Articles | Volume 19, issue 11
Biogeosciences, 19, 2795–2804, 2022
https://doi.org/10.5194/bg-19-2795-2022
Biogeosciences, 19, 2795–2804, 2022
https://doi.org/10.5194/bg-19-2795-2022
Research article
03 Jun 2022
Research article | 03 Jun 2022

Contrasting responses of phytoplankton productivity between coastal and offshore surface waters in the Taiwan Strait and the South China Sea to short-term seawater acidification

Guang Gao et al.

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Cited articles

Bach, L. T. and Taucher, J.: CO2 effects on diatoms: a synthesis of more than a decade of ocean acidification experiments with natural communities, Ocean Sci., 15, 1159–1175, https://doi.org/10.5194/os-15-1159-2019, 2019. 
Bao, N. and Gao, K.: Interactive effects of elevated CO2 concentration and light on the picophytoplankton Synechococcus, Front. Mar. Sci., 8, 1–7, 2021. 
Boyd, P. W., Strzepek, R., Fu, F. X., and Hutchins, D. A.: Environmental control of open-ocean phytoplankton groups: Now and in the future, Limnol. Oceanogr., 55, 1353–1376, 2010. 
Chen, C. T. A.: Rare northward flow in the Taiwan Strait in winter: A note, Cont. Shelf Res., 23, 387–391, 2003. 
Cloern, J. E., Foster, S. Q., and Kleckner, A. E.: Phytoplankton primary production in the world's estuarine-coastal ecosystems, Biogeosciences, 11, 2477–2501, https://doi.org/10.5194/bg-11-2477-2014, 2014. 
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Short summary
After conducting large-scale deck-incubation experiments, we found that seawater acidification (SA) increased primary production (PP) in coastal waters but reduced it in pelagic zones, which is mainly regulated by local pH, light intensity, salinity, and community structure. In future oceans, SA combined with decreased upward transports of nutrients may synergistically reduce PP in pelagic zones.
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