Articles | Volume 21, issue 11
https://doi.org/10.5194/bg-21-2859-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/bg-21-2859-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
13 Jun 2024
Research article |
| 13 Jun 2024
| 13 Jun 2024
Assessing the impact of CO2-equilibrated ocean alkalinity enhancement on microbial metabolic rates in an oligotrophic system
Instituto de Oceanografía y Cambio Global, Universidad de Las Palmas de Gran Canaria, 35017 Telde, Spain
Javier Arístegui
CORRESPONDING AUTHOR
Instituto de Oceanografía y Cambio Global, Universidad de Las Palmas de Gran Canaria, 35017 Telde, Spain
Nauzet Hernández-Hernández
Instituto de Oceanografía y Cambio Global, Universidad de Las Palmas de Gran Canaria, 35017 Telde, Spain
Joaquín Ortiz
Instituto de Oceanografía y Cambio Global, Universidad de Las Palmas de Gran Canaria, 35017 Telde, Spain
Stephen D. Archer
Bigelow Laboratory for Ocean Sciences, 60 Bigelow Dr., P.O. Box 380, East Boothbay, Maine 04544, USA
Andrea Ludwig
GEOMAR Helmholtz Centre for Ocean Research Kiel, 24148 Kiel, Germany
Ulf Riebesell
GEOMAR Helmholtz Centre for Ocean Research Kiel, 24148 Kiel, Germany
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Cited
23 citations as recorded by crossref.
- Spain's realistic potential for ocean alkalinity enhancement: Carbon dioxide removal through industrial integration S. Foteinis et al. https://doi.org/10.1016/j.jclepro.2026.149298
- Removal of dissolved inorganic carbon from seawater for climate mitigation: potential marine ecosystem impacts G. Hooper et al. https://doi.org/10.3389/fclim.2025.1528951
- Influence of Inorganic Nutrients on a North Atlantic Microbial Community’s Response to Ocean Alkalinity Enhancement I. de Castro et al. https://doi.org/10.3390/oceans6040065
- Ocean alkalinity enhancement (OAE) does not cause cellular stress in a phytoplankton community of the subtropical Atlantic Ocean L. Ramírez et al. https://doi.org/10.5194/bg-22-1865-2025
- Experimental evidence of climate change effects on plankton community respiration in European coastal waters: current insights and knowledge gaps in tested disturbances and studied areas T. Soulié & M. Koski https://doi.org/10.1093/plankt/fbag049
- Olivine and dissolved alkalinity trigger different bacterial community shifts in water and oyster gills: insights from a mesocosm experiment D. Antoni et al. https://doi.org/10.3389/frmbi.2025.1659695
- Responses of microbial metabolic rates to non-equilibrated silicate- versus calcium-based ocean alkalinity enhancement L. Marín-Samper et al. https://doi.org/10.5194/bg-21-5707-2024
- Ocean liming effect on a North Atlantic microbial community: changes in composition and rates I. de Castro et al. https://doi.org/10.3389/fmars.2025.1602158
- Abrupt alkalinization alters microbial diversity and promotes the proliferation of marine parasites in coastal microcosm experiments J. Gately et al. https://doi.org/10.1093/icesjms/fsag063
- Guidance on integrating marine environmental impacts of ocean alkalinity enhancement into life cycle assessment M. Delval et al. https://doi.org/10.1007/s11367-026-02707-z
- From carbonate chemistry to community responses: Thematic evolution in ocean acidification and microbial research— a bibliometric analysis Y. Sun et al. https://doi.org/10.1016/j.marenvres.2026.108154
- Perspectives and challenges of marine carbon dioxide removal A. Oschlies et al. https://doi.org/10.3389/fclim.2024.1506181
- Ocean alkalinity enhancement in a coastal channel: simulating localised dispersion, carbon sequestration and ecosystem impact H. Anderson et al. https://doi.org/10.1088/2515-7620/adce5a
- Surface area and Ω-aragonite oversaturation as controls of the runaway precipitation process in ocean alkalinity enhancement N. Suitner et al. https://doi.org/10.5194/bg-23-3965-2026
- The effect of ocean alkalinity enhancement on pelagic bacterial communities: focus points derived from a mesocosm experiment D. Antoni et al. https://doi.org/10.3389/frmbi.2025.1606890
- Assessment of solid ikaite release into seawater – implications for ocean alkalinity enhancement S. Baltruschat et al. https://doi.org/10.1016/j.apgeochem.2026.106781
- Plankton food web structure and productivity under ocean alkalinity enhancement N. Sánchez et al. https://doi.org/10.1126/sciadv.ado0264
- Prospective site-specific life cycle assessment of ocean alkalinity enhancement M. Myridinas et al. https://doi.org/10.1088/1748-9326/ae5a4e
- Ocean alkalinity enhancement reduces silica ballasting during export due to amplified dissolution P. Suessle et al. https://doi.org/10.5194/bg-23-4691-2026
- Effects of pH-equilibrated ocean alkalinization on macro-benthic calcifiers: A mesocosm study from the port of La Spezia (Italy) D. Calvi et al. https://doi.org/10.1016/j.marpolbul.2026.120198
- Simulated Earth system response to acid downwelling as a form of ocean alkalinity enhancement E. Tiwary et al. https://doi.org/10.1088/1748-9326/ae2105
- A novel methodology to characterize the potential impacts of electrochemical ocean alkalinity enhancement on juvenile coho salmon (Oncorhynchus kisutch) M. Ringham et al. https://doi.org/10.3389/fclim.2025.1717924
- Resilience of Phytoplankton and Microzooplankton Communities under Ocean Alkalinity Enhancement in the Oligotrophic Ocean X. Xin et al. https://doi.org/10.1021/acs.est.4c09838
23 citations as recorded by crossref.
- Spain's realistic potential for ocean alkalinity enhancement: Carbon dioxide removal through industrial integration S. Foteinis et al. https://doi.org/10.1016/j.jclepro.2026.149298
- Removal of dissolved inorganic carbon from seawater for climate mitigation: potential marine ecosystem impacts G. Hooper et al. https://doi.org/10.3389/fclim.2025.1528951
- Influence of Inorganic Nutrients on a North Atlantic Microbial Community’s Response to Ocean Alkalinity Enhancement I. de Castro et al. https://doi.org/10.3390/oceans6040065
- Ocean alkalinity enhancement (OAE) does not cause cellular stress in a phytoplankton community of the subtropical Atlantic Ocean L. Ramírez et al. https://doi.org/10.5194/bg-22-1865-2025
- Experimental evidence of climate change effects on plankton community respiration in European coastal waters: current insights and knowledge gaps in tested disturbances and studied areas T. Soulié & M. Koski https://doi.org/10.1093/plankt/fbag049
- Olivine and dissolved alkalinity trigger different bacterial community shifts in water and oyster gills: insights from a mesocosm experiment D. Antoni et al. https://doi.org/10.3389/frmbi.2025.1659695
- Responses of microbial metabolic rates to non-equilibrated silicate- versus calcium-based ocean alkalinity enhancement L. Marín-Samper et al. https://doi.org/10.5194/bg-21-5707-2024
- Ocean liming effect on a North Atlantic microbial community: changes in composition and rates I. de Castro et al. https://doi.org/10.3389/fmars.2025.1602158
- Abrupt alkalinization alters microbial diversity and promotes the proliferation of marine parasites in coastal microcosm experiments J. Gately et al. https://doi.org/10.1093/icesjms/fsag063
- Guidance on integrating marine environmental impacts of ocean alkalinity enhancement into life cycle assessment M. Delval et al. https://doi.org/10.1007/s11367-026-02707-z
- From carbonate chemistry to community responses: Thematic evolution in ocean acidification and microbial research— a bibliometric analysis Y. Sun et al. https://doi.org/10.1016/j.marenvres.2026.108154
- Perspectives and challenges of marine carbon dioxide removal A. Oschlies et al. https://doi.org/10.3389/fclim.2024.1506181
- Ocean alkalinity enhancement in a coastal channel: simulating localised dispersion, carbon sequestration and ecosystem impact H. Anderson et al. https://doi.org/10.1088/2515-7620/adce5a
- Surface area and Ω-aragonite oversaturation as controls of the runaway precipitation process in ocean alkalinity enhancement N. Suitner et al. https://doi.org/10.5194/bg-23-3965-2026
- The effect of ocean alkalinity enhancement on pelagic bacterial communities: focus points derived from a mesocosm experiment D. Antoni et al. https://doi.org/10.3389/frmbi.2025.1606890
- Assessment of solid ikaite release into seawater – implications for ocean alkalinity enhancement S. Baltruschat et al. https://doi.org/10.1016/j.apgeochem.2026.106781
- Plankton food web structure and productivity under ocean alkalinity enhancement N. Sánchez et al. https://doi.org/10.1126/sciadv.ado0264
- Prospective site-specific life cycle assessment of ocean alkalinity enhancement M. Myridinas et al. https://doi.org/10.1088/1748-9326/ae5a4e
- Ocean alkalinity enhancement reduces silica ballasting during export due to amplified dissolution P. Suessle et al. https://doi.org/10.5194/bg-23-4691-2026
- Effects of pH-equilibrated ocean alkalinization on macro-benthic calcifiers: A mesocosm study from the port of La Spezia (Italy) D. Calvi et al. https://doi.org/10.1016/j.marpolbul.2026.120198
- Simulated Earth system response to acid downwelling as a form of ocean alkalinity enhancement E. Tiwary et al. https://doi.org/10.1088/1748-9326/ae2105
- A novel methodology to characterize the potential impacts of electrochemical ocean alkalinity enhancement on juvenile coho salmon (Oncorhynchus kisutch) M. Ringham et al. https://doi.org/10.3389/fclim.2025.1717924
- Resilience of Phytoplankton and Microzooplankton Communities under Ocean Alkalinity Enhancement in the Oligotrophic Ocean X. Xin et al. https://doi.org/10.1021/acs.est.4c09838
Saved (final revised paper)
Latest update: 19 Sep 2026
Short summary
Our planet is facing a climate crisis. Scientists are working on innovative solutions that will aid in capturing the hard to abate emissions before it is too late. Exciting research reveals that ocean alkalinity enhancement, a key climate change mitigation strategy, does not harm phytoplankton, the cornerstone of marine ecosystems. Through meticulous study, we may have uncovered a positive relationship: up to a specific limit, enhancing ocean alkalinity boosts photosynthesis by certain species.
Our planet is facing a climate crisis. Scientists are working on innovative solutions that will...
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