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By: Butakka, Cristina Márcia de Menezes - Ragonha, FH. - Takeda, Alice MichiyoType: ArticleIn: Instituto Internacional de EcologiaVolume:Series:Issue:Date: 2014-05-01Page Range:Publication Info: Instituto Internacional de EcologiaSubjects: aquatic invertebrate food recourses food webs Lakes Upper Paraná river