期刊
ENVIRONMENTAL POLLUTION
卷 220, 期 -, 页码 1244-1250出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2016.11.009
关键词
Bioaccumulation; Depuration; PAH; Mussel; Kinetics; Model
资金
- Istanbul Technical University, Faculty of Naval Architecture and Ocean Engineering, Ecotoxicology Research and Education Laboratory
- Helmholtz Zentrum Munchen, German Research Center for Environmental Health (GmbH), Molecular EXposomics (MEX) Laboratory
- University of Osnabruck, Institute of Environmental Systems Research
- Council of Higher Education in Turkey
Polycyclic aromatic hydrocarbons (PAHs) are important organic pollutants in the aquatic environment due to their persistence and bioaccumulation potential both in organisms and in sediments. Benzo(a) anthracene (BaA) and phenanthrene (PHE), which are in the priority pollutant list of the U.S. EPA (Environmental Protection Agency), are selected as model compounds of the present study. Bioaccumulation and depuration experiments with local Mediterranean mussel species, Mytilus galloprovincialis were used as the basis of the study. Mussels were selected as bioindicator organisms due to their broad geographic distribution, immobility and low enzyme activity. Bioaccumulation and depuration kinetics of selected PAHs in Mytilus galloprovincialis were described using first order kinetic equations in a three compartment model. The compartments were defined as: (1) biota (mussel), (2) surrounding environment (seawater), and (3) algae (Phaeodactylum tricornutum) as food source of the mussels. Experimental study had been performed for three different concentrations. Middle concentration of the experimental data was used as the model input in order to represent other high and low concentrations of selected PAHs. Correlations of the experiment and model data revealed that they are in good agreement. Accumulation and depuration trend of PAHs in mussels regarding also the durations can be estimated effectively with the present study. Thus, this study can be evaluated as a supportive tool for risk assessment in addition to monitoring studies. (C) 2016 Elsevier Ltd. All rights reserved.
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