Title |
Strong population genetic structuring in an annual fish, Nothobranchius furzeri, suggests multiple savannah refugia in southern Mozambique
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Published in |
BMC Ecology and Evolution, September 2013
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DOI | 10.1186/1471-2148-13-196 |
Pubmed ID | |
Authors |
Veronika Bartáková, Martin Reichard, Karel Janko, Matej Polačik, Radim Blažek, Kathrin Reichwald, Alessandro Cellerino, Josef Bryja |
Abstract |
Intraspecific genetic variation of African fauna has been significantly affected by pronounced climatic fluctuations in Plio-Pleistocene, but, with the exception of large mammals, very limited empirical data on diversity of natural populations are available for savanna-dwelling animals. Nothobranchius furzeri is an annual fish from south-eastern Africa, inhabiting discrete temporary savannah pools outside main river alluvia. Their dispersal is limited and population processes affecting its genetic structure are likely a combination of those affecting terrestrial and aquatic taxa. N. furzeri is a model taxon in ageing research and several populations of known geographical origin are used in laboratory studies. Here, we analysed the genetic structure, diversity, historical demography and temporal patterns of divergence in natural populations of N. furzeri across its entire distribution range. |
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