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Macroalgal metabolism and lateral carbon flows can create significant carbon sinks

Abstract.

"Macroalgal beds have drawn attention as one of the vegetated coastal ecosystems that act as atmospheric CO2 sinks. Although macroalgal metabolism as well as inorganic and organic carbon flows are important pathways for CO2 uptake by macroalgal beds, the relationships between macroalgal metabolism and associated carbon flows are still poorly understood. In the present study, we investigated carbon flows, including air–water CO2 exchange and budgets of dissolved inorganic carbon, total alkalinity, and dissolved organic carbon (DOC), in a temperate macroalgal bed during the productive months of the year. [...]"

Source: Biogeosciences
Auhtors: Kenta Watanabe et al.
DOI: 10.5194/bg-17-2425-2020

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