Habitat Use, Roost Selection and Conservation of Bats in Tsingy De Bemaraha National Park, Madagascar
Habitat Use, Roost Selection and Conservation of Bats in Tsingy De Bemaraha National Park, Madagascar
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马达加斯加 Tsingy De Bemaraha 国家公园蝙蝠的栖息地利用、栖息地选择和保护
DOI：
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发表时间：
2007
影响因子：
3.4
通讯作者：
R. Jenkins
中科院分区：
文献类型：
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作者：
A. Kofoky;Daudet Andriafidison;F. Ratrimomanarivo;H. J. Razafimanahaka;D. Rakotondravony;P. Racey;R. Jenkins
尽管马达加斯加的陆地哺乳动物一直是许多研究的对象，但岛上的蝙蝠尚未在研究或保护议程上占据突出地位。在这项研究中，我们使用雾网、声学采样和洞穴调查来评估栖息地的利用、季节性和栖息地选择。4种小翼目动物（Triaenops rufus， T. furculus， Miniopterus manavi和Myotis goudoti）似乎与森林内部密切相关，但对时间扩展回声定位记录的分析显示，T. rufus和M. M. manavi经常记录在森林边缘和林间林间。森林内的蝙蝠活动明显低于农田与森林交界面的蝙蝠活动。游客最常光顾的洞穴蝙蝠数量和物种丰富度都较低。Anjohikinakina洞穴很少有人光顾，有5种蝙蝠使用，16个洞穴中有54%（冬季）和99%（夏季）的蝙蝠，是国家蝙蝠保护的重要地点。在我们的研究区域，仅在10月份捕到希波希德罗，可能是迁徙到该地点的，也可能是在南方冬季不活动的。因此，洞穴周围的森林很重要，因为它为新出现的蝙蝠提供了掩护，也是无脊椎动物猎物的潜在来源，而森林边缘对觅食的蝙蝠很重要。
Although the land mammals of Madagascar have been the subject of many studies, the island’s bats have yet to feature prominently on the research or conservation agenda. In this study we used mist nets, acoustic sampling and cave surveys to assess habitat use, seasonality and roost selection. Four microchiropteran species (Triaenops rufus, T. furculus, Miniopterus manavi and Myotis goudoti) appeared to be strongly associated with the forest interior based on trapping, but analysis of time-expanded echolocation recordings revealed that T. rufus and M.␣manavi were frequently recorded in forest edges and clearings. Bat activity was significantly lower inside the forest than at the interface between agricultural land and forest. The caves visited most often by tourists were low in bat abundance and species richness. Anjohikinakina Cave, which was visited infrequently by people, was used by five species and contained between 54% (winter) and 99% (summer) of bats counted in 16 caves and is a site of national importance for bat conservation. Hipposideros commersoni was only netted in our study area during October and may be a migrant to the site or present but inactive during the austral winter. The forest surrounding the caves is therefore important because it provides cover for emerging bats and a potential source of invertebrate prey whilst the forest edge is important to foraging bats.