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Feeding habits of fish from a stream in the savanna of Central Brazil, Araguaia Basin Neotropical Ichthyology
Melo,Cesar Enrique de; Machado,Francisco de Arruda; Pinto-Silva,Vangil.
The objective of the present study was to determine the composition of the diet of fish and its relation to the condition of canopy along a stream in the savanna of Central Brazil. Fish were collected monthly from April 1994 to March 1995. A total of 3872 individuals belonging to 82 species were captured and 1606 of them had their stomach content analysed. Allochthonous resources were widely used by fish. Although some fish groups do present generalist habits, most of the species can be included in well-defined trophic groups. Piscivores were abundant only during the flooding season when they occupied the stream looking for food and reproduction sites. Deforestation of the riparian forest has negative effects on the fish populations that depend on...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Neotropical fishes; Fish ecology; Trophic interactions; Riparian forest; Cerrado.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252004000100006
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