首页|Dispersal patterns in Yunnan snub-nosed monkeys

Dispersal patterns in Yunnan snub-nosed monkeys

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Sex-biased dispersal is common in group-living animals.Due to differences in local demographic and environmental factors,sex-biased dispersal presents many irregular patterns.In this study,a habituated,individually identified Yunnan snub-nosed monkey Rhinopithecus bieti group was observed over 9years;192 dispersal events,including 97 male dispersal events(25 natal dispersal and 72 secondary dispersal)and 95 female dispersal events(34 natal dispersal and 61 secondary dispersal)were observed.Males and females showed different dispersal paths,dispersal ages,and dispersal patterns.Females had 2 dispersal paths,whereas males had 4 paths.In terms of age of dispersal,the male age of natal dispersal was younger than for females.Males prefer single disper-sal,whereas females prefer parallel dispersal.Our study indicates that the dispersal pattern of R.bieti should be classified as a bisexual dispersal pattern.The differences in dispersal path,aver-age age at dispersal,and dispersal path pattern indicate that Yunnan snub-nosed monkeys may still retain a loose matrilineal social system.

bisexual dispersaldispersalparallel dispersalRhinopithecus bieti

Wancai XIA、Fan WANG、Dali WANG、Xiaoqin ZENG、Chan YANG、Ali KRZTON、Baoping REN、Dayong LI

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Key Laboratory of Southwest China Wildlife Resources Conservation(Ministry of Education),China West Normal University,Nanchong City,Sichuan 637009,China

Institute of Rare Animals and Plants,China West Normal University,Nanchong City,Sichuan 637009,China

Auburn University Libraries,Auburn University,Auburn,AL 36849,USA

Key Laboratory for Ecology of Tropical Islands(Ministry of Education),Hainan Normal University,Haikou,Hainan 571158,China

Key Laboratory of Tropical Animal and Plant Ecology of Hainan Province,Hainan Normal University,Haikou,Hainan 571158,China

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project of the National Natural Science Foundation of ChinaSecond Tibetan Plateau Scientific Expedition and Research ProgramNational Key Programme of Research and Development,Ministry of Science and TechnologyBiodiversity Survey and Assessment Project of the Ministry of Ecology and Environment,ChinaSichuan Science and Technology Program

320704542019QZKK05012016YFC05032002019HJ20960010062021JDRC0024

2022

动物学报(英文版)
中国科学院动物研究所,中国动物学会

动物学报(英文版)

CSCDSCI
影响因子：0.198
ISSN：1674-5507
年,卷(期)：2022.68(3)
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