volume 25, issue 1, P54-67 2013
DOI: 10.1590/s2179-975x2013000100007
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Abstract: Introduction: The floodplains of the large Amazonian rivers are very productive as a result of seasonal fluctuations of water levels. This favors the fishes as they are provided with a wide range of habitats and food resources; Aim: In this study, we identified the trophic structure of fish assemblages in the upper river Urucu area (State of Amazonas -Brazil), observing seasonal changes determined by the hydrological cycle; Methods: Samples were collected with the aid of gillnets, during the flood season (Apri…

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