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Relationship between nutrients and plankton biomass in the turbidity maximum zone of the Pearl River Estuary
Shi, Z; Xu, J; Huang, XP; Zhang, X; Jiang, ZJ; Ye, F; Liang, XM; shizhen@scsio.ac.cn; xphuang@scsio.ac.cn
2017
发表期刊JOURNAL OF ENVIRONMENTAL SCIENCES
卷号57页码:72-84
摘要Nutrients, dissolved and particulate organic carbon and plankton (bacterio-, phyto- and zoo-) were compared in the turbidity maximum zone (TMZ) and adjacent areas (non-TMZ) in the Pearl River estuary. Our results showed that high levels of suspended substances had marked effect on dynamics of nutrients and plankton in the TMZ. Based on the cluster analysis of total suspended solids (TSS) concentrations, all stations were divided into two groups, TMZ with average TSS of 171 mg/L and non-TMZ of 45 mg/L. Suspended substances adsorbed POI43- and dissolved organic carbon, resulting in higher particulate phosphorus and organic carbon (POC) and lower PO43- and DOC in the TMZ, compared to the non-TMZ. However, suspended substances had limited effect on nitrogenous nutrients. Phytoplankton growth was light -limited due to high concentrations of suspended substances in the TMZ and a peak of phytoplankton abundance appeared in the non-TMZ. In contrast, the highest bacterial abundance occurred in the TMZ, which was likely partly responsible for low DOC levels. Two peaks of zooplankton abundance observed in the TMZ and non-TMZ in the Pearl River estuary were primarily supported by bacteria and phytoplankton, respectively. Our finding implied that high levels of suspended solids in the TMZ affect the trophic balance. (C) 2016 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.
部门归属[Shi, Zhen; Huang, Xiaoping; Zhang, Xia; Jiang, Zhijian] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Guangdong, Peoples R China; [Shi, Zhen; Xu, Jie] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China; [Ye, Feng] Chinese Acad Sci, Guangzhou Inst Geochem, Key Lab Marginal Sea Geol, Guangzhou 510640, Guangdong, Peoples R China; [Liang, Ximei] Jiangxi Agr Univ, Coll Anim Sci & Technol, Nanchang 330045, Jiangxi, Peoples R China
关键词Nutrient Plankton Turbidity Maximum Zone Pearl River Estuary
资助项目MSG
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/16514
专题中科院边缘海地质重点实验室
通讯作者shizhen@scsio.ac.cn; xphuang@scsio.ac.cn
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GB/T 7714
Shi, Z,Xu, J,Huang, XP,et al. Relationship between nutrients and plankton biomass in the turbidity maximum zone of the Pearl River Estuary[J]. JOURNAL OF ENVIRONMENTAL SCIENCES,2017,57:72-84.
APA Shi, Z.,Xu, J.,Huang, XP.,Zhang, X.,Jiang, ZJ.,...&xphuang@scsio.ac.cn.(2017).Relationship between nutrients and plankton biomass in the turbidity maximum zone of the Pearl River Estuary.JOURNAL OF ENVIRONMENTAL SCIENCES,57,72-84.
MLA Shi, Z,et al."Relationship between nutrients and plankton biomass in the turbidity maximum zone of the Pearl River Estuary".JOURNAL OF ENVIRONMENTAL SCIENCES 57(2017):72-84.
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