Bioaccumulation and trophic transfer of polybrominated diphenyl ethers (PBDEs) in a marine food web from Liaodong Bay, North China

被引:41
|
作者
Ma, Xindong [1 ,2 ,3 ]
Zhang, Haijun [1 ]
Yao, Ziwei [2 ]
Zhao, Xiaofeng [1 ]
Wang, Longxing [1 ]
Wang, Zhen [2 ]
Chen, Jiping [1 ]
Chen, Jingwen [3 ]
机构
[1] Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
[2] Natl Marine Environm Monitoring Ctr, State Ocean Adm Key Lab Ecol Environm Coastal Are, Dalian 116023, Peoples R China
[3] Dalian Univ Technol, Sch Environm Sci & Technol, Key Lab Ind Ecol & Environm Engn, Minist Educ, Dalian 116024, Peoples R China
基金
中国国家自然科学基金;
关键词
Polybrominated diphenyl ethers; Marine food web; Biomagnification; Liaodong Bay; BROMINATED FLAME RETARDANTS; PERSISTENT ORGANIC POLLUTANTS; PEARL RIVER ESTUARY; MYTILUS-EDULIS; BLUE MUSSELS; BALTIC SEA; BIOMAGNIFICATION; TROPHODYNAMICS; ENVIRONMENT; HEXABROMOCYCLODODECANE;
D O I
10.1016/j.marpolbul.2013.07.020
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The concentrations of 21 polybrominated diphenyl ethers (PBDEs) congeners were analyzed in organisms within a marine food web collected from the Liaodong Bay, North China. The total concentrations of PBDEs in all samples ranged from 0.87 to 91.4 ng g(-1) lipid weight (lw). BDE-47 was the predominant congener and had a concentration ranging from 0.30 to 36.1 ng g(-1) lw. The trophic magnification factors (TMF) of the PBDEs were calculated using the trophic levels obtained from the stable nitrogen isotope ratios. The TMF value of Sigma PBDEs was 3.50 for the entire food web and 2.21 for the food web excluding seabirds. Four concentration ratios, BDE-99/BDE-100, BDE-99/BDE-47, BDE-153/BDE-154 and BDE-183/ BDE-154, decreased linearly with the increase of the trophic levels in the invertebrates and the fishes (p < 0.01). The results suggested that the PBDEs were steadily metabolized in the trophic transfer process along the food chain. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码:110 / 115
页数:6
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