Articles | Volume 22, issue 7
https://doi.org/10.5194/bg-22-1865-2025
© Author(s) 2025. 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-22-1865-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
16 Apr 2025
Research article |
| 16 Apr 2025
| 16 Apr 2025
Ocean alkalinity enhancement (OAE) does not cause cellular stress in a phytoplankton community of the subtropical Atlantic Ocean
Department of Ecology, Faculty of Sciences, University of Malaga, Malaga, Spain
Leonardo J. Pozzo-Pirotta
Department of Ecology, Faculty of Sciences, University of Malaga, Malaga, Spain
Aja Trebec
Instituto de Oceanografía y Cambio Global (IOCAG), Universidad de Las Palmas de Gran Canaria (ULPGC), Las Palmas, Spain
Víctor Manzanares-Vázquez
Department of Ecology, Faculty of Sciences, University of Malaga, Malaga, Spain
José L. Díez
Department of Ecology, Faculty of Sciences, University of Malaga, Malaga, Spain
Javier Arístegui
Instituto de Oceanografía y Cambio Global (IOCAG), Universidad de Las Palmas de Gran Canaria (ULPGC), Las Palmas, Spain
Ulf Riebesell
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Stephen D. Archer
Bigelow Laboratory for Ocean Sciences, East Boothbay, Maine, USA
María Segovia
Department of Ecology, Faculty of Sciences, University of Malaga, Malaga, Spain
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Cited
13 citations as recorded by crossref.
- Harnessing naturally occurring sodium carbonate and bicarbonate for gigatonne-scale carbon dioxide removal J. Campbell et al. https://doi.org/10.1016/j.rser.2026.117079
- Differential responses of size-fractionated eukaryotic microalgae to ocean alkalinity enhancement in oligotrophic seawaters H. Bian et al. https://doi.org/10.1128/aem.00092-26
- Resilience to Alkalinity Perturbations Reveals Ecosystem Stability under Ocean Alkalinity Enhancement Y. Liu et al. https://doi.org/10.34133/olar.0157
- 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
- Plankton do not care: Minimal effects of ocean liming on plankton growth and grazing in the Eastern Mediterranean C. Traboni et al. https://doi.org/10.1002/lno.70136
- Resilience of the gelatinous zooplankton species Oikopleura dioica to ocean alkalinity enhancement A. Bhaumik et al. https://doi.org/10.1371/journal.pone.0344503
- Ecological feasibility of ocean alkalinity enhancement: Physiological and metabolic responses of Isochrysis galbana J. Chen et al. https://doi.org/10.1016/j.ecoenv.2026.120716
- 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
- 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
- Interactions between ocean alkalinity enhancement and phytoplankton in an Earth system model M. Seifert et al. https://doi.org/10.5194/bg-22-5897-2025
- Impact on oysters in first-of-its-kind field trial of marine Enhanced Rock Weathering (mERW) with olivine as carbon dioxide removal (CDR) strategy E. Jankowska et al. https://doi.org/10.3389/fclim.2026.1851765
- 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
- Brucite-inspired ocean alkalinity enhancement alters the biogeochemistry and composition of a phytoplankton community: a Santa Barbara channel case report Z. Welch et al. https://doi.org/10.1088/1748-9326/ae1752
13 citations as recorded by crossref.
- Harnessing naturally occurring sodium carbonate and bicarbonate for gigatonne-scale carbon dioxide removal J. Campbell et al. https://doi.org/10.1016/j.rser.2026.117079
- Differential responses of size-fractionated eukaryotic microalgae to ocean alkalinity enhancement in oligotrophic seawaters H. Bian et al. https://doi.org/10.1128/aem.00092-26
- Resilience to Alkalinity Perturbations Reveals Ecosystem Stability under Ocean Alkalinity Enhancement Y. Liu et al. https://doi.org/10.34133/olar.0157
- 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
- Plankton do not care: Minimal effects of ocean liming on plankton growth and grazing in the Eastern Mediterranean C. Traboni et al. https://doi.org/10.1002/lno.70136
- Resilience of the gelatinous zooplankton species Oikopleura dioica to ocean alkalinity enhancement A. Bhaumik et al. https://doi.org/10.1371/journal.pone.0344503
- Ecological feasibility of ocean alkalinity enhancement: Physiological and metabolic responses of Isochrysis galbana J. Chen et al. https://doi.org/10.1016/j.ecoenv.2026.120716
- 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
- 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
- Interactions between ocean alkalinity enhancement and phytoplankton in an Earth system model M. Seifert et al. https://doi.org/10.5194/bg-22-5897-2025
- Impact on oysters in first-of-its-kind field trial of marine Enhanced Rock Weathering (mERW) with olivine as carbon dioxide removal (CDR) strategy E. Jankowska et al. https://doi.org/10.3389/fclim.2026.1851765
- 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
- Brucite-inspired ocean alkalinity enhancement alters the biogeochemistry and composition of a phytoplankton community: a Santa Barbara channel case report Z. Welch et al. https://doi.org/10.1088/1748-9326/ae1752
Saved (final revised paper)
Latest update: 15 Sep 2026
Short summary
We studied the potential effects of increasing ocean alkalinity on a natural plankton community in subtropical waters of the Atlantic near Gran Canaria, Spain. Alkalinity is the capacity of water to resist acidification, and plankton are usually microscopic plants (phytoplankton) and animals (zooplankton), often less than 2.5 cm in length. This study suggests that increasing ocean alkalinity did not have a significant negative impact on the plankton community studied.
We studied the potential effects of increasing ocean alkalinity on a natural plankton community...
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