Journal
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
Volume 73, Issue 4, Pages 559-564Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ecoenv.2009.12.030
Keywords
Polycyclic aromatic hydrocarbons; High mountain lakes; Toxic effects; Estrogenic effects; Activity to AhR binding; Sediment quality guidelines; Toxic equivalent factors
Categories
Funding
- EU [GOCE-CT-2003-505540, FP7-ENV-2008-1-226534, CSD2007-00067]
- Santander-Central-Hispano
- CSIC
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Sediment quality guidelines and toxic equivalent factors have been used for assessment of the toxicity of sedimentary long-range atmospherically transported polycyclic aromatic hydrocarbons (PAHs) to the organisms living in high mountain European lakes. This method has provided indices that are consistent with experimental studies evaluating in situ sedimentary estrogenic activity or physiological response to AhR binding in fish from the same lakes. All examined lakes in north, central, west, northeast and southeast European mountains have shown sedimentary PAH concentrations that are above thresholds of no effect but only those situated in the southeast lakes district exhibited concentrations above the indices of probable effects. These mountains, Tatras, are also those having PAH concentrations of highest activity for AhR binding. Chrysene+triphenylene, dibenz[a]anthracene, benzo[k]fluoranthene and indeno[1,2,3-cd]pyrene are the main compounds responsible for the observed toxic effects. (C) 2010 Elsevier Inc. All rights reserved.
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