Conservation genetics of harbour porpoises, Phocoena phocoena, in eastern and central North Atlantic

LW Andersen, DE Ruzzante, Michael John Walton, P Berggren, A Bjorge, CH Lockyer

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43 Citations (Scopus)

Abstract

We examined polymorphism at 12 microsatelliteloci in 807 harbour porpoises , Phocoenaphocoena, collected from throughout thecentral and eastern North Atlantic to theBaltic Sea. Multilocus tests for allelefrequency differences, assignment tests,population structure estimates (FST) andgenetic distance measures (DLR andDC) all indicate six geneticallydifferentiated populations/sub-populationsafter pooling sub-samples within regions.Harbour porpoises from West Greenland, theNorwegian Westcoast, Ireland, the British NorthSea, the Danish North Sea and the inland watersof Denmark (IDW) are all geneticallydistinguishable from each other. A sample ofharbour porpoises collected off the Dutch coast(mainly during winter) was geneticallyheterogeneous and likely comprised a mixture ofindividuals of diverse origin. A mixed stockanalysis indicated that most of the individualsin this sample (∼77%) were likely migrantsfrom the British and Danish North Sea.
Original languageEnglish
Pages (from-to)309-324
JournalConservation Genetics
Volume2
Issue number4
DOIs
Publication statusPublished - 2001

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