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Tetrabromobisphenol A and hexabromocyclododecanes in sediments from fishing ports along the coast of South China: Occurrence, distribution and ecological risk

文献类型： 外文期刊

作者： Pan, Yun-Feng 1 ; Liu, Shan 1 ; Tian, Fei 2 ; Chen, Hai-Gang 2 ; Xu, Xiang-Rong 1 ;

作者机构： 1.Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangdong Prov Key Lab Appl Marine Biol, Guangzhou 510301, Peoples R China

2.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Sci Observat & Res Field Stn Pearl River Estuary E, Guangzhou 510300, Guangdong, Peoples R China

3.Minist Agr & Rural Affairs, Sci Observing & Expt Stn South China Sea Fishery R, Guangdong Prov Key Lab Fishery Ecol & Environm, Guangzhou 510300, Peoples R China

4.Southern Marine Sci & Engn Guangdong Lab Guangzhou, Guangzhou 511458, Peoples R China

5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

关键词： Tetrabromobisphenol A; Hexabromocyclododecanes; Sediment; Fishing ports; Ecological risk assessment

期刊名称：CHEMOSPHERE （ 2021影响因子：8.943； 五年影响因子：8.52 ）

ISSN： 0045-6535

年卷期： 2022 年 302 卷

页码：

收录情况： SCI

摘要： Tetrabromobisphenol A (TBBPA) and hexabromocyclododecanes (HBCDDs) have attracted extensive attention due to their strong persistence and toxicity. However, little has been known about their pollution status in fishing ports, which are typical sinks of land-sourced pollutants. In this study, we investigated the occurrence, distribution and ecological risk of TBBPA and HBCDDs in sediments from fishing ports along the coast of South China. The concentrations of TBBPA and EHBCDD (sum of alpha-, 13-, and gamma-HBCDD) in the fishing-port sediments were in the ranges of 0.02-21.5 ng/g dw and 1.06-14.1 ng/g dw, respectively. gamma-HBCDD was the predominant diastereoisomer in most fishing-port sediments. The enantiomeric analysis indicated a preferential enrichment of (-)-enantiomers for alpha-, 13-, and gamma-HBCDD. The geographical location of fishing ports is a significant determinant of distribution for TBBPA and HBBCDs. The concentrations of TBBPA and HBCDDs in fishing-port sediments were strongly associated with local population density, but weakly correlated with total organic carbon content of the

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