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By: Dantas, Ênio Wocyli - Bittencourt-Oliveira, Maria do Carmo. - Moura, Ariadne do NascimentoType: ArticleIn: Acta Botanica BrasilicaVolume:Series:Issue:Date: 2010-06-01Page Range:Publication Info:Subjects: Cylindrospermopsis raciborskii Diel variation semi-arid Vertical variation