期刊
MARINE POLLUTION BULLETIN
卷 76, 期 1-2, 页码 178-186出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2013.09.006
关键词
Petroleum; Hydrocarbons; Bioaccumulation model; Absorption; Elimination; Bioconcentration factor
资金
- Norwegian Research Council (NRC) through the PETROMAKS program (BIP project) [ES468602]
- NRC
- BP Exploration Operating Company Limited
- ConocoPhillips Skandinavia
- ExxonMobil Upstream Research Company
- Eni Norway
- Shell Technology Norway
- Statoil Petroleum
- Total MP Norway
Crude oil poses a risk to marine ecosystems due to its toxicity and tendency to accumulate in biota. The present study evaluated the applicability of the OMEGA model for estimating oil accumulation in aquatic species by comparing model predictions of kinetic rates (absorption and elimination) and bioconcentration factors (BCF) with measured values. The model was a better predictor than the means of the measurements for absorption and elimination rate constants, but did not outperform the mean measured BCF. Model estimates and measurements differed less than one order of magnitude for 91%, 80% and 61% of the absorption and elimination rates and BCFs of all oil constituents, respectively. Of the potentially modifying factors: exposure duration, biotransformation, molecular mass, and water temperature, the last two tended to influence the performance of the model. Inclusion of more explanatory variables in the bioaccumulation model, like the molecular mass, is expected to improve model performance. (C) 2013 Elsevier Ltd. All rights reserved.
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