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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/489
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dc.contributor.authorLemes, Elis Mara-
dc.contributor.authorGarutti, Valdener-
dc.date.accessioned2014-05-20T13:12:32Z-
dc.date.available2014-05-20T13:12:32Z-
dc.date.issued2002-09-01-
dc.identifierhttp://dx.doi.org/10.1590/S0073-47212002000300007-
dc.identifier.citationIheringia. Série Zoologia. Fundação Zoobotânica do Rio Grande do Sul, v. 92, n. 3, p. 69-78, 2002.-
dc.identifier.issn0073-4721-
dc.identifier.urihttp://hdl.handle.net/11449/489-
dc.description.abstractEcological studies were conducted in the ichthyofauna of Cedro, a small headwater stream located in a degraded area of State of São Paulo, Brazil, situated in the upper Paraná River basin. These are the results of two non-consecutive years observations and collections in two biotopes of that stream: a pool and a rapid. The ecological characteristics studied change in space and time. The present richness of species is high (21 species), nine of which are constant, six accessory and six accidental. The diversity is low (0.69 to 2.38), and the numeric predominance, from one to three species, occurred in both biotopes. The most frequent species are Poecilia reticulata (Peters, 1859) (28.1%), Corydoras cf. aeneus (Gill, 1858) (20.3%) and Hypostomus cf. ancistroides (Ihering, 1911) (19.8%). The density ranges from 0.7 to 19.8 specimens/m³. The similarity index indicates high similarity between the ichthyofauna (45.0% to 95.0%) inside the same or contiguous biotopes. The evenness (0.46 to 1.0) is comparable to those found in similar studies carried out in other streams.en
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
dc.format.extent69-78-
dc.language.isopor-
dc.publisherFundação Zoobotânica do Rio Grande do Sul-
dc.sourceSciELO-
dc.subjectIchthyofaunaen
dc.subjectupper Paraná Riveren
dc.subjectbiotopesen
dc.subjectecological indexen
dc.titleEcologia da ictiofauna de um córrego de cabeceira da bacia do alto rio Paraná, Brasilpt
dc.title.alternativeEcology of the ichthyofauna of a headwater stream of the upper Paraná River basin, Brazilen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUniversidade Estadual Paulista Centro de Aqüicultura-
dc.description.affiliationCNPq-
dc.description.affiliationUnespUniversidade Estadual Paulista Centro de Aqüicultura-
dc.identifier.doi10.1590/S0073-47212002000300007-
dc.identifier.scieloS0073-47212002000300007-
dc.rights.accessRightsAcesso aberto-
dc.identifier.fileS0073-47212002000300007.pdf-
dc.relation.ispartofIheringia: Série Zoologia-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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