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Ronny Weigelt

Population genetics and ecological investigations of the common shipworm Teredo navalis Linnaeus, 1758 in European waters

Universität Rostock, 2018

Abstract: The thesis investigated changes in the species spectrum of shipworms in the southern Baltic Sea since 1993 and a possible range expansion. Using DNA barcoding, molecular-taxonomic evidence has been obtained that the species Teredo navalis is present in the Baltic Sea and no sister species exists. Since no genetically differentiated populations could be identified, a panmictic population can be assumed for Central Europe. Compared to earlier investigations, no spread of T. navalis to the east and thus to areas of the Baltic Sea with lower salinity could be detected.

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