The problem of sampling families rather than populations: Relatedness among individuals in samples of juvenile brown trout Salmo trutta L

Michael Møller Hansen, Einar Eg Nielsen, Karen-Lise Dons Mensberg

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

In species exhibiting a nonrandom distribution of closely related individuals, sampling of a few families may lead to biased estimates of allele frequencies in populations. This problem was studied in two brown trout populations, based on analysis of mtDNA and microsatellites. In both samples mtDNA haplotype frequencies differed significantly between age classes, and in one sample 17 out of 18 individuals less than 1 year of age shared one particular mtDNA haplotype. Estimates of relatedness showed that these individuals most likely represented only three full-sib families. Older trout exhibiting the same haplotypes generally were not closely related.
Original languageEnglish
JournalMolecular Ecology
Volume6
Issue number5
Pages (from-to)469-474
ISSN0962-1083
Publication statusPublished - 1997

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