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周岐海, 黄中豪, 韦华, 黄乘明. 2018: 弄岗石山生境中同域分布的黑叶猴(Trachypithecus francoisi)和熊猴(Macaca assamensis)食物组成的差异. 动物学研究, 39(4): 284-290. DOI: 10.24272/j.issn.2095-8137.2018.046
引用本文: 周岐海, 黄中豪, 韦华, 黄乘明. 2018: 弄岗石山生境中同域分布的黑叶猴(Trachypithecus francoisi)和熊猴(Macaca assamensis)食物组成的差异. 动物学研究, 39(4): 284-290. DOI: 10.24272/j.issn.2095-8137.2018.046
Qi-Hai Zhou, Zhong-Hao Huang, Hua Wei, Cheng-Ming Huang. 2018: Variations in diet composition of sympatric Trachypithecus francoisi and Macaca assamensis in the limestone habitats of Nonggang, China. Zoological Research, 39(4): 284-290. DOI: 10.24272/j.issn.2095-8137.2018.046
Citation: Qi-Hai Zhou, Zhong-Hao Huang, Hua Wei, Cheng-Ming Huang. 2018: Variations in diet composition of sympatric Trachypithecus francoisi and Macaca assamensis in the limestone habitats of Nonggang, China. Zoological Research, 39(4): 284-290. DOI: 10.24272/j.issn.2095-8137.2018.046

弄岗石山生境中同域分布的黑叶猴(Trachypithecus francoisi)和熊猴(Macaca assamensis)食物组成的差异

Variations in diet composition of sympatric Trachypithecus francoisi and Macaca assamensis in the limestone habitats of Nonggang, China

  • 摘要: 开展同域分布物种的比较研究不仅有助于了解物种的行为和生态适应,还有助于探索降低物种间的资源竞争而得以共存的机制。黑叶猴(Trachypithecus francoisi)和熊猴(Macaca assamensis)是同域分布于广西弄岗国家级自然保护区喀斯特石山季雨林中的灵长类动物。我们采用15分钟间隔的扫描取样法收集这两个物种的食物数据,以探讨它们觅食适应策略的差异。研究结果表明:与熊猴相比,黑叶猴表现出更灵活的食物组成。它们增加食物的多样性和采食更多的成熟叶以应对喜食的嫩叶和果实的季节性匮乏。而熊猴在大部分月份中主要依赖于石山蓬叶竹(Indocalamus calcicolus)的嫩叶。这些差异与两个物种的消化生理、形态和食物资源的时空分布的差异有关。

     

    Abstract: Comparative studies of sympatric species are essential for understanding behavioral and ecological adaptation as well as the mechanisms that can reduce resource competition to allow coexistence. François’ langurs (Trachypithecus francoisi) and Assamese macaques (Macaca assamensis) are sympatric primate species found in the limestone seasonal rainforests of Nonggang Nature Reserve, southwestern Guangxi, China. To explore their different adaptation strategies, we collected data on diet using scan sampling at 15-min intervals. Our results revealed that François’ langurs showed a more flexible diet composition than Assamese macaques. François’ langurs increased dietary diversity and mature leaf consumption in response to seasonal scarcity of preferred young leaves and fruits, whereas Assamese macaques relied heavily on young bamboo leaves (Indocalamus calcicolus) in most months. These variations reflect the differences in digestive physiology, morphology, and the temporal and spatial distribution of food resources.

     

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