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Influence of banana plantations on bat assemblages (Chiroptera)
Austral Ecology ( IF 1.5 ) Pub Date : 2020-12-18 , DOI: 10.1111/aec.12989
Júlia Lins Luz 1 , Luciana de Moraes Costa 1 , Carlos Eduardo Lustosa Esbérard 1
Affiliation  

Landscape modification for agriculture is the most severe and common threat to global diversity. Considering that part of the native biota may also live in plantations, it is important to investigate how human‐altered habitats can be incorporated into conservation strategies. We analysed how banana plantations affect bat assemblages. We selected 12 pair of sites in the state of Rio de Janeiro, Brazil, each one consisting of a banana plantation and a forest fragment adjacent to this. From November 2008 to October 2010, we carried out monthly sampling for two nights: one in the banana plantation and the other in the adjacent forest fragment, summing up 48 sampling nights. Bats were captured with mist nets. We analyse 2369 captures and recaptures of 27 bat species. Banana plantations did not affect species richness but did affect community structure. Frugivorous, nectarivorous and omnivorous bats were significantly more abundant in banana plantations. The ability of banana plantations to harbour bat diversity depends directly on the amount of forest cover surrounding it. Bat abundance was affected by banana plantations on a local scale while bat richness responds to forest cover on a broader scale. Forest fragments may satisfy requirements related to roosting habitat and permit continued occupancy if the surrounding deforested matrix provides adequate food resources. Banana plantations may enhance the availability of habitat across the landscape facilitating individual movements and appears to be compatible with the conservation of bat diversity. However, it is important to note that banana plantations are not efficient to house some species susceptible to fragmentation. This study provides evidence that banana plantation can be managed in an ecologically sustainable way and that significant biodiversity conservation efforts can occur outside national parks and nature reserves.

中文翻译:

香蕉种植园对蝙蝠组合(鳞翅目)的影响

农业的景观改造是对全球多样性的最严重和最普遍的威胁。考虑到部分本地生物群也可能生活在人工林中,因此重要的是研究如何将人类改变的栖息地纳入保护策略。我们分析了香蕉种植园如何影响蝙蝠组合。我们在巴西里约热内卢州选择了12个场所,每个场所都由一个香蕉种植园和一个与之相邻的森林碎片组成。从2008年11月到2010年10月,我们每月进行两个晚上的采样:一个晚上在香蕉种植园中,另一个在相邻的森林碎片中,总共采样了48个晚上。蝙蝠被薄雾网捕获。我们分析了27种蝙蝠的2369次捕获和捕获。香蕉种植园不会影响物种丰富度,但会影响社区结构。在香蕉种植园中,食肉,食肉和杂食性蝙蝠的数量明显更多。香蕉种植园具有蝙蝠多样性的能力直接取决于其周围的森林覆盖量。蝙蝠的丰度在当地范围内受到香蕉种植园的影响,而蝙蝠的丰富度则对更广泛的森林覆盖率做出反应。如果周围的森林砍伐矩阵提供了充足的粮食资源,森林碎片可能满足与栖息地栖息相关的要求,并允许其继续占用。香蕉种植园可以提高整个景观的栖息地便利性,促进个体活动,并且似乎与蝙蝠多样性的保护兼容。但是,重要的是要注意,香蕉种植​​园无法有效地容纳一些容易破碎的物种。
更新日期:2020-12-18
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