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Provedor de dados:  BABT
País:  Brazil
Título:  Offshore distribution patterns of the cyanobacterium Trichodesmium erythraeum ehrenberg and associated phyto- and bacterioplankton in the southern Atlantic coast (Paraná, Brazil)
Autores:  Siqueira,Adriana
Kolm,Hedda Elisabeth
Brandini,Frederico Pereira
Data:  2006-03-01
Ano:  2006
Palavras-chave:  Trichodesmium erythraeum
Bloom
Cyanobacteria
Phytoplankton
South Brazil
Resumo:  Studies were carried out on Thrichodesmium erythraeum occurring on the inner shelf in the state of Paraná, Brazil. Temperature, salinity, rainfall, wind velocity, total bacteria, bacterial biomass, chlorophyll-a, phytoplankton, Anabaena sp., Merismopedia sp. and T. erythraeum densities were measured in surface water. Centric and pennate diatoms, Anabaena sp. and Merismopedia sp. were most abundant at 15 m isobath, while dinoflagellate abundance was relatively constant among stations. Similarly, total bacterial densities were relatively homogeneous throughout the sampling area, suggesting that blooms of T. erythraeum were not yet in the senescent phase. Results showed that T. erythraeum was capable of surviving in relatively inhospitable environmental conditions, due to its ability to fix nitrogen and to photosynthesis at high light intensities.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132006000300018
Editor:  Instituto de Tecnologia do Paraná - Tecpar
Relação:  10.1590/S1516-89132006000300018
Formato:  text/html
Fonte:  Brazilian Archives of Biology and Technology v.49 n.2 2006
Direitos:  info:eu-repo/semantics/openAccess
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