Biomarker responses in pelagic and benthic fish over 1 year following the Hebei Spirit oil spill (Taean, Korea)
2011
Jung, Jee-Hyun | Kim, Moonkoo | Yim, Un Hyuk | Ha, Sung Yong | An, Joon Geon | Won, Jong Ho | Han, Gi Myung | Kim, Nam Sook | Addison, R. F. | Shim, Won Joon
After the Hebei Spirit oil spill incident (7th December, 2007) in the west coast of Korea, contamination of biliary PAH metabolite and hepatic biomarkers in a pelagic and a benthic fish was monitored for 1 year. Concentrations of 16 PAHs and alkylated PAHs in fish muscle were highest (22.0ng/g d.w. for 16 PAHs and 284ng/g d.w. for alkylated PAHs) at 5 days after the spill and then decreased rapidly to background levels at 11months after the spill. Fish from the oiled site had elevated biliary PAH metabolite concentrations immediately after the spill; these declined steadily in both species, but were still above reference site concentrations 2 months after the spill. Oiled-site fish showed hepatic CYP 1A induction whose trend closely followed those of biliary PAH metabolite concentrations, implying continuous exposure to PAHs. Brain acetylcholinesterase activity was not related to oil exposure.
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