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Provedor de dados:  BABT
País:  Brazil
Título:  Limnological characteristics and seasonal changes in density and diversity of the phytoplanktonic community at the Caçó pond, Maranhão State, Brazil
Autores:  Dellamano-Oliveira,Maria José
Senna,Pedro Américo Cabral
Taniguchi,Glória Massae
Data:  2003-12-01
Ano:  2003
Palavras-chave:  Seasonality
Phytoplankton
Diversity
Tropical region
Resumo:  Seasonal changes of the phytoplanktonic community and limnological abiotic characteristics of Caçó pond (Maranhão State, Brazil) was evaluated from two field researches during the rainy (April 1999) and dry (November 1999) seasons. Measurements of twelve chemical and physical variables and phytoplankton collections were carried out at eight sampling stations. The Chlorophyceae and Cyanobacteria groups were in highest fractions during the rainy and dry seasons, respectively. The limnological abiotic variables showed a homogenous spatial distribution. The cluster analysis, using Bray-Curtis distance, distinguished two major groups, represented by the most common and abundant species in both the periods. The results showed that the climate regime, due to the seasonal changes in pluviosity, was a determinant over the phytoplanktonic community structure at Caçó pond.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132003000400019
Editor:  Instituto de Tecnologia do Paraná - Tecpar
Relação:  10.1590/S1516-89132003000400019
Formato:  text/html
Fonte:  Brazilian Archives of Biology and Technology v.46 n.4 2003
Direitos:  info:eu-repo/semantics/openAccess
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