Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/20709
Title: Levels and bioaccumulation of organochlorine pesticides (OCPs) and polybrominated diphenyl ethers (PBDEs) in fishes from the Pearl River estuary and Daya Bay, South China
Authors: Guo, L
Qiu, Y
Zhang, G
Zheng, GJ
Lam, PKS
Li, X 
Keywords: Daya Bay
Fishes
Organochlorine pesticides (OCPs)
Pearl River estuary
Polybrominated diphenyl ethers (PBDEs)
South China
Issue Date: 2008
Publisher: Pergamon Press
Source: Environmental pollution, 2008, v. 152, no. 3, p. 604-611 How to cite?
Journal: Environmental pollution 
Abstract: Fifty fish samples were collected from the Pearl River estuary (PRE) and Daya Bay, South China and were analyzed for DDTs, HCHs, chlordanes and polybrominated biphenyl ethers (PBDEs). Except the high concentrations of DDT observed in fishes, the concentrations of HCHs, chlordanes and PBDEs were low when compared to other regions. BDE-47 was the predominant PBDE congener and the BDE-209 concentrations were relatively low, despite its high concentration in surface sediments. The absence of significant increase of DDT, HCH, chlordane and PBDE concentrations towards higher δ15N values, as well as the lack of a significant correlation (p < 0.1) between log concentrations (lipid normalized) and δ15N, may indicate a weak biomagnification of these chemicals in the food webs. Good agreement was observed between their concentrations and lipid contents of the organisms. Bioconcentration was suggested to be responsible for the accumulation of OCPs and PBDEs in the lower trophic organisms in the studied subtropical waters.
URI: http://hdl.handle.net/10397/20709
ISSN: 0269-7491
EISSN: 1873-6424
DOI: 10.1016/j.envpol.2007.06.067
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