Environmental factors predicting fish community structure in two neotropical rivers in Brazil

Yzel Rondon Súarez; Miguel Petrere Júnior

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(Reference retrieved automatically from SciELO through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Environmental factors predicting fish community structure in two neotropical rivers in Brazil

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Author(s):	Yzel Rondon Súarez ^[1] ; Miguel Petrere Júnior ^[2] Total Authors: 2
Affiliation:	^[1] Universidade Estadual do Mato Grosso do Sul. Centro Integrado de Análise e Monitoramento Ambiental. Laboratório de Ecologia - Brasil ^[2] UNESP. Depto de Ecologia - Brasil Total Affiliations: 2
Document type:	Journal article
Source:	Neotropical Ichthyology; v. 5, n. 1, p. 61-68, 2007-03-00.
Abstract
In order to assess the organization patterns of the fish communities in the Jogui and Iguatemi rivers, we collected fish with gill nets tri-monthly from November 1999 to August 2000. Hypostomus ancistroides and Parauchenipterus galeatus were the most abundant species in the Jogui and Iguatemi rivers, respectively. Longitudinal variation was more important than seasonal in determining the species composition in both rivers, and the difference between seasons was not statistically significant. Altitude was the most important factor determining species distribution. (AU)

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