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Effects of an oil spill in a harbor assessed using biomarkers of exposure in eelpout
Stockholm University, Faculty of Science, Department of Applied Environmental Science (ITM).
Stockholm University, Faculty of Science, Department of Applied Environmental Science (ITM).
Stockholm University, Faculty of Science, Department of Applied Environmental Science (ITM).
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Number of Authors: 62014 (English)In: Environmental science and pollution research international, ISSN 0944-1344, E-ISSN 1614-7499, Vol. 21, no 24, p. 13758-13768Article in journal (Refereed) Published
Abstract [en]

Oil spills occur commonly, and chemical compounds originating from oil spills are widespread in the aquatic environment. In order to monitor effects of a bunker oil spill on the aquatic environment, biomarker responses were measured in eelpout (Zoarces viviparus) sampled along a gradient in Goteborg harbor where the oil spill occurred and at a reference site, 2 weeks after the oil spill. Eelpout were also exposed to the bunker oil in a laboratory study to validate field data. The results show that eelpout from the Goteborg harbor are influenced by contaminants, especially polycyclic aromatic hydrocarbons (PAHs), also during normal conditions. The bunker oil spill strongly enhanced the biomarker responses. Results show elevated ethoxyresorufin-O-deethylase (EROD) activities in all exposed sites, but, closest to the oil spill, the EROD activity was partly inhibited, possibly by PAHs. Elevated DNA adduct levels were also observed after the bunker oil spill. Chemical analyses of bile revealed high concentrations of PAH metabolites in the eelpout exposed to the oil, and the same PAH metabolite profile was evident both in eelpout sampled in the harbor and in the eelpout exposed to the bunker oil in the laboratory study.

Place, publisher, year, edition, pages
2014. Vol. 21, no 24, p. 13758-13768
Keywords [en]
Oil spill, Polycyclic aromatic hydrocarbons, Eelpout, Biomarkers, EROD, DNA adducts
National Category
Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:su:diva-160571DOI: 10.1007/s11356-014-2890-zISI: 000345314500007PubMedID: 24819434OAI: oai:DiVA.org:su-160571DiVA, id: diva2:1254765
Available from: 2018-10-10 Created: 2018-10-10 Last updated: 2018-10-10Bibliographically approved

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Sturve, JoachimBalk, LennartLiewenborg, BirgittaAdolfsson-Erici, MargarethaCarney Almroth, Bethanie
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