Isolated populations of Eurytemora americana Williams (Crustacea, Copepoda) in the White Sea rock pools—postglacial relicts or anthropogenic invasions?


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Аннотация

Molecular-genetic study of isolated populations of Eurytemora in the White Sea showed its undoubted proximity to the native North American populations of Eurytemora americana, Williams 1906. Genetic tests show the recent colonization of the White Sea rock pools by initially small amount of individuals of E. americana. Existing published data on the presence of isolated Atlantic and Pacific species in the Arctic region are mostly explained by historical reasons: preservation of relict populations formerly inhabited the Holarctic and separated by processes of formation and melting of glaciers. Finding of E. americana in the White Sea allowed us to suppose a possible reason of formation of these isolates: transportation with ship ballast waters during the period of intensive cargo in the Second World War along the edge of the Arctic seas.

Авторлар туралы

N. Sukhikh

Zoological Institute

Хат алмасуға жауапты Автор.
Email: Susikh1@mail.ru
Ресей, Saint Petersburg, 199034

V. Castric

Lille 1 University

Email: Susikh1@mail.ru
Франция, Villeneuve d’Ascq cedex, F 59655

N. Polyakova

Saint Petersburg State University

Email: Susikh1@mail.ru
Ресей, Saint Petersburg, 199034

S. Souissi

Lille University

Email: Susikh1@mail.ru
Франция, Wimereux, F 62930

V. Alekseev

Zoological Institute

Email: Susikh1@mail.ru
Ресей, Saint Petersburg, 199034

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