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Population structure of long‐finned pilot whales in the North Atlantic: a correlation with sea surface temperature? by K. J. Fullard; G. Early; M. P. Heide‐Jørgensen; D. Bloch; A. Rosing‐Asvid; W. Amos is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.
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## Abstract The long‐finned pilot whale, __Globicephala melas__, is a social, pelagic odontocete distributed widely in the cold temperate waters of the North Atlantic. Despite genetic, morphometric, physiological and observational studies, it remains unclear whether any population substructure exists. We have used eight highly polymorphic microsatellite loci to analyse samples from four disparate sampling sites: USA East Coast (Cape Cod), West Greenland, the Faeroe Islands and the UK. Our results indicate that substructure does exist, and is particularly pronounced between West Greenland and other sites. The magnitudes of the various pairwise comparisons do not support a simple isolation‐by‐distance model. Instead, the patterns of genetic differentiation suggest that population isolation occurs between areas of the ocean which differ in sea surface temperature. Such a mechanism is supported by the observation that temperature is a primary factor determining the relative distributions of two short‐finned pilot whale (__G. macrorhynchus__) populations off the Pacific coast of Japan.
Who reads Population structure of long‐finned pilot whales in the North Atlantic: a correlation with sea surface temperature??
It is typically read by researchers, students, and practitioners in Biochemistry, Genetics and Molecular Biology.
- Author
- K. J. Fullard; G. Early; M. P. Heide‐Jørgensen; D. Bloch; A. Rosing‐Asvid; W. Amos
- Publisher
- John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley; Research Square (ISSN 0962-1083)
- Published
- 2000
- Language
- EN
- Field
- Biochemistry, Genetics and Molecular Biology (Life Sciences)