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Fish passage ladders from Canoas Complex - Paranapanema River: evaluation of genetic structure maintenance of Salminus brasiliensis (Teleostei: Characiformes)
Provedor de dados: 83
Autores: Lopes,Carla Martins; Almeida,Fernanda Simões de; Orsi,Mário Luís; Britto,Sandro Geraldo de Castro; Sirol,Rodolfo Nardez; Sodré,Leda Maria Koelblinger.
The aim of this study, utilizing RAPD techniques, was to determine the genetic variability of Salminus brasiliensis groups collected at passage ladders of the hydroelectric plants (HEP) Canoas I and Canoas II - Paranapanema River (Brazil), as well as to estimate the population structure through different parameters of genetic diversity. The data obtained allowed us to conclude that S. brasiliensis of the Canoas Complex has a moderate index of genetic variability ( &gt; 42.00%) when compared to that of other migratory fish species. All genetic diversity analyses (distance = 0.015 and genetic identity = 0.985, F ST =0.018, AMOVA) were signs of low genetic differentiation, and they led to the clustering of S. brasiliensis from Canoas I and Canoas II. This...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Fish transposition; Geneticdiversity; RAPD.
Ano: 2007
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252007000200006