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首页> 外文期刊>Oryx >A population estimate of the Endangered chimpanzee Pan troglodytes vellerosus in a Nigerian montane forest: implications for conservation
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A population estimate of the Endangered chimpanzee Pan troglodytes vellerosus in a Nigerian montane forest: implications for conservation

机译：尼日利亚山地森林中濒临灭绝的黑猩猩盘尾类动物的种群估计：对保护的影响

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摘要

Pan troglodytes vellerosus, the Nigerian-Cameroon chimpanzee, is the most recently recognized chimpanzee subspecies and is categorized as Endangered on the IUCN Red List. Current estimates, based on a range of sources, suggest the total number of individuals to be between 5,000-8,000. This study used a transect survey to estimate the population of P. t. vellerosus within the Nigerian submontane forest of Ngel Nyaki Forest Reserve, in Taraba State. The forest is an isolated fragment of c. 7.5 km~2. Total nest building population size (n = 12.5) and population density (1.67 weaned chimpanzees km~2) were estimated from the number of nests observed along line transects. The maximum nest-group size (n = 11) suggests that this population comprises a single community. The low estimated population numbers within Ngel Nyaki forest, compounded by the forest's isolated location, highlight the urgent need for conservation action.
机译：尼日利亚-喀麦隆黑猩猩是tro troglodytes vellerosus，是最近被认可的黑猩猩亚种，在IUCN红色名录中被列为濒危物种。根据各种来源的最新估计表明，个人总数在5,000-8,000之间。这项研究使用了横断面调查来估计点球虫的种群。塔拉巴州Ngel Nyaki森林保护区尼日利亚山地森林中的vellerosus。森林是c的一个孤立片段。 7.5公里〜2。根据沿线样线观察到的巢的数量，估算出巢的总筑巢数量（n = 12.5）和种群密度（1.67只断奶的黑猩猩km〜2）。最大的巢群大小（n = 11）表明该种群由一个群落组成。 Ngel Nyaki森林内的估计种群数量偏低，加上该森林的地理位置偏僻，这凸显了迫切需要采取保护行动。

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