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Articles | Volume 22, issue 2
Articles | Volume 22, issue 2
https://doi.org/10.5194/bg-22-499-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/bg-22-499-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 22, issue 2
Research article
 | 
28 Jan 2025
Research article |  | 28 Jan 2025

Assessing the impacts of simulated ocean alkalinity enhancement on viability and growth of nearshore species of phytoplankton

Jessica L. Oberlander, Mackenzie E. Burke, Cat A. London, and Hugh L. MacIntyre

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Latest update: 26 Oct 2025
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Short summary
Ocean alkalinity enhancement (OAE) is a promising negative emission technology that results in the net sequestration of atmospheric carbon. In this paper, we assess the potential impact of OAE on phytoplankton through an analysis of prior studies and the effects of simulated OAE on photosynthetic competence. Our findings suggest that there may be little if any significant impact on most phytoplankton studied to date if OAE is conducted in well-flushed, nearshore environments.
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Environmental impacts of ocean alkalinity enhancement
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