Bottom-up control of phytoplankton growth in spring blooms in Central Yellow Sea, China

The source and significance of three nutrients – nitrogen, phosphorous and silicon – were investigated by a modified dilution method performed on seawater samples from the Central Yellow Sea (CYS), in spring blooming period of 2007. This modified dilution method accounted for the phytoplankton growt...

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Bibliographic Details
Published in:Deep-sea research. Part II, Topical studies in oceanography Topical studies in oceanography, 2013-12, Vol.97, p.61-71
Main Authors: Sun, Jun, Feng, Yuanyuan, Wang, Dan, Song, Shuqun, Jiang, Yan, Ding, Changling, Wu, Ying
Format: Article
Language:English
Subjects:
Central Yellow Sea
External nutrient
Internal nutrient
Nutrient limitation
Remineralized nutrient
Spring bloom
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Summary:The source and significance of three nutrients – nitrogen, phosphorous and silicon – were investigated by a modified dilution method performed on seawater samples from the Central Yellow Sea (CYS), in spring blooming period of 2007. This modified dilution method accounted for the phytoplankton growth rate, microzooplankton grazing mortality rate, the internal and external nutrient pools, as well as nutrients supplied through remineralization by microzooplankton grazing. The results indicate that phytoplankton growth during the bloom is mostly contributed by internal nutrient pools (KI=0.062–1.730). The external nutrient pools (KE=
ISSN:0967-0645
1879-0100
DOI:10.1016/j.dsr2.2013.05.006