Persistent organic pollutants (PCB, DDT, HCH, HCB & BDE) in eels (Anguilla anguilla) in Scotland: Current levels and temporal trends

被引：58
作者：
Macgregor, Kenneth [1 ]
Oliver, Ian W. [1 ]
Harris, Lynsay [1 ]
Ridgway, Ian M. [1 ]
机构：
[1] SEPA, Edinburgh EH14 4AP, Midlothian, Scotland
来源：
ENVIRONMENTAL POLLUTION | 2010年 / 158卷 / 07期
关键词：
Persistent organic pollutants; BDE; PCB; European eel; Biota monitoring; POLYBROMINATED DIPHENYL ETHERS; BROMINATED FLAME RETARDANTS; POLYCHLORINATED-BIPHENYLS; YELLOW EEL; BIOACCUMULATION; PESTICIDES; FLANDERS; BELGIUM; WATERS; PBDES;
D O I：
10.1016/j.envpol.2010.04.005
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Eels are an ideal biomonitor for persistent organic pollutants (POPs) because of their high lipid content, longevity and tendency to remain within a defined range during their freshwater life phase. This study investigated concentrations of POPs in eels (Anguilla anguilla) from 30 sites across Scotland, including polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (BDEs), DDT (and metabolites), hexachlorocyclohexanes (alpha, beta, gamma-HCH), hexachlorobenzene (HCB), hexachlorobutadiene (HCBD) and pentachlorobenzene. Despite its EU-wide ban similar to 30 years ago, DDT and its derivatives were detected in almost all samples. PCB 153 and 138 were the most widely detected PCB congeners, while BDE 47 was the dominant BDE. Pentachlorobenzene was not detected, while HCBD was detected once only. alpha-HCH, beta-HCH and HCB concentrations were very low (generally <3 mu g/kg or below detection). When compared with 1986 and 1995 data, the results revealed considerable decreases in p,p'-DDE concentrations. More drastic reductions were evident for gamma-HCH, reflecting the tightening restrictions on pesticide use imposed over the previous decades. (C) 2010 Elsevier Ltd. All rights reserved.
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收藏
页码：2402 / 2411
页数：10
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