群体规模对灰石林白头犀时间预算和觅食行为的影响

IF 1.2 4区 生物学 Q2 ZOOLOGY Folia Primatologica Pub Date : 2019-10-30 DOI:10.1159/000502812
Kechu Zhang, Qihai Zhou, Huailiang Xu, Zhonghao Huang
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引用次数: 10

摘要

生态约束模型得到了大多数食草灵长类动物数据的有力支持;然而,该模型对食叶灵长类动物的预测能力较弱。从2016年9月至2017年8月,我们在中国西南广西崇左白头叶猴国家级自然保护区收集了四组白头叶猴(Trachypithecus leuccephalus)的时间预算、日径长度和日粮的比较数据,其中包括两个大组(G-DS和G-ZWY)和两个小组(G-LZ和G-NN)。目的是获得觅食竞争的证据,并在其喀斯特栖息地测试这种高度食叶灵长类动物的生态约束模型。结果表明,大组的叶猴比小组的叶猴花更多的时间旅行,更少的时间休息,并且平均每天的路径长度更长。饮食组成和饮食多样性在大组和小组之间没有显著差异。我们的研究表明,大型群体的叶猴在石灰岩森林中遭受争夺,并支持了叶猴生态约束模型的有效性。
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Effect of Group Size on Time Budgets and Ranging Behavior of White-Headed Langurs in Limestone Forest, Southwest China
The ecological constraints model is well supported by data from most frugivorous primates; however, the prediction power of the model is weak for folivorous primates. From September 2016 to August 2017, we collected comparative data on time budgets, daily path lengths and diets of four groups of white-headed langurs (Trachypithecus leucocephalus), including two large groups (G-DS and G-ZWY) and two small groups (G-LZ and G-NN) in Chongzuo White-Headed Langur National Nature Reserve, Guangxi Province, Southwest China. The aim was to obtain evidence of foraging competition and to test the ecological constraints model on this highly folivorous primate in its karst habitat. The results showed that langurs in the larger groups spent more time traveling, less time resting, and had a longer average daily path length than those in the small groups. Diet composition and dietary diversity were not significantly different between the large and small groups. Our study demonstrates that langurs from large groups suffer scramble competition in limestone forests and supports the validity of the ecological constraints model for folivores.
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来源期刊
Folia Primatologica
Folia Primatologica 生物-动物学
CiteScore
3.30
自引率
10.50%
发文量
36
审稿时长
>12 weeks
期刊介绍: Recognizing that research in human biology must be founded on a comparative knowledge of our closest relatives, this journal is the natural scientist''s ideal means of access to the best of current primate research. ''Folia Primatologica'' covers fields as diverse as molecular biology and social behaviour, and features articles on ecology, conservation, palaeontology, systematics and functional anatomy. In-depth articles and invited reviews are contributed by the world’s leading primatologists. In addition, special issues provide rapid peer-reviewed publication of conference proceedings. ''Folia Primatologica'' is one of the top-rated primatology publications and is acknowledged worldwide as a high-impact core journal for primatologists, zoologists and anthropologists.
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