Selection of an experimental fish ladder located at the dam of the Itaipu Binacional, Paraná River, Brazil

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dc.creatorFernandez, Domingo Rodriguez
dc.creatorAgostinho, Angelo Antônio
dc.creatorBini, Luis Mauricio
dc.date.accessioned2017-05-04T12:17:50Z
dc.date.available2017-05-04T12:17:50Z
dc.date.issued2004-08
dc.description.resumoThe specific selection of a weir and orifice type experimental fish ladder in the dam of the Itaipu Reservoir (Paraná River) was evaluated by samplings in the river downstream and at two points along the ladder (at heights of 10 m and 27 m) during 28 months. Among the 65 species recorded in the river (immediate downstream of the dam), 27 were captured on the ladder. The species that showed highest density on the ladder, the majority migratory, were moderately, or only slightly, abundant downstream. Among the most abundant species downstream, only one, nonmigratory, was recorded in the ladder. The structure presented a negative selection in relation to large migratory pimelodids that might be overcome by enlarging the scale of its design. The sampling demonstrated a moderate selection of species along the ladder and its hydraulic model proved satisfactory regarding the attraction and efficient ascent of the fishes.pt_BR
dc.identifier.citationFERNANDEZ, Domingo Rodriguez; AGOSTINHO, Angelo Antônio; BINI, Luis Mauricio. Selection of an experimental fish ladder located at the dam of the Itaipu Binacional, Paraná River, Brazil. Arquivos de Biologia e Tecnologia, Curitiba, v. 47, n. 4, p. 579-586, Aug. 2004.pt_BR
dc.identifier.doi10.1590/S1516-89132004000400012
dc.identifier.issne- 1678-4324
dc.identifier.urihttp://repositorio.bc.ufg.br/handle/ri/11847
dc.language.isoengpt_BR
dc.publisherInstituto de Tecnologia do Paraná - Tecparpt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.departmentInstituto de Ciências Biológicas - ICB (RG)pt_BR
dc.rightsAcesso Abertopt_BR
dc.subjectFish ladderpt_BR
dc.subjectFish migrationpt_BR
dc.subjectSelectivitypt_BR
dc.subjectFish transpositionpt_BR
dc.subjectReservoirpt_BR
dc.titleSelection of an experimental fish ladder located at the dam of the Itaipu Binacional, Paraná River, Brazilpt_BR
dc.typeArtigopt_BR

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