1991
DOI: 10.1007/bf00006923
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Contribution of picoplankton to primary production in estuarine, coastal and equatorial waters of Brazil

Abstract: Quantitative data on primary production of picoplankton are presented for three different Brazilian marine ecosystems: estuarine, coastal and oceanic.The size fraction from 0.45 pm to 1.0 pm was responsible for 3.0% to 28.5% of i4C uptake in estuarine waters; 18.5% to 40.4% in coastal waters, and 6.7% to 100.0% in oceanic waters, respectively.These results establish the importance of picoplankton as primary producers in different marine environments along the Brazilian waters.

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Cited by 24 publications
(14 citation statements)
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“…Studies carried out in coastal and oceanic Brazilian area show that the western part of the South Atlantic Ocean displays levels of biomass and productivity typical of oligotrophic areas (BRANDINI, 1990;TEXEIRA;GAETA, 1991;METZLER et al, 1997). The low biomass and productivity levels in the Atlantics waters off eastern Brazil are associated with the warm temperature and high salinity surface Tropical Water mass of the Brazil Current (SUSINI-RIBEIRO, 1999).…”
Section: Discussionmentioning
confidence: 99%
“…Studies carried out in coastal and oceanic Brazilian area show that the western part of the South Atlantic Ocean displays levels of biomass and productivity typical of oligotrophic areas (BRANDINI, 1990;TEXEIRA;GAETA, 1991;METZLER et al, 1997). The low biomass and productivity levels in the Atlantics waters off eastern Brazil are associated with the warm temperature and high salinity surface Tropical Water mass of the Brazil Current (SUSINI-RIBEIRO, 1999).…”
Section: Discussionmentioning
confidence: 99%
“…Isto pode ser confirmado por estudos realizados por Teixeira;Gaeta (1991) que mostram que o picoplâncton autotrófico contribuiu com 7 e 100% do total de carbono assimilado pelo fitoplâncton na região oceânica próxima ao Rio Amazonas, com 18 e 40% na região costeira de Ubatuba (valores intermediários) e com 3 e 28% na região estuarina de Cananéia (SP).…”
Section: Discussionunclassified
“…La dominance du PPA dans les écosystèmes oligomésotrophes est un phénomène bien connu qui s'explique principalement par la petite taille des cellules qui leur permet d'échapper aux herbivores zooplanctoniques ainsi que par leur rapport surface/volume élevé qui leur confère un avantage compétitif nutritionnel sur les cellules de plus grande taille dans les milieux pauvres en nutriments (FOGG, 1986 ;TEIXEIRA et GAETA, 1991 ;WEHR, 1991 ;PICK et AGBETI, 1991 ;PINEL-ALLOUL ef al., 1996). Cet avantage compétitif est perdu à mesure que les concentrations de nutriments augmentent (WEHR, 1990 ;LAFOND ef a/., 1990 ;TZARAS ef al.…”
Section: Relationships Between the Biomass (Ug-c-l~1) Of Autotrophic unclassified