Biogeosciences
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Articles | Volume 23, issue 1
Articles | Volume 23, issue 1
https://doi.org/10.5194/bg-23-463-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-23-463-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23, issue 1
Research article
 | 
16 Jan 2026
Research article |  | 16 Jan 2026

Long-term impacts of mixotrophy on ocean carbon storage: insights from a 10 000 year global model simulation

Marco Puglia, Thomas S. Bibby, Jamie D. Wilson, and Ben A. Ward

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Short summary
Mixotrophs use both photosynthesis and predation as source of nutrition. Simulations show they can increase ocean carbon storage, but long-term effects are not yet understood. Using a low-resolution ocean-ecology model that ran for 10,000 years, we compared simulations with and without mixotrophs. Mixotrophs increased global carbon storage by trapping more organic carbon in the ocean interior, although interactions with the ocean circulation offset these effects in the North Atlantic.
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