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	Concentrations and distribution of transparent exopolymer particles in a eutrophic coastal sea: a case study of the Changjiang (Yangtze River) estuary
	Guo, Shujin1,2,3; Sun, Xiaoxia1,2,3,4
	2019
发表期刊	MARINE AND FRESHWATER RESEARCH
ISSN	1323-1650
卷号	70期号:10页码:1389-1401
通讯作者	Sun, Xiaoxia(xsun@qdio.ac.cn)
摘要	Transparent exopolymer particles (TEPs) contribute to carbon export and can represent a significant part of the carbon pool, most notably in eutrophic systems. This study represents the first investigation of the concentrations and distribution of TEPs in the Changjiang (Yangtze River) estuary, one of the most eutrophic coastal seas in the world. The concentration of TEPs was determined on a seasonal basis (spring, summer and autumn), and the distribution patterns of TEPs were studied with respect to physical, chemical and biological conditions. Spatially, TEP concentrations exhibited a significant positive correlation with chlorophyll-a concentrations in spring and summer, which implies a consistent production of TEPs by phytoplankton cells. Vertically, TEP concentrations decreased gradually from the surface layer to the bottom layer in spring and summer, but were distributed homogenously in the water column in autumn. Values of nitrogen:phosphorus ratio (N:P) were found to have a significant positive correlation with TEP concentrations in summer, indicating that a P limitation would probably accelerate production and formation of TEPs. TEP-carbon (TEP-C) concentration was found to be similar to phytoplankton-C in the study area, highlighting the fact that TEP-C could represent a significant fraction of the particulate organic carbon pool in the Changjiang (Yangtze River) estuary.
关键词	biogeochemistry eutrophication marine phytoplankton
DOI	10.1071/MF18211
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[31700425] ; National Natural Science Foundation of China[91751202] ; Innovation Plan of Science and Technology for AoShan[2016ASKJ02] ; National Natural Science Foundation of China[31700425] ; National Natural Science Foundation of China[91751202] ; Innovation Plan of Science and Technology for AoShan[2016ASKJ02]
WOS研究方向	Fisheries ; Marine & Freshwater Biology ; Oceanography
WOS类目	Fisheries ; Limnology ; Marine & Freshwater Biology ; Oceanography
WOS记录号	WOS:000489060900004
出版者	CSIRO PUBLISHING
引用统计	被引频次：5[WOS]   [WOS记录]     [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/163215
专题	胶州湾海洋生态系统国家野外研究站
通讯作者	Sun, Xiaoxia
作者单位	1.Chinese Acad Sci, Inst Oceanol, Jiaozhou Bay Natl Marine Ecosyst Res Stn, 7 Nanhai Rd, Qingdao 266071, Shandong, Peoples R China 2.Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Ecol & Environm Sci, 1 Wenhai Rd, Qingdao 266237, Shandong, Peoples R China 3.Chinese Acad Sci, Ctr Ocean Mega Sci, 7 Nanhai Rd, Qingdao 266071, Shandong, Peoples R China 4.Univ Chinese Acad Sci, 19 Yuquan Rd, Beijing 100049, Peoples R China
第一作者单位	中国科学院海洋研究所
通讯作者单位	中国科学院海洋研究所
推荐引用方式 GB/T 7714	Guo, Shujin,Sun, Xiaoxia. Concentrations and distribution of transparent exopolymer particles in a eutrophic coastal sea: a case study of the Changjiang (Yangtze River) estuary[J]. MARINE AND FRESHWATER RESEARCH,2019,70(10):1389-1401.
APA	Guo, Shujin,&Sun, Xiaoxia.(2019).Concentrations and distribution of transparent exopolymer particles in a eutrophic coastal sea: a case study of the Changjiang (Yangtze River) estuary.MARINE AND FRESHWATER RESEARCH,70(10),1389-1401.
MLA	Guo, Shujin,et al."Concentrations and distribution of transparent exopolymer particles in a eutrophic coastal sea: a case study of the Changjiang (Yangtze River) estuary".MARINE AND FRESHWATER RESEARCH 70.10(2019):1389-1401.

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