Evolution of subterranean ground beetles in the West Palearctic
Evolution of subterranean ground beetles in the West Palearctic
批准号:
212165124
负责人:
Dr. Michael Balke
金额:
$0.0万
依托单位:
依托单位国家:
德国
项目类别:
Research Grants
财政年份:
2011
资助国家:
德国
项目状态:
已结题
起止时间:
2010-12-31 至 2012-12-31
中文摘要
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英文摘要
Cave animals early fascinated evolutionists, and separation and isolation in caves lead to levels of speciation comparable to those in insular ecosystems. Cave species usually share characteristics such as anophthalmy, elongation of appendages, depigmentation or -in many insects- apterism. Such highly modified morphology often masks phylogenetic affinities. Evolutionary history and speciation mechanisms responsible forextant patterns of subterranean biodiversity are therefore impossible to elucidate solely based on morphological characters. We use a group of Carabidae beetles (Trechini) to study speciation patterns and evolution In the subterranean environment, and the morphological modifications resulting from them. Trechini cave beetles belong to one ofthe most speciose radiations of subterranean fauna ofthe world and include some ofthe morphologically most modified troglobitic invertebrates. We now focus on the Alps and other karst massives of continental west Europe, where the group is particularly well represented. We combine molecular and morphological approaches, in order to place the highly modified troglobitic genera of Trechini in a comprehensive phylogeny, compare subterranean evolution with the well documented Pyrenean radiations and enlight causes and modalities of subterranean evolution in terrestrial invertebrates.
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财政年份:--
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依托单位:
海外基金