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Provedor de dados:  ArchiMer
País:  France
Título:  Oxygen production and carbon fixation in oligotrophic coastal bays and the relationship with gross and net primary production
Autores:  Gonzalez, Natalia
Gattuso, Jean-pierre
Middelburg, Jack J.
Data:  2008-08
Ano:  2008
Palavras-chave:  Primary production
Oligotophic coastal bays
Light-dark O-2 changes
C-14 uptake
Respiration in the light
Resumo:  Planktonic primary production and respiration in 2 coastal oligotrophic sites of the Northwest Mediterranean Sea were examined. Primary production was quantified using 3 methods (light and dark changes in dissolved O-2, O-18-labeling and C-14 uptake technique) using in situ bottle incubations. Gross primary production (GPP) based on the O-2 light-dark technique was not significantly different from that using the O-18-labeling technique, indicating that the former technique provides accurate estimates of GPP in these environments. Respiration in the dark was not significantly different frorn respiration in the light. Total C-14 uptake (including the dissolved and particulate organic carbon fractions) during the whole duration of the light period approached GPP and consequently overestimated net primary production.
Tipo:  Text
Idioma:  Inglês

Editor:  Inter-research
Formato:  application/pdf
Fonte:  Aquatic Microbial Ecology (0948-3055) (Inter-research), 2008-08 , Vol. 52 , N. 2 , P. 119-130
Direitos:  Inter-Research 2008


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