Environmental Biology of Fishes

, Volume 74, Issue 3–4, pp 323–334 | Cite as

Reproductive Strategies Explain Genetic Diversity in Atlantic Salmon, Salmo salar

  • America G. Valiente
  • Francis Juanes
  • Eva Garcia-Vazquez


We investigated the relationship between conservation status and genetic variability in European and North American Atlantic salmon, Salmo salar, populations, many of which have suffered severe bottlenecks. A negative north--south cline exists for the status of population conservation in this species. A literature review of genetic variability and demographic parameters of wild Atlantic salmon populations resulted in no statistical associations between population conservation status and genetic variation at enzyme or VNTR loci. We found however, a negative relationship between male parr maturation rates and geographical latitude for both American and European populations. The increase in effective population size due to participation by mature male parr and the increased proportions of these males in smaller (southern) populations could explain the lack of expected relationship between genetic variation and conservation status.


genetic variation latitude population conservation breeding 


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Copyright information

© Springer 2005

Authors and Affiliations

  • America G. Valiente
    • 1
  • Francis Juanes
    • 2
  • Eva Garcia-Vazquez
    • 1
    • 2
  1. 1.Departamento de Biologia FuncionalUniversidad de OviedoOviedoSpain
  2. 2.Department of Natural Resources ConservationUniversity of MassachusettsAmherstUSA

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