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Size and MEP-2* variation in juvenile Atlantic salmon (Salmo salar) in the River North Esk, Scotland

Published online by Cambridge University Press:  15 July 1999

John Gilbey ,
Eric Verspoor  and
David Summers
John Gilbey
Affiliation:
FRS Marine Laboratory, PO Box 101, Aberdeen AB11 9DB, UK
Eric Verspoor
Affiliation:
FRS Marine Laboratory, PO Box 101, Aberdeen AB11 9DB, UK
David Summers
Affiliation:
The Game Conservancy Trust, Fordingbridge, Hampshire SP6 1EF, UK
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Abstract

The relationship of size to MEP-2* genotype was investigated in 0+ juvenile Atlantic salmon (Salmo salar) in the River North Esk, Scotland. Significant temperature-associated MEP-2* heterogeneity was observed among tributaries and, in the two tributaries studied, size and MEP-2* genotype were significantly associated. No size association, or heterogeneity among tributaries, was found for the other allozyme polymorphisms screened. The results suggest that the association between size and MEP-2* variation, noted by others, is likely to be widespread in wild populations, and potentially linked to habitat temperature.

Keywords

Atlantic salmonSalmo salarmalic enzymeMEP-2* genotypegrowth
Type
Research Article
Information
Aquatic Living Resources , Volume 12 , Issue 4 , July 1999 , pp. 295 - 299
Copyright
© Elsevier, IRD, Inra, Ifremer, Cemagref, CNRS, 1999

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