McLoughlin, Emma and Rhodes, Angela and Owen, Susan M. and Semple, Kirk T. (2009) Biogenic volatile organic compounds as a potential stimulator for organic contaminant degradation by soil microorganisms. Environmental Pollution, 157 (1). pp. 86-94. ISSN 0269-7491
Full text not available from this repository.Abstract
The effects of monoterpenes on the degradation of 14C-2,4-dichlorophenol (DCP) were investigated in soils collected from areas surrounding monoterpene and non-monoterpene-emitting vegetation. Indigenous microorganisms degraded 14C-2,4-DCP to 14CO2, after 1 d contact time. Degradation was enhanced by prior exposure of the soils to 2,4-DCP for 32 d, increasing extents of mineralisation up to 60%. Monoterpene amendments further enhanced 2,4-DCP degradation, but only following pre-exposure to both 2,4-DCP and monoterpene, with total 2,4-DCP mineralisation extents of up to 71%. Degradation was greatest at the higher monoterpene concentrations (≥1 μg kg−1). Total mineralisation extents were similar between concentrations, but higher than the control and the 0.1 μg kg−1 amendment, indicating that increases in monoterpene concentration has a diminishing enhancing effect. We suggest that monoterpenes can stimulate the biodegradation of 2,4-DCP by indigenous soil microorganisms and that monoterpene amendment in soils is an effective strategy for removing organic contaminants. A amendment of soils with monoterpenes may induce organic contaminant degradation by indigenous soil microorganisms.
| Item Type: | Article |
|---|---|
| Journal or Publication Title: | Environmental Pollution |
| Uncontrolled Keywords: | Mineralisation ; Biodegradability ; 2 ; 4-Dichlorophenol ; Monoterpenes ; α-Pinene ; Limonene ; Ageing soils |
| Subjects: | G Geography. Anthropology. Recreation > GE Environmental Sciences |
| Departments: | Faculty of Science and Technology > Lancaster Environment Centre |
| ID Code: | 30735 |
| Deposited By: | Mr Richard Ingham |
| Deposited On: | 02 Dec 2009 14:58 |
| Refereed?: | Yes |
| Published?: | Published |
| Last Modified: | 26 Jul 2012 16:49 |
| Identification Number: | |
| URI: | http://eprints.lancs.ac.uk/id/eprint/30735 |
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