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First evaluation of legacy persistent organic pollutant contamination status of stranded Yangtze finless porpoises along the Yangtze River Basin, China
Zhang, Kai1,2; Qian, Zhengyi1,4; Ruan, Yuefei2; Hao, Yujiang1; Dong, Weiwei5; Li, Ke3; Mei, Zhigang1; Wang, Kexiong1; Wu, Chenxi1; Wu, Jianhong3; Zheng, Jinsong1; Lam, Paul K. S.2; Wang, Ding1
2020-03-25
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume710Issue:1Pages:8
Abstract

Yangtze finless porpoises (Neophocaena asiaeorientalis asiaeorientalis), inhabiting the Yangtze River, are an endangered species in China. They are threatened by various kinds of pollutants, among which persistent organic pollutants (POPs) are of special concern due to their toxicities, high persistency and bioaccumulation potential. To better understand the POP contamination status of Yangtze finless porpoises, an investigation of stranded porpoises along the Yangtze River and adjacent two major lakes in the Yangtze River basin was conducted; the concentrations of four groups of legacy POPs, i.e., hexachlorocydohexanes (HCHs),dichlorodiphenyltrichloroethanes (DDTs), polybrominated diphenyl ethers (PBDEs), and polychlorinated biphenyl (PCBs), were determined in the blubber samples. The mean concentrations of Sigma HCHs (the sum of all congeners/isomers), Sigma DDTs, Sigma BDEs and Sigma PCBs, were 1670 +/- 4210, 28,800 +/- 52,300, 141 +/- 174, and 1020 +/- 1070 ng/g lipid weight, respectively; the high DDTs/PCBs ratio reflected a strong influence of agricultural pollution in the Yangtze River basin, and the high alpha/gamma ratio of HCH isomers indicated the usage of lindane in the corresponding areas: the predominance of low-brominated congeners of PBDEs may be related to congruent patterns in the related environmental matrices. A hazard quotient risk assessment revealed that DDTs could pose a relatively high risk to Yangtze finless por- poises compared with the risks posed by the other POPs. (C) 2019 Published by Elsevier B.V.

KeywordHexachlorocyclohexane Dichlorodiphenyltrichloroethane Polybrominated diphenyl ethers Polychlorinated biphenyl Risk assessment
DOI10.1016/j.scitotenv.2019.136446
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000511088800061
WOS KeywordPOLYBROMINATED DIPHENYL ETHERS ; DOLPHINS TURSIOPS-TRUNCATUS ; SOUTHERN NORTH-SEA ; POLYCHLORINATED-BIPHENYLS ; HARBOR PORPOISES ; ORGANOCHLORINE PESTICIDES ; PHOCOENA-PHOCOENA ; SURFACE SEDIMENTS ; NEOPHOCAENA-PHOCAENOIDES ; TIBETAN PLATEAU
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/35007
Collection水生生物多样性与资源保护研究中心_期刊论文
Corresponding AuthorWu, Jianhong; Zheng, Jinsong
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, 7 Donghu South Rd, Wuhan 430072, Wuchang Distric, Peoples R China
2.City Univ Hong Kong, State Key Lab Marine Pollut, Kowloon, 83 Tat Chee Ave, Hong Kong, Peoples R China
3.Wuhan Inst Drug & Med Device Control, 666 Gaoxin Ave, Wuhan 430075, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Bengbu Med Coll, Bengbu 233030, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Kai,Qian, Zhengyi,Ruan, Yuefei,et al. First evaluation of legacy persistent organic pollutant contamination status of stranded Yangtze finless porpoises along the Yangtze River Basin, China[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2020,710(1):8.
APA Zhang, Kai.,Qian, Zhengyi.,Ruan, Yuefei.,Hao, Yujiang.,Dong, Weiwei.,...&Wang, Ding.(2020).First evaluation of legacy persistent organic pollutant contamination status of stranded Yangtze finless porpoises along the Yangtze River Basin, China.SCIENCE OF THE TOTAL ENVIRONMENT,710(1),8.
MLA Zhang, Kai,et al."First evaluation of legacy persistent organic pollutant contamination status of stranded Yangtze finless porpoises along the Yangtze River Basin, China".SCIENCE OF THE TOTAL ENVIRONMENT 710.1(2020):8.
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