Risk of weathered residual Exxon Valdez oil to pink salmon embryos in Prince William Sound
| Autor: | Mathew A. Cronin, Lawrence L. Moulton, Keith R. Parker, Keya M. Collins, Ernest L. Brannon, William Wilson |
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| Rok vydání: | 2007 |
| Předmět: |
Embryo
Nonmammalian Health Toxicology and Mutagenesis Residual oil Intertidal zone Polycyclic aromatic hydrocarbon Disasters chemistry.chemical_compound Salmon Environmental Chemistry Animals Polycyclic Aromatic Hydrocarbons Incubation Sound (geography) Ovum chemistry.chemical_classification geography geography.geographical_feature_category Sediment Environmental Exposure Fishery Hydrocarbon Petroleum chemistry Environmental chemistry Environmental science Environmental Pollutants Alaska Environmental Monitoring |
| Zdroj: | Environmental toxicology and chemistry. 26(4) |
| ISSN: | 0730-7268 |
| Popis: | It has been hypothesized that pink salmon eggs incubating in intertidal streams transecting Prince William Sound (PWS) beaches oiled by the Exxon Valdez oil spill were exposed to lethal doses of dissolved hydrocarbons. Since polycyclic aromatic hydrocarbon (PAH) levels in the incubation gravel were too low to cause mortality, the allegation is that dissolved high-molecular-weight hydrocarbons (HPAH) leaching from oil deposits on the beach adjacent to the streams were the source of toxicity. To evaluate this hypothesis, we placed pink salmon eggs in PWS beach sediments containing residual oil from the Exxon Valdez oil spill and in control areas without oil. We quantified the hydrocarbon concentrations in the eggs after three weeks of incubation. Tissue PAH concentrations of eggs in oiled sediments were generally |
| Databáze: | OpenAIRE |
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