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Phytoplankton community in a recreational fishing lake, Brazil

Matsuzaki, Mayla ; Mucci, José Luiz Negrão ; Rocha, Aristides Almeida

Revista de saúde pública, 2004-10, Vol.38 (5), p.679-686 [Periódico revisado por pares]

Brazil

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  • Título:
    Phytoplankton community in a recreational fishing lake, Brazil
  • Autor: Matsuzaki, Mayla ; Mucci, José Luiz Negrão ; Rocha, Aristides Almeida
  • Assuntos: Anabaena ; Animals ; Bacillariophyceae ; Brazil ; Chlorophyceae ; Chrysophyceae ; Cyanophyceae ; Cylindrospermopsis raciborskii ; Dinophyceae ; Environmental Monitoring - methods ; Euglenophyceae ; Fisheries ; Fresh Water ; Humans ; Microcystis ; Phytoplankton - classification ; Population Density ; Recreation ; Seasons ; Zygnemaphyceae
  • É parte de: Revista de saúde pública, 2004-10, Vol.38 (5), p.679-686
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: The assessment of water quality and phytoplankton community in recreational environments allows to setting management programs aiming at preventing potential harm to human health. The purpose of the present study was to describe phytoplankton seasonal changes in a freshwater system and their relation to water quality. The recreational fishing lake is located in the southern area of the city of São Paulo, Brazil. Water samples were collected in three previously selected sites in the lake throughout a year and analyzed regarding floristic composition and physical and chemical parameters. The phytoplankton qualitative analysis revealed 91 taxa distributed among eight classes: Chlorophyceae, Cyanophyceae, Euglenophyceae, Zygnemaphyceae, Bacillariophyceae, Xantophyceae, Dinophyceae, and Chrysophyceae. Some physical and chemical parameters seemed to influence phytoplankton community behavior. Chlorophyceae development was favored by local conditions. Among the species of cyanobacteria identified, Microcystis paniformis, Cylindrospermopsis raciborskii, and Anabaena species were the most important due to their ability to produce toxins, posing a high risk to public health. Some physical and chemical parameters had an impact on the structure of phytoplankton community. The presence of Microcystis paniformis, Cylindrospermopsis raciborskii and Anabaena species indicates toxic potential and likelihood of public health problems unless there is constant monitoring. Further studies are recommended to prevent hazardous effects to the environment and public health.
  • Editor: Brazil
  • Idioma: Português
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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