Article
Shifting barriers and phenotypic diversification by hybridisation.
Ecology letters - 1 May 2017
Sefc Kristina M, Mattersdorfer Karin, Ziegelbecker Angelika, Neuhüttler Nina, Steiner Oliver, Goessler Walter, Koblmüller Stephan
Abstract excerpt
The establishment of hybrid taxa relies on reproductive isolation from the parental forms, typically achieved by ecological differentiation. Here, we present an alternative mechanism, in which shifts in the strength and location of dispersal barriers facilitate diversification by hybridisation. Our case study concerns the highly diverse, stenotopic rock-dwelling cichlids of the African Great Lakes, many of which...
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