- Data from: Phylogeography of amphi-boreal fish: tracing the history of the Pacific herring Clupea pallasii in North-East European seas(2013-05-22) Laakkonen, Hanna M.; Lajus, Dmitry L.; Strelkov, Petr; Väinölä, Risto; University of Helsinki - Laakkonen, Hanna M.; Saint Petersburg State University - Lajus, Dmitry L.; Saint Petersburg State University - Strelkov, Petr; University of Helsinki - Väinölä, Risto