The relationship of bioaccumulative chemicals in water and sediment to residues in fish: A visualization approach

被引:14
作者
Burkhard, LP [1 ]
Cook, PM [1 ]
Mount, DR [1 ]
机构
[1] US EPA, Off Res & Dev, Natl Hlth & Environm Effects Res Lab, Mid Continent Ecol Div, Duluth, MN 55804 USA
关键词
bioaccumulation factor; biota-sediment accumulation factor sediment/water concentration quotient sediment/water disequilibrium;
D O I
10.1897/02-485
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
A visualization approach is developed and presented for depicting and interpreting bioaccumulation relationships and data (i.e., bioaccumulation factors [BAFs], biota-sediment accumulation factors [BSAFs], and chemical residues in fish) using water-sediment chemical concentration XY plots. The approach is based on five basic parameters that affect bioaccumulation of nonionic organic chemicals: The distribution of chemical between sediment and water, the hydrophobicity of the compound (expressed as the n-octanol/water partition coefficient, K-ow), the relationship of food chains to water and sediment, the length of the food chains, and the degree to which the chemical is metabolized. The visualization approach using water-sediment XY plots captures and visually presents the existing bioaccumulation knowledge in a form that is readily understandable from chemical, biological, and ecological aspects and, therefore, useful in the assessment, communication, and management of risk for persistent bioaccumulative toxicants.
引用
收藏
页码:2822 / 2830
页数:9
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