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Is fish passage technology saving fish resources in the lower La Plata River basin? Neotropical Ichthyology
Oldani,Norberto Oscar; Baigún,Claudio Rafael Mariano; Nestler,John Michael; Goodwin,Richard Andrew.
Over 450 dams have been constructed in the upper Paraná River basin in Brazil during the past 40 years. River regulation by these dams is considered a primary factor in the reduction of fish diversity and depletion of migratory species. In contrast to the upper Paraná Basin, only two large dams (both with upstream fish passage) have been constructed in the lower La Plata River basin. Fishery managers in the lower basin are concerned that existing and planned dams will further deplete populations of migratory fish species that constitute important recreational and commercial fisheries as has occurred in the upper basin. We assessed the sustainability of fisheries in the lower basin in the face of increased river regulation by using literature information to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Non salmonid species; Migratory fish; Yacyreta Dam; Salto Grande Dam.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252007000200002
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