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Distribution of polybrominated diphenyl ethers in the surface sediment of the East China Sea
Li, Huijuan; Lan, Jing; Li, Guoliang; Zhao, Zongshan; Jiang, Guibin
2014
Source PublicationCHINESE SCIENCE BULLETIN
ISSN1001-6538
Volume59Issue:4Pages:379-387
AbstractThe concentrations of polybrominated diphenyl ethers (PBDEs) were determined in the surface sediments of 20 locations in the East China Sea (ECS). The aPBDEs (sum of 13 PBDE congeners, without brominated diphenyl ether 209 (BDE209) ranged from 2.6 to 49 pg g(-1) (dry weight) with an average of 21 pg g(-1), which fell at the low end of the global range. The spatial distribution presented an offshore decreasing trend towards the outer shelf and along the coastline, suggesting a direct influence of the inputs by the Yangtze River. The aPBDE concentrations were influenced by the total organic carbon of the sediment, as demonstrated by their similar spatial distributions. The aC(27) + C-29 + C-31 n-alkanes concentrations and sand % reported in the literature for sediments in the ECS presented similar spatial distributions as aPBDEs, which suggests that a considerable part of aPBDEs may come from the Yangtze River and that grain size plays an important role in PBDE accumulation. The three dominant congeners were BDE28 (19.8 %), BDE47 (26.4 %), and BDE99 (16.8 %). The present study compared the congener patterns of the sedimentary PBDEs with those of commercial products. The results indicated the possible use of penta-BDE in the Yangtze River Basin in a wide range or the fractionation and transformation of PBDE congeners during their long-range transport.
Department环境化学与生态毒理学国家重点实验室
KeywordPbdes The Ecs Distribution Surface Sediments Dilution Effect
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Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/9346
Collection环境化学与生态毒理学国家重点实验室
Recommended Citation
GB/T 7714
Li, Huijuan,Lan, Jing,Li, Guoliang,et al. Distribution of polybrominated diphenyl ethers in the surface sediment of the East China Sea[J]. CHINESE SCIENCE BULLETIN,2014,59(4):379-387.
APA Li, Huijuan,Lan, Jing,Li, Guoliang,Zhao, Zongshan,&Jiang, Guibin.(2014).Distribution of polybrominated diphenyl ethers in the surface sediment of the East China Sea.CHINESE SCIENCE BULLETIN,59(4),379-387.
MLA Li, Huijuan,et al."Distribution of polybrominated diphenyl ethers in the surface sediment of the East China Sea".CHINESE SCIENCE BULLETIN 59.4(2014):379-387.
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