Articles | Volume 20, issue 20
https://doi.org/10.5194/bg-20-4289-2023
https://doi.org/10.5194/bg-20-4289-2023
Research article
 | 
20 Oct 2023
Research article |  | 20 Oct 2023

Ocean acidification enhances primary productivity and nocturnal carbonate dissolution in intertidal rock pools

Narimane Dorey, Sophie Martin, and Lester Kwiatkowski

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Cited articles

Albright, R., Takeshita, Y., Koweek, D. A., Ninokawa, A., Wolfe, K., Rivlin, T., Nebuchina, Y., Young, J., and Caldeira, K.: Carbon dioxide addition to coral reef waters suppresses net community calcification, Nature, 555, 516–519, https://doi.org/10.1038/nature25968, 2018. 
Aminot, A. and Kérouel, R.: Dosage automatique des nutriments dans les eaux marines: méthodes en flux continu, Editions Quae, 191 pp., ISBN 978-2-7592-0023-8, 2007. 
Barry, J., Hall-Spencer, J., and Tyrrell, T.: In situ perturbation experiments: natural venting sites, spatial/temporal gradients in ocean pH, manipulative in situ pCO2 perturbations, in: Guide to best practices in ocean acidification research and data reporting, , edited by: Riebesell, U., Fabry, V. J., Hansson, L., and Gattuso, J.-P., Publications Office of the European Union, Luxembourg, 123–136, https://doi.org/10.2777/66906, 2010. 
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Short summary
Human CO2 emissions are modifying ocean carbonate chemistry, causing ocean acidification and likely already impacting marine ecosystems. Here, we added CO2 to intertidal pools at the start of emersion to investigate the influence of future ocean acidification on net community production (NCP) and calcification (NCC). By day, adding CO2 fertilized the pools (+20 % NCP). By night, pools experienced net community dissolution, a dissolution that was further increased (+40 %) by the CO2 addition.
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