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Oxygen production and carbon fixation in oligotrophic coastal bays and the relationship with gross and net primary production ArchiMer
Gonzalez, Natalia; Gattuso, Jean-pierre; Middelburg, Jack J..
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...
Tipo: Text Palavras-chave: Primary production; Oligotophic coastal bays; Light-dark O-2 changes; O-18-labeling; C-14 uptake; Respiration in the light.
Ano: 2008 URL: https://archimer.ifremer.fr/doc/00247/35851/34376.pdf
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