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Article

Nonallopatric and parallel origin of local reproductive barriers between two snail ecotypes.

Molecular ecology - 1 Nov 2004

Rolán-Alvarez Emilio, Carballo Monica, Galindo Juan, Morán Paloma, Fernández Blanca, Caballero Armando, Cruz Raquel, Boulding Elizabeth G, Johannesson Kerstin

Abstract excerpt

Theory suggests that speciation is possible without physical isolation of populations (hereafter, nonallopatric speciation), but recent nonallopatric models need the support of irrefutable empirical examples. We collected snails (Littorina saxatilis) from three areas on the NW coast of Spain to investigate the population genetic structure of two ecotypes. Earlier studies suggest that these ecotypes may represent...

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PMID: 15488000
DOI: 10.1111/j.1365-294X.2004.02330.x

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