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Seasonal variations in the effect of microzooplankton grazing on phytoplankton in the East China Sea
Zheng, Liping1,2; Chen, Bingzhang1; Liu, Xin1; Huang, Bangqin1; Liu, Hongbin3; Song, Shuqun4
2015-12-01
Source PublicationCONTINENTAL SHELF RESEARCH
Volume111Issue:2015Pages:304-315
SubtypeArticle
AbstractThe effect of microzooplankton grazing on phytoplankton in the East China Sea (ECS) was investigated in summer 2009 and winter 2009/2010 using the dilution technique. There were no significant differences in phytoplankton growth rates and microzooplankton grazing rates between coastal (influenced by the Changjiang River plume) and offshore (influenced by the Kuroshio) waters in either season. The mean rates of phytoplankton growth (0.77 +/- 0.53 d(-1)) and microzooplankton grazing (0.69 +/- 0.42 d(-1)) in summer (n=26) were significantly higher than those in winter (0.39 +/- 0.18 d(-1) and 0.21 +/- 0.08 d(-1) for mean rates of growth and grazing, respectively) (n=24). In both seasons, phytoplankton growth and microzooplankton grazing rates were significantly higher at the surface than at the depth of 5% surface irradiance. Aloricate ciliates were abundant and dominated microzooplankton in the ECS. There were no significant differences in microzooplankton abundance and biomass between seasons or depths. The grazing per microzooplankton was higher in summer than in winter. Phytoplankton growth rates were positively correlated with temperature in the surface waters in summer. Microzooplankton grazing balanced the primary production in summer, while the grazing was low in winter. In winter, the low picophytoplankton and temperature may have been responsible for the low microzooplankton grazing in the ECS. (C) 2015 Elsevier Ltd. All rights reserved.
KeywordPhytoplankton Growth Microzooplankton Grazing East China Sea Top-down Control
DOI10.1016/j.csr.2015.08.010
Indexed BySCI
Language英语
WOS IDWOS:000367119100019
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/86643
Collection实验海洋生物学重点实验室
Affiliation1.Xiamen Univ, Minist Educ, Fujian Prov Key Lab Coastal Ecol & Environm Studi, Key Lab Coastal & Wetland Ecosyst, Xiamen 361102, Peoples R China
2.Chinese Acad Sci, Sanya Inst Deep Sea Sci & Engn, Deep Sea Res Dept, Sanya, Peoples R China
3.Hong Kong Univ Sci & Technol, Div Life Sci, Hong Kong, Hong Kong, Peoples R China
4.Chinese Acad Sci, Inst Oceanol, Qingdao, Peoples R China
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GB/T 7714
Zheng, Liping,Chen, Bingzhang,Liu, Xin,et al. Seasonal variations in the effect of microzooplankton grazing on phytoplankton in the East China Sea[J]. CONTINENTAL SHELF RESEARCH,2015,111(2015):304-315.
APA Zheng, Liping,Chen, Bingzhang,Liu, Xin,Huang, Bangqin,Liu, Hongbin,&Song, Shuqun.(2015).Seasonal variations in the effect of microzooplankton grazing on phytoplankton in the East China Sea.CONTINENTAL SHELF RESEARCH,111(2015),304-315.
MLA Zheng, Liping,et al."Seasonal variations in the effect of microzooplankton grazing on phytoplankton in the East China Sea".CONTINENTAL SHELF RESEARCH 111.2015(2015):304-315.
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