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Doc Dynamics In Eddies Of The Sargasso Sea, Eric Matthew Lachenmyer
Doc Dynamics In Eddies Of The Sargasso Sea, Eric Matthew Lachenmyer
Theses and Dissertations
Bacterial productivity and size-fractioned rates of dissolved organic carbon (DOC) excretion from primary and secondary producers were measured in two eddy types, one anti-cyclonic (February 2012) and one cyclonic eddy (July 2012), in the Sargasso Sea. Bacterial productivity (BP) rates in the cyclonic eddy were highest in the center (9.2 mg C m-2d-1) and edge (10.4 mg C m-2d-1) of the eddy compared to the anti-cyclone center (2.2 mg C m-2d-1) and edge (5.1 mg C m-2d-1). Rates of DOC excretion from14C-tracer experiments were not significantly higher than background; lack of accumulation of labeled material indicated very fast uptake of …