2019
DOI: 10.4257/oeco.2019.2304.01
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Hábitos Alimentares Em Peixes De Água Doce: Uma Revisão Sobre Metodologias E Estudos Em Várzeas Brasileiras

Abstract: Resumo: Em ambientes sazonalmente alagáveis, os hábitos alimentares demonstrados pela comunidade íctica são reflexos da disponibilidade de recursos no meio e da adaptabilidade das espécies às condições ambientais. Nesse sentido, este trabalho apresenta uma revisão sobre os principais métodos adotados para análise da dieta das assembleias de peixes em várzeas de rios brasileiros, além de uma revisão dos hábitos alimentares, plasticidade trófica e o efeito da sazonalidade na dieta. A avaliação da dieta das espéc… Show more

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Cited by 3 publications
(2 citation statements)
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“…These organisms present several adaptations of the digestive system, according to the specialization required to ingest, digest and absorb different types of food (Zavala-Camin 1996). The need to adapt to environments with such different characteristics makes it possible for several species to coexist in the same environment (Corrêa & Smith 2019).…”
Section: Eating Habitsmentioning
confidence: 99%
“…These organisms present several adaptations of the digestive system, according to the specialization required to ingest, digest and absorb different types of food (Zavala-Camin 1996). The need to adapt to environments with such different characteristics makes it possible for several species to coexist in the same environment (Corrêa & Smith 2019).…”
Section: Eating Habitsmentioning
confidence: 99%
“…For each of the analyzed species, the food index (Kawakami and Vazzoler, 1980) was determined by collection point and for each species, where IAi = (FOi * Pi)/∑(FOi * Pi ) * 100, where: IAi is the food index of item i, FOi is the frequency of occurrence of item i and Pi is the weight of item i. This method allowed the determination of the food preference of fish species and their trophic level, and could be applied even to smaller food items (Corrêa and Smith, 2019).…”
Section: Stomach Content and Data Analysismentioning
confidence: 99%