Articles | Volume 19, issue 11
https://doi.org/10.5194/bg-19-2795-2022
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, Tifeng Wang, Jiazhen Sun, Xin Zhao, Lifang Wang, Xianghui Guo, and Kunshan Gao

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This preprint is open for discussion and under review for Biogeosciences (BG).
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Cited articles

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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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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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