期刊
ENVIRONMENTAL POLLUTION
卷 160, 期 -, 页码 49-56出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2011.08.049
关键词
POPS bioavailability; Artificial soil; Bioaccumulation; Earthworm; Aging
资金
- Grant Agency of the Czech Republic [GACR P503/10/0125]
- European Regional Development Fund [CZ.1.05/2.1.00/01.0001]
- Ministiy of Education of the Czech Republic [MSM 0021622412]
- City of Brno Municipality, CZ
The close relationship between soil organic matter and the bioavailability of POPs in soils suggests the possibility of using it for the extrapolation between different soils. The aim of this study was to prove that TOC content is not a single factor affecting the bioavailability of POPs and that TOC based extrapolation might be incorrect, especially when comparing natural and artificial soils. Three natural soils with increasing TOC and three artificial soils with TOC comparable to these natural soils were spiked with phenanthrene, pyrene, lindane, p,p'-DDT, and PCB 153 and studied after 0, 14, 28, and 56 days. At each sampling point, total soil concentration and bioaccumulation in earthworms Eisenia fetida were measured. The results showed different behavior and bioavailability of POPs in natural and artificial soils and apparent effects of aging on these differences. Hence, direct TOC based extrapolation between various soils seems to be limited. (C) 2011 Elsevier Ltd. All rights reserved.
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