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Open Access Research article

Fine-scale genetic breaks driven by historical range dynamics and ongoing density-barrier effects in the estuarine seaweed Fucus ceranoides L.

João Neiva12*, Gareth A Pearson1, Myriam Valero2 and Ester A Serrão1

Author Affiliations

1 Centro de Ciências do Mar, Centro de Investigação Marinha e Ambiental - Laboratório Associado, Universidade do Algarve, Gambelas, Faro, 8005-139, Portugal

2 Unité Mixte de Recherche 7144, Centre National de la Recherche Scientifique/Université Pierre et Marie Curie, Station Biologique de Roscoff, Place Georges-Teissier, BP 74, Roscoff Cedex, 29682, France

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BMC Evolutionary Biology 2012, 12:78  doi:10.1186/1471-2148-12-78

Published: 6 June 2012

Additional files

Additional file 1:

Figure S1. Genetic diversity and differentiation of populations of Fucus ceranoides within W, NW and N sectors. (a) Haplotype diversity (Hhap) at population (box-plots) and sector (stars) levels. (b) Nei’s gene diversity (HE) at population (box-plots) and sector (stars) levels. (c) Box-plot of pairwise differentiation of populations (Dest) within regions. Box-plots depict the median (horizontal line) and the 25th and 75th percentiles (bottom and top of the box).

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Additional file 2:

Table S1. Estimates of pairwise differentiation between the 26 populations of Fucus ceranoides. FST (θ) values are given above diagonal and Jost’s Dest below diagonal. Non-significant FST values (1000 permutations) are depicted in bold. Population codes are given in Table 1.

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Additional file 3:

Figure S2.Most probable number of genetic clusters of Iberian Fucus ceranoides according to STRUCTURE. Five iterations were run for each number of genetic clusters assumed (K). The most probable K (open symbols) were inferred with Pritchard et al. (2000; left axis) and Evanno et al. (2005; right axis) choice criteria.

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