Spatiotemporal variation of paralytic shellfish toxins in the sea area adjacent to the Changjiang River estuary

doi:10.1016/j.envpol.2019.113730

	Spatiotemporal variation of paralytic shellfish toxins in the sea area adjacent to the Changjiang River estuary
	Liu, Yang1,3 ; Dai, Li 1,3; Chen, Zhen-Fan 1,3; Geng, Hui-Xia1,2,3 ; Lin, Zhuo-Ru 1,3; Zhao, Yue 1,3; Zhou, Zheng-Xi1,2,3 ; Kong, Fan-Zhou1,2,3 ; Yu, Ren-Cheng 1,2,3,4; Zhou, Ming-Jiang 1,2,3
	2020-04-01
发表期刊	ENVIRONMENTAL POLLUTION
ISSN	0269-7491
卷号	259 页码:8
通讯作者	Yu, Ren-Cheng(rcyu@qdio.ac.cn)
摘要	The Changjiang (Yangtze River) River estuary (CRE) and its adjacent coastal waters is a notable region for nutrient pollution, which results in severe problems of coastal eutrophication and harmful algal blooms (HABs). The occurrence of HABs, particularly those of dinoflagellate Alexandrium spp. capable of producing paralytic shellfish toxins (PSTs), has an increasing risk of contaminating seafood and poisoning human-beings. The investigation of PSTs, however, is often hampered by the relatively low abundance of Alexandrium spp. present in seawater. In this study, a monitoring strategy of PSTs using net-concentrated phytoplankton from a large volume of seawater was employed to examine spatiotemporal variations of PSTs in the CRE and its adjacent waters every month from February to September in 2015. Toxins in concentrated phytoplankton samples were analyzed using high-performance liquid chromatography coupled with a fluorescence detector (HPLC-FLD). The results showed that PSTs could be detected in phytoplankton samples during the sampling stage in the CRE and its adjacent waters. Toxin content increased gradually from February to May, reached the peak in June, and then decreased rapidly from July to September. The maximum value of PST content was 215 nmol m(-3) in June. Low-potency toxins N-sulfocarbamoyl toxins 1/2 (C1/2) were the most dominant components of PST in phytoplankton samples from February to June in 2015, while high-potency gonyautoxin 4 (GTX4) became the dominant component from July to September. Toxins were mainly detected from three regions, the sea area north to the CRE, the sea area east to the CRE, and sea area near Zhoushan Island south to the CRE. Based on the results of this study, it can be inferred that the three regions around the CRE in May and June is of high risk for PST contamination and seafood poisoning. (C) 2019 Elsevier Ltd. All rights reserved.
关键词	Paralytic shellfish toxins Harmful algal bloom High-performance liquid chromatography Changjiang river estuary Seasonal variation
DOI	10.1016/j.envpol.2019.113730
收录类别	SCI
语种	英语
资助项目	National Key R&D Programs of China[2017YFC1600701] ; National Key R&D Programs of China[2016YFE0101500] ; National Key R&D Programs of China[2017YFC1404304] ; Ministry of Science and Technology (MoST) ; Natural Science Foundation of China (NSFC)[U1406404] ; Natural Science Foundation of China (NSFC)[41806143] ; Qingdao National Laboratory for Marine Science and Technology[2016ASKJ02] ; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology[LMEES201806]
WOS研究方向	Environmental Sciences & Ecology
WOS类目	Environmental Sciences
WOS记录号	WOS:000528534600111
出版者	ELSEVIER SCI LTD
引用统计	被引频次：11[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/337002/167389
专题	海洋生态与环境科学重点实验室
通讯作者	Yu, Ren-Cheng
作者单位	1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China 2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100039, Peoples R China 4.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China
第一作者单位	海洋生态与环境科学重点实验室
通讯作者单位	海洋生态与环境科学重点实验室; 中国科学院海洋大科学研究中心
推荐引用方式 GB/T 7714	Liu, Yang,Dai, Li,Chen, Zhen-Fan,et al. Spatiotemporal variation of paralytic shellfish toxins in the sea area adjacent to the Changjiang River estuary[J]. ENVIRONMENTAL POLLUTION,2020,259:8.
APA	Liu, Yang.,Dai, Li.,Chen, Zhen-Fan.,Geng, Hui-Xia.,Lin, Zhuo-Ru.,...&Zhou, Ming-Jiang.(2020).Spatiotemporal variation of paralytic shellfish toxins in the sea area adjacent to the Changjiang River estuary.ENVIRONMENTAL POLLUTION,259,8.
MLA	Liu, Yang,et al."Spatiotemporal variation of paralytic shellfish toxins in the sea area adjacent to the Changjiang River estuary".ENVIRONMENTAL POLLUTION 259(2020):8.

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