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Conservação de recursos hídricos: a percepção de alunos de ensino médio no muni...
Caetano, Dyego Leonardo FerrazA incidência de processos como a poluição, desmatamentos, construção de hidrelétricas e a pesca indiscriminada tem provocado um desequilíbrio constante na ecologia dos recursos hídricos, originando prejuízos tanto para o ambiente em si, considerando, por exemplo, a fauna e a flora, como para toda a população que depende dele. Dentro deste contexto, a recuperação e preservação das bacias hidrográficas regionais ...
Fish diversity from tributaries of the Chavantes Reservoir, upper Paraná River ...
Rosa, Rafael Rogério; Caetano, Dyego Leonardo Ferraz; Bellay, Sybelle; Moraes, Verônica Rodrigues de; Vieira, Fernando Emmanuel GonçalvesDistribution and abundance of stream fish species can be influenced by environmental characteristics related to the aquatic environment and its margins. The objective of this study was to inventory the ichthyofauna of the Cruz, Taquaruçu, and Taquaruçu II streams, in the Paranapanema River basin, and to analyze the diversity parameters and associate them with abiotic variables. A total of 4,956 specimens were c...
Influence of an artificial dam on the fish assemblage of a Neotropical stream
Caetano, Dyego Leonardo Ferraz; Rosa, Rafael Rogério; Moraes, Verônica Rodrigues de; Jané, Daniela Ribas; Silva, Alexandre Fernandes Oliveira daThe objective of this study was to evaluate the influence of a dam on the ecological parameters of the fish assemblages of a stream of second order of the upper Paraná River basin, southern Brazil. Samplings of abiotic data and ichthyofauna occurred quarterly between September 2012 and June 2013. Were collected 3,128 individuals in six orders, eight families and 13 species. The Cluster analysis (Jaccard) based ...