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首页> 美国卫生研究院文献>Biodiversity Data Journal >New records of bats and terrestrial small mammals from the Seli River in Sierra Leone before the construction of a hydroelectric dam
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New records of bats and terrestrial small mammals from the Seli River in Sierra Leone before the construction of a hydroelectric dam

机译：塞拉利昂塞利河上的蝙蝠和陆生小型哺乳动物在建造水力发电大坝之前的新记录

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Sierra Leone is situated at the western edge of the Upper Guinean Forests in West Africa, a recognised biodiversity hotspot which is increasingly threatened by habitat degradation and loss through anthropogenic impacts. The small mammal fauna of Sierra Leone is poorly documented, although bats and rodents account for the majority of mammalian diversity. Based on morphological, genetic and echolocation data, we recorded 30 bat (Chiroptera), three shrew (Soricomorpha) and eleven rodent (Rodentia) species at the Seli River in the north of the country in 2014 and 2016, during a baseline study for the Bumbuna Phase II hydroelectric project. In 2016, 15 bat species were additionally documented at the western fringe of the Loma Mountains, a recently established national park and biodiversity offset for the Bumbuna Phase I dam. Three bat species were recorded for the first time in Sierra Leone, raising the total number for the country to 61. Further, two bat species are threatened and endemic to the Upper Guinean Forest and several taxa of small mammals are poorly known or represent undescribed species. Overall, the habitats of the project area supported a species-rich small mammal fauna including species of global conservation concern. Suitable mitigation measures and/or offsets are necessary to maintain biodiversity and ecosystems in a region that is under high human pressure.
机译：塞拉利昂位于西非上几内亚森林的西部边缘，这是一个公认的生物多样性热点，其栖息地退化和人为影响造成的损失日益受到威胁。尽管蝙蝠和啮齿类动物占哺乳动物多样性的大部分，但塞拉利昂的小型哺乳动物动物群的文献资料很少。根据形态，遗传和回声定位数据，我们在2014年和2016年对该国北部的Seli河上记录了30种蝙蝠（Chiroptera），3种sh（Soricomorpha）和11种啮齿类（Rodentia）物种。 Bumbuna二期水电项目。 2016年，在洛马山脉西部边缘，新近建立的国家公园和Bumbuna一期大坝的生物多样性补偿中，还记录了15种蝙蝠物种。塞拉利昂首次记录了三种蝙蝠物种，使该国的总数增加到61。此外，有两种蝙蝠物种受到威胁，是几内亚上森林的特有种，几种小型哺乳动物的分类群鲜为人知或代表未描述物种。总体而言，项目区的栖息地为物种丰富的小型哺乳动物提供了支持，其中包括全球关注的物种。为了在人类高压下的地区维持生物多样性和生态系统，必须采取适当的缓解措施和/或补偿措施。

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