Sabiia Seb
PortuguêsEspañolEnglish
Embrapa
        Busca avançada

Botão Atualizar


Botão Atualizar

Registro completo
Provedor de dados:  BABT
País:  Brazil
Título:  Hydrology and phytoplankton community structure at Itamaracá-Pernambuco (Northeast Brazil)
Autores:  Koening,Maria Luise
Macêdo,Silvio José de
Data:  1999-01-01
Ano:  1999
Palavras-chave:  Hydrology
Nutrients
Phytoplankton structure
Resumo:  Quali-quantitative studies and hydrologic parameters were carried out in the profiles 6 (Orange) and 7 (Catuama) during the Victor Hensen cruise, in accordance with the bilateral scientific cooperation agreement Brazil/Germany. Hydrologically a zone of thermic and saline stability characterizes the superficial layer. The nutrient concentrations were generally low on the surface and higher at levels surpassing 100m in depth. 102 taxa were identified including diatoms (49), dinoflagellates (49), bluegreen algae (3), and euglenophyceae (1). The diversity and evenness were high, surpassing the environmental equilibrium. The clustering of samples showed evidence of 2 main groups, one encompassing the stations 32 and 38, characterized predominantly by Oscillatoria erythraeum, and another encompassing the remaining stations, characterized by dinoflagellates and diatoms. The clustering of species involved 4 groups, the biggest being oceanic marine species (49 species) and coastal and eurihaline marine species (31 species). The phytoplankton density varied from 50,000 cell.l-1 to 590,000 cell.l-1, characterizing an oligotrophic environment.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89131999000400002
Editor:  Instituto de Tecnologia do Paraná - Tecpar
Relação:  10.1590/S1516-89131999000400002
Formato:  text/html
Fonte:  Brazilian Archives of Biology and Technology v.42 n.4 1999
Direitos:  info:eu-repo/semantics/openAccess
Fechar
 

Empresa Brasileira de Pesquisa Agropecuária - Embrapa
Todos os direitos reservados, conforme Lei n° 9.610
Política de Privacidade
Área restrita

Embrapa
Parque Estação Biológica - PqEB s/n°
Brasília, DF - Brasil - CEP 70770-901
Fone: (61) 3448-4433 - Fax: (61) 3448-4890 / 3448-4891 SAC: https://www.embrapa.br/fale-conosco

Valid HTML 4.01 Transitional