species history masks the effects of human-induced range loss – unexpected genetic diversity in the endangered giant mayfly palingenia longicauda物种历史面具人为的影响范围的损失u2014u2014意想不到的遗传多样性在濒危巨头蜉蝣palingenia longicauda.pdfVIP

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species history masks the effects of human-induced range loss – unexpected genetic diversity in the endangered giant mayfly palingenia longicauda物种历史面具人为的影响范围的损失u2014u2014意想不到的遗传多样性在濒危巨头蜉蝣palingenia longicauda.pdf

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species history masks the effects of human-induced range loss – unexpected genetic diversity in the endangered giant mayfly palingenia longicauda物种历史面具人为的影响范围的损失u2014u2014意想不到的遗传多样性在濒危巨头蜉蝣palingenia longicauda

Species History Masks the Effects of Human-Induced Range Loss – Unexpected Genetic Diversity in the Endangered Giant Mayfly Palingenia longicauda ´ ´ 1,2 ´ ´ ´ 3,4 1,5 1,5 ´ ´ 6 ´ ´ ´ 4 Miklos Balint *, Kristof Malnas , Carsten Nowak , Jutta Geismar , Eva Vancsa , Laszlo Polyak , Szabolcs Lengyel4, Peter Haase1,5 1 Biodiversity and Climate Research Centre, Frankfurt am Main, Germany, 2 Molecular Biology Center, Babes¸-Bolyai University, Cluj, Romania, 3 BioAqua Pro Kft., Debrecen, Hungary, 4 Department of Ecology, University of Debrecen, Debrecen, Hungary, 5 Department of River Ecology and Conservation, Senckenberg Research Institute and Natural History Museum, Frankfurt am Main, Germany, 6 Department of Taxonomy and Ecology, Babes¸-Bolyai University, Cluj, Romania Abstract Freshwater biodiversity has declined dramatically in Europe in recent decades. Because of massive habitat pollution and morphological degradation of water bodies, many once widespread species persist in small fractions of their original range. These range contractions are generally believed to be accompanied by loss of intraspecific genetic diversity, due to the reduction of effective population sizes and the extinction of regional genetic lineages. We aimed to assess the loss of genetic diversity and its significance for future potential reintroduction of the long-tailed mayfly Palingenia longicauda (Olivier), which experienced approximately 98% range loss during the past century. Analysis of 936 bp of mitochondrial DNA of 245 extant specimens across the current range revealed a surprisingly large number of haplotypes (87), and a high level of haplotype diversity (Hd ~0:875). In contrast, historic spec