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Concentrations And Uptake Of Neutral Monosaccharides Along 14°W In The Equatorial Pacific: Contribution Of Glucose To Heterotrophic Bacterial Activity And The Dom Flux, James Rich, Hugh Ducklow, David L. Kirchman
Concentrations And Uptake Of Neutral Monosaccharides Along 14°W In The Equatorial Pacific: Contribution Of Glucose To Heterotrophic Bacterial Activity And The Dom Flux, James Rich, Hugh Ducklow, David L. Kirchman
VIMS Articles
We examined concentrations and uptake of dissolved neutral monosaccharides (DNMS) in order to determine the contribution of DNMS to heterotrophic bacterial production and to the flux of dissolved organic matler (DOM) in the equatorial Pacific. DNMS concentrations were greater during El Niño‐affected months of February–April 1992 than during August–October 1992; in contrast, glucose turnover was the opposite— turnover was faster in August–October than in February–April. The variation in sugar concentrations and turnover probably resulted from El Niño‐induced changes in primary production; as El Niño waned primary production increased, which appeared to stimulate bacterial activity, especially glucose turnover, that in turn …