Articles | Volume 17, issue 9
https://doi.org/10.5194/bg-17-2425-2020
https://doi.org/10.5194/bg-17-2425-2020
Research article
 | 
05 May 2020
Research article |  | 05 May 2020

Macroalgal metabolism and lateral carbon flows can create significant carbon sinks

Kenta Watanabe, Goro Yoshida, Masakazu Hori, Yu Umezawa, Hirotada Moki, and Tomohiro Kuwae

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Latest update: 24 Dec 2024
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Short summary
Macroalgal beds are among the vegetated coastal ecosystems that take up atmospheric CO2. We investigated the relationships between macroalgal metabolism and inorganic and organic carbon fluxes in a temperate macroalgal bed during the productive time of year. The macroalgal metabolism formed water with low CO2 and high dissolved organic carbon concentrations that was then exported offshore. This export process potentially enhances CO2 uptake in and around macroalgal beds.
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