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首页> 外文期刊>Primates >The feeding ecology and dietary overlap in two sympatric primate species, the long-tailed macaque (Macaca fascicularis) and dusky langur (Trachypithecus obscurus obscurus), in Malaysia
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The feeding ecology and dietary overlap in two sympatric primate species, the long-tailed macaque (Macaca fascicularis) and dusky langur (Trachypithecus obscurus obscurus), in Malaysia

机译：两种合并尿精（Macaca Fascularis）和Dusky Langur（Trachypithecus oldurus），在马来西亚的喂养生态和膳食重叠喂养生态和膳食重叠

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摘要

Knowledge about the feeding ecology and dietary overlap of sympatric primates is essential for understanding how animals avoid or reduce interspecific competition. From April 2014 to March 2015, we investigated the feeding ecologies of two sympatric primates, a hindgut fermenter, the long-tailed macaque (Macaca fascicularis) and a foregut fermenter, the dusky langur (Trachypithecus obscurus obscurus), in a mixed landscape consisting of urban and agro-forested areas and forest fragments in Malaysia. We collected a total of 5570 and 4029 of feeding records for M. fascicularis and T. o. obscurus, respectively, using the 10-min scan sampling method. Food availability and seasonal changes in plant species consumed by both study groups were determined by vegetation surveys carried out across an area of 1.6ha. A total of 113 and 130 plant species were consumed by M. fascicularis and T. o. obscurus, respectively. Leaves (51%) and fruits (40%) accounted for the majority of the feeding records in T. o. obscurus, whereas fruits (32%) and anthropogenic foods (27%) together with leaves (15%) and insects(6%) accounted for the majority of the feeding records for M. fascicularis. Throughout the year, there were 59 consumed plant species common to both species, and the dietary overlap was the highest for fruits. Although leaves were always more abundant than fruits in our study site, the amount of monthly fruit eating by the two species showed a significant correlation with that of fruit availability. Monthly fruit availability had a positive effect on overall monthly dietary overlap while flower and leaf availability had a negative effect. We showed that fruit was the preferred food resource of two sympatric species with different digestive systems. This could have implications for resource competition, interspecific competition, and niche separation, which should be investigated in more detail.
机译：关于SympaTric灵长类动物的喂养生态和饮食重叠的知识对于了解动物如何避免或减少差异竞争至关重要。从2014年4月到2015年3月，我们调查了两种SympaTric Sweates的饲养生态，后狗发酵罐，长尾猕猴（Macaca Fascicularis）和昏暗的植物（Trachypithecus Imburus），在混合景观中组成的混合景观马来西亚的城市和农业森林地区和森林碎片。我们收集了3570和4029的饲料记录，用于M. Fascicularis和T.O。突兀分别使用10 min扫描采样方法。两项研究组消耗的植物物种的食物可用性和季节性变化由植被调查确定在1.6Ha面积上进行。通过M. fascicularis和T.0消耗了总共113和130种植物物种。暗淡的分别。叶（51％）和水果（40％）占T.O的大部分饲养记录。暗淡的水果，而果实（32％）和人为食物（27％）与叶子（15％）和昆虫（6％）占M. Fascicularis的大多数饲料记录。全年，两种物种共有59种植物物种，膳食重叠是水果最高的。虽然叶子总是比我们的研究现场的水果更丰富，但两种物种的每月水果饮食量与水果可用性的显着相关性表现出显着的相关性。每月水果可用性对整体每月膳食重叠具有积极影响，而花和叶片可用性具有负面影响。我们表明，果实是两种具有不同消化系统的两​​个合并物种的首选食物资源。这可能对资源竞争，特异性竞争和利基分离产生影响，这应该更详细地调查。

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