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Genetic and morphometric differences between yellowtail snapper (Ocyurus chrysurus, Lutjanidae) populations of the tropical West Atlantic
Provedor de dados: 74
Autores: Vasconcellos,Anderson V.; Vianna,Paulo; Paiva,Paulo C.; Schama,Renata; Solé-Cava,Antonio.
Populations of Ocyurus chrysurus were compared genetically and morphometrically along the West Atlantic coast to test the null hypothesis of population homogeneity in the area. Brazilian populations were found to be differentiated in shape (canonical variates analysis; F[48,515] = 10.84, p &lt; 0.0001). Analyses of mitochondrial DNA sequences (663 bp of the control region) did not show any differences between Brazilian populations but could detect differences between Brazilian and Caribbean (Belize) populations. The samples from Pernambuco differed significantly from the other Brazilian populations in allozyme frequencies (11 loci; F ST = 0.167; p &lt; 0.05), but this may have resulted from the small number of samples analysed for that population. Sequence...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: MtDNA; Allozymes; Morphometry; Fisheries; Phylogeography.
Ano: 2008
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572008000200026