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- Title
The toxicity of creosote-treated wood to Pacific herring embryos and characterization of polycyclic aromatic hydrocarbons near creosoted pilings in Juneau, Alaska.
- Authors
Duncan, Danielle L.; Carls, Mark G.; Rice, Stanley D.; Stekoll, Michael S.
- Abstract
Polycyclic aromatic hydrocarbons (PAHs) from creosote exposure in the laboratory resulted in deleterious effects in developing Pacific herring ( Clupea pallasi) embryos, and potentially toxic concentrations of PAHs were measured using passive water samplers at 1 of 3 harbor field sites in Juneau, Alaska, USA. Aqueous total PAH concentrations of 4.6 μg/L and 8.4 μg/L from creosote exposure resulted in skeletal defects and ineffective swimming in hatched larvae in the laboratory (10% effective concentrations) and were the most sensitive parameters measured. Hatch rates also suffered from creosote exposure in a dose-dependent manner: at exposures between 5 μg/L and 50 μg/L total PAH, 50% of the population failed to hatch. Comparisons between laboratory and field deployed passive samplers suggested that for at least 1 harbor in Juneau, concentrations sufficient to induce teratogenic effects were found directly on creosoted pilings, within 10 cm of them, and sometimes at a distance of 10 m. Total PAH concentrations generally decreased with distance from creosoted pilings. Creosote pilings contribute to the PAH load within a marina and can rise to PAH concentrations that are harmful to fish embryos, but at a scale that is localized in the environment. Environ Toxicol Chem 2017;36:1261-1269. © 2016 SETAC
- Subjects
JUNEAU (Alaska); TOXICOLOGY of water pollution; PACIFIC herring; CREOSOTE; PHYSIOLOGICAL effects of polycyclic aromatic hydrocarbons; FISH locomotion; PHYSIOLOGY
- Publication
Environmental Toxicology & Chemistry, 2017, Vol 36, Issue 5, p1261
- ISSN
0730-7268
- Publication type
Article
- DOI
10.1002/etc.3653