Article
A broad transition zone between an inner Baltic hybrid swarm and a pure North Sea subspecies of Macoma balthica (Mollusca, Bivalvia).
Molecular ecology - 1 Mar 2008
Nikula Raisa, Strelkov Petr, Väinölä Risto
Abstract excerpt
The populations of the bivalve clam Macoma balthica in the low-salinity Northern Baltic Sea represent an admixture of two strongly diverged genomic origins, the Pacific Macoma balthica balthica (approx. 60% genomic contribution) and Atlantic Macoma balthica rubra (40%). Using allozyme and mtDNA characters, we describe the broad transition from this hybrid swarm to the pure M. b. rubra in the saline North Sea...
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