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	Provedor de dados Iheringia, Sér. Zool. (1) Autor Fialho,Clarice B. (1) Saccol-Pereira,Adriana (1) Palavra-chave Biological rhythm (1) Circadian rhythm (1) Fish ecology (1) Freshwater fish (1) Patos Lagoon (1) Tipo do documento Info:eu-repo/semantics/report (1) Ano 2010 (1) País Brazil (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Seasonal and diel variation in the fish assemblage of a Neotropical delta in southern Brazil Iheringia, Sér. Zool. Saccol-Pereira,Adriana; Fialho,Clarice B.. The objective of this study was to identify the patterns of seasonal and diel variation and the most important abiotic factors that influence variation in the fish assemblage of the Delta of the Jacuí River in southern Brazil. Seventy-two samples were collected over a one year period. Water temperature was the abiotic factor with the greatest influence on the distribution of the assemblage. The structure of the assemblage exhibited significant changes in terms of species abundance and biomass during the year, with the greatest abundance and biomass being observed during the autumn. There was no significant difference between day and night in terms of abundance, but biomass was significantly greater during the night than during the day. Tipo: Info:eu-repo/semantics/report Palavras-chave: Fish ecology; Freshwater fish; Biological rhythm; Circadian rhythm; Patos Lagoon. Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212010000200013 Registros recuperados: 1 Primeira ... 1 ... Última

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