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Diversity and fish distribution at Rodrigo de Freitas Lagoon, Rio de Janeiro State, Brazil, using GIS - doi: 10.4025/actascibiolsci.v36i1.18563 Biological Sciences
Moraes, Luzia Alice Ferreira de; Universidade Federal do Estado do Rio de Janeiro; Andreata, José Vanderli; Universidade Santa Úrsula; Oliveira, Bruno Teixeira de; Universidade Federal do Estado do Rio de Janeiro.
Fish fauna is considered a good indicator of water quality. The Rodrigo de Freitas Lagoon is located in Rio de Janeiro city with a great scenic beauty. However, along the years, the Lagoon has been negatively impacted by human activities which can be seen in massive fish deaths and blooms of toxic algae. This study evaluated fish abundance and diversity in two historical periods, and between areas of capture. Multivariate data analyses were performed to find similar groups of fish fauna and to evaluate fish abundance and their seasonal and spatial variation. It was also used the algebraic language as a tool to combine raster layers as dissolved oxygen in surface, bathymetry and fish abundance by using rules and conditions involved in the fish zoning. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 2.05.00.00-9 ichtyofauna abundance; Environmental variables; Map algebra Ecologia de peixes.
Ano: 2013 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/18563
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