Articles | Volume 18, issue 24
Biogeosciences, 18, 6423–6434, 2021
https://doi.org/10.5194/bg-18-6423-2021
Biogeosciences, 18, 6423–6434, 2021
https://doi.org/10.5194/bg-18-6423-2021

Research article 15 Dec 2021

Research article | 15 Dec 2021

Biophysical controls on seasonal changes in the structure, growth, and grazing of the size-fractionated phytoplankton community in the northern South China Sea

Yuan Dong et al.

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Cited articles

Anderson, S. R. and Harvey, E. L.: Seasonal variability and drivers of microzooplankton grazing and phytoplankton growth in a subtropical estuary, Front. Mar. Sci., 6, 174, https://doi.org/10.3389/fmars.2019.00174, 2019. 
Bergkvist, J., Thor, P., Jakobsen, H. H., Wängberg, S., and Selander, E.: Grazer-induced chain length plasticity reduces grazing risk in a marine diatom, Limnol. Oceanogr., 57, 318–324, https://doi.org/10.4319/lo.2012.57.1.0318, 2012. 
Bernard, C. and Rassoulzadegan, F.: Bacteria or microflagellates as a major food source for marine ciliates: possible implications for the microzooplankton, Mar. Ecol. Prog. Ser., 64, 147–155, https://doi.org/10.3354/meps064147, 1990. 
Calbet, A.: Mesozooplankton grazing effect on primary production: A global comparative analysis in marine ecosystems, Limnol. Oceanogr., 7, https://doi.org/10.4319/lo.2001.46.7.1824, 2001. 
Calbet, A. and Landry, M. R.: Mesozooplankton influences on the microbial food web: Direct and indirect trophic interactions in the oligotrophic open ocean, Limnol. Oceanogr., 6, https://doi.org/10.4319/lo.1999.44.6.1370, 1999. 
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Temporal change of plankton growth and grazing are less known in the coastal ocean, not to mention the relevant controlling mechanisms. Here, we performed monthly size-specific dilution experiments outside a eutrophic estuary over a 1-year cycle. Phytoplankton growth was correlated to nutrients and grazing mortality to total chlorophyll a. A selective grazing on small cells may be important for maintaining high abundance of large-chain-forming diatoms in this eutrophic system.
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