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Museum DNA reveals the demographic history of the endangered Seychelles warbler

Spurgin, L. G., Wright, D. J., van der Velde, M., Collar, N. J., Komdeur, J., Burke, T. & Richardson, D. S., Nov-2014, In : Evolutionary Applications. 7, 9, p. 1134-1143 10 p.

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The importance of evolutionary conservation - how understanding evolutionary forces can help guide conservation decisions - is widely recognized. However, the historical demography of many endangered species is unknown, despite the fact that this can have important implications for contemporary ecological processes and for extinction risk. Here, we reconstruct the population history of the Seychelles warbler (Acrocephalus sechellensis) - an ecological model species. By the 1960s, this species was on the brink of extinction, but its previous history is unknown. We used DNA samples from contemporary and museum specimens spanning 140years to reconstruct bottleneck history. We found a 25% reduction in genetic diversity between museum and contemporary populations, and strong genetic structure. Simulations indicate that the Seychelles warbler was bottlenecked from a large population, with an ancestral N-e of several thousands falling to

Original languageEnglish
Pages (from-to)1134-1143
Number of pages10
JournalEvolutionary Applications
Volume7
Issue number9
Publication statusPublished - Nov-2014

    Keywords

  • Acrocephalus sechellensis, approximate Bayesian computation, bird, bottleneck, island, microsatellite, APPROXIMATE BAYESIAN COMPUTATION, ALLELE FREQUENCY DATA, GENETIC DIVERSITY, ANCIENT DNA, POPULATION-STRUCTURE, COMPUTER-PROGRAM, EVOLUTIONARY CONSEQUENCES, ACROCEPHALUS-SECHELLENSIS, MICROSATELLITE LOCI, COUSIN ISLAND
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  1. Data from: Museum DNA reveals the demographic history of the endangered Seychelles warbler

    Spurgin, L. (Creator), Wright, D. J. (Creator), Velde, van der, M. (Creator), Collar, N. J. (Creator), Komdeur, J. (Creator), Burke, T. (Creator), Richardson, D. S. (Creator), University of Groningen, 8-Jul-2014

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