Travelling in time with networks: Revealing present day hybridization versus ancestral polymorphism between two species of brown algae, Fucus vesiculosus and F. spiralis |
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| Authors: | Yann Moalic Sophie Arnaud-Haond Cécile Perrin Gareth A Pearson Ester A Serrao |
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| Affiliation: | (1) centre de Brest, IFREMER, Institut Fran?ais de Recherche pour l’Exploitation de la Mer, BP70, 29280 Plouzan?, France;(2) CCMAR, CIMAR, University of Algarve, Gambelas, 8005-139, Faro, Portugal |
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| Abstract: | Background Hybridization or divergence between sympatric sister species provides a natural laboratory to study speciation processes. The shared polymorphism in sister species may either be ancestral or derive from hybridization, and the accuracy of analytic methods used thus far to derive convincing evidence for the occurrence of present day hybridization is largely debated. |
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