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  1. By: Lopes, CA. - Benedito-Cecilio, Evanilde, - Martinelli, LA.
    Type: Article
    In: Instituto Internacional de Ecologia
    Date: 2009-06-01
    Publication Info: Instituto Internacional de Ecologia 2009-06-01
    Subjects: bottom-feeding fish  nitrogen stable isotope  trophic position  Upper Parana River floodplain