; Li, Baoguo. 2016. Population structure of the golden snub-nosed monkey Rhinopithecus roxellana in the Qinling Mountains, central China. Integrative Zoology. 11(5): 350–360.

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    Keywords

    genetic diversity, golden snub-nosed monkey, population structure

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https://www.fs.usda.gov/treesearch/pubs/52983