Derivation of dynamic reference values for the classification of contaminant concentrations in bream (Abramis brama) of German rivers and lakes using data of the Environmental Specimen Bank |
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| Affiliation: | 1. Department of Food Science and Technology, University of California, Davis, CA 95616, USA;2. Department of Biological and Agricultural Engineering, University of California, Davis, CA 95616, USA;3. Joint BioEnergy Institute, Emeryville, CA 94608, USA;4. Biological and Engineering Sciences Center, Sandia National Laboratories, Livermore, CA 94551, USA;5. Energy Efficiency Center, University of California, Davis, CA 95616, USA |
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| Abstract: | A direct assessment of contaminant concentrations in biota with respect to their biological relevance or importance for the ecosystem is rarely possible. Statistically derived reference values can serve as a guide to classify measured tissue concentrations, but they do not provide any information on the biological significance of the contaminant concentrations. However, previously such reference values did not exist for environmental-biomonitoring. Based on analytical data from muscle tissue of bream (Abramis brama) of the German Environmental Specimen Bank (ESB), we present a method on how to derive dynamic reference values. These show the general state of inland surface water pollution in Germany at a certain time. The reference values allow for classification of measured contaminant concentrations in muscle tissue of bream. This classification enables a comparative assessment in means of how the actual state of pollution in a specific ecosystem is, compared to the general, macro state of pollution. |
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