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首页> 外文期刊>American journal of primatology >The Genetic Population Structure of Wild Western Lowland Gorillas(Gorilla gorilla gorilla) Living in Continuous Rain Forest
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The Genetic Population Structure of Wild Western Lowland Gorillas(Gorilla gorilla gorilla) Living in Continuous Rain Forest

机译：连续雨林中西部野生低地大猩猩（大猩猩大猩猩）的遗传种群结构

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摘要

To understand the evolutionary histories and conservation potential of wild animal species it is useful to assess whether taxa are genetically structured into different populations and identify the underlying factors responsible for any clustering. Landscape features such as rivers may influence genetic population structure, and analysis of structure by sex can further reveal effects of sex‐specific dispersal. Using microsatellite genotypes obtained from noninvasively collected fecal samples we investigated the population structure of 261 western lowland gorillas (WLGs) (Gorilla gorilla gorilla) from seven locations spanning an approximately 37,000km~2 region of mainly continuous rain forest within Central African Republic (CAR), Republic of Congo and Cameroon.We found our sample to consist of two or three significantly differentiated clusters. The boundaries of the clusters coincided with courses of major rivers. Moreover, geographic distance detoured around rivers better‐explained variation in genetic distance than straight line distance. Together these results suggest that major rivers in our study area play an important role in directing WLG gene flow. The number of clusters did not change when males and females were analyzed separately, indicating a lack of greater philopatry in WLG females than males at this scale. Am. J. Primatol. 76:868–878, 2014.
机译：为了了解野生动物物种的进化历史和保护潜力，评估类群是否在基因上被构造成不同的种群并确定导致任何聚类的潜在因素是很有用的。河流等景观特征可能会影响遗传种群结构，而按性别对结构进行的分析可以进一步揭示性别特异性扩散的影响。使用从无创收集的粪便样本中获得的微卫星基因型，我们调查了来自七个区域的261个西部低地大猩猩（WLG）（大猩猩大猩猩）的种群结构，分布在中非共和国（CAR）大约37,000km〜2地区，主要是连续的雨林刚果共和国和喀麦隆。我们发现我们的样本由两个或三个明显不同的星团组成。集群的边界与主要河流的路线重合。而且，河流周围的地理距离比直线距离更能解释遗传距离的变化。这些结果共同表明，我们研究区的主要河流在指导WLG基因流方面起着重要作用。分别分析雄性和雌性时，簇的数量没有变化，这表明在此规模下，WLG雌性没有比雄性更大的唇phil病。上午。 J. Primatol。 76：868–878，2014年。

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