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Sökning: WFRF:(Förlin Lars 1950 ) > Balk L.

  • Resultat 1-3 av 3
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  • Bardiene, J., et al. (författare)
  • Environmental mutagenesis in different zones of the Baltic Sea
  • 2005
  • Ingår i: Acta Zoologica Lituanica. - 1392-1657. ; 15:2, s. 90-95
  • Tidskriftsartikel (refereegranskat)abstract
    • Abstract. Environmental mutagenesis was assessed in fish from the selected coastal areas of the Baltic Sea–Kvadofjarden and the Stockholm archipelago (Sweden), the Klaipëda–Bûtingë zone (Lithuania), the Gulf of Gdansk (Poland) and the Wismar Bay (Germany). The frequency of micronuclei, as markers of cytogenetic damage, was evaluated in erythrocytes of 911 flounder (Platichthys flesus), 332 perch (Perca fluviatilis) and 458 eelpout (Zoarces viviparus) specimens. Fish was collected during bi-annual sampling campaigns performed in 2001 and 2002. Statistically significant differences (p < 0.0001) regarding season and sampling location were recorded. The highest values of cytogenetic damage were registered in flounder from the Lithuanian coast near Palanga (autumn 2001) and from the Wismar Bay (spring 2001), in perch from the Lithuanian coast near Nemirseta (autumn 2001) and in eelpout from the Wismar Bay (autumn 2001). These values are 5–10-fold higher than the baseline level of micronucleus incidence. In general, the decrease in environmental mutagenesis was observed in 2002. Nevertheless a significant increase in micronucleus levels was determined in fish after the oil spill in the Bûtingë oil terminal
  • Sturve, Joachim, 1966-, et al. (författare)
  • Effects of an oil spill in a harbor assessed using biomarkers of exposure in eelpout
  • 2014
  • Ingår i: Environmental Science and Pollution Research. - 0944-1344. ; 21:24, s. 13758-13768
  • Tidskriftsartikel (refereegranskat)abstract
    • 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.
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  • Resultat 1-3 av 3

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