Habitats de desova de peixes migradores no trecho a jusante das Cataratas do Iguaçu, Parque Nacional do Iguaçu
Due to fragmentation of the middle Paraná River by the dam and the Itaipu Yacyretá , the conservation of fish species that perform reproductive migration depends on the successful search for alternative routes for reproduction . Thus, this study sought to determine whether the stretch of the Iguazu...
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| Tipo de recurso: | tesis de maestría |
| Estado: | Versión publicada |
| Fecha de publicación: | 2013 |
| País: | Brasil |
| Institución: | Universidade Estadual do Oeste do Paraná (UNIOESTE) |
| Repositorio: | Biblioteca Digital de Teses e Dissertações do UNIOESTE |
| Idioma: | portugués |
| OAI Identifier: | oai:tede.unioeste.br:tede/687 |
| Acceso en línea: | http://tede.unioeste.br:8080/tede/handle/tede/687 |
| Access Level: | acceso abierto |
| Palabra clave: | Peixes migradores Reprodução Rio Iguaçu Cataratas do Iguaçu Migratory fish Reproduction Iguaçu river Iguaçu falls CNPQ::CIENCIAS BIOLOGICAS |
| Sumario: | Due to fragmentation of the middle Paraná River by the dam and the Itaipu Yacyretá , the conservation of fish species that perform reproductive migration depends on the successful search for alternative routes for reproduction . Thus, this study sought to determine whether the stretch of the Iguazu River between Iguazu Falls and its mouth , located downstream of Itaipu is being used with play area and these species also describe the characteristics of these habitats . The results showed that the reproduction of seven species of migratory fish , vulpinus Raphiodon , Prochilodus lineatus , Salminus brasiliensis , Leporinus elongatus , Pimelodus ornatus maculatus Pimelodus and corruscans Pseudoplatystoma occurs in the studied mainly in habitats located within the Iguazu National Park that have favorable characteristics for spawning and transport of eggs and larvae , as high concentrations of dissolved oxygen , rapids and currents , wide riparian vegetation and substrates that provide good conditions under |
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