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| Web URL(s): | https://dl.sciencesocieties.org/publications/jeq/pdfs/30/4/1134
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https://dl.sciencesocieties.org/publications/jeq/articles/30/4/1134
Last checked: 12/14/2016
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Kiikkilä, Oili;
Perkiömäki, Jonna;
Barnette, Matthew;
Derome, John;
Pennanen, Taina;
Tulisalo, Esa;
Fritze, Hannu |
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| Author Affiliation: | Kiikkilä, Perkiömäki, Barnette, Pennanen, and Fritze: Vantaa Research Center, Finnish Forest Research Institute, Vantaa Finland; Derome: Rovaniemi Research Station, Finnish Forest Research Institute, Rovaniemi, Finland; and Tulisalo: Department of Limnology and Environmental Protection, University of Helsinki, Finland |
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| Title: | In situ bioremediation through mulching of soil polluted by a copper - nickel smelter |
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| Section: | Bioremediation and biodegradation
Other records with the "Bioremediation and biodegradation" Section
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| Source: | Journal of Environmental Quality. Vol. 30, No. 4, July/August 2001, p. 1134-1143. |
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| Publishing Information: | Madison, Wisconsin: American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America |
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| # of Pages: | 10 |
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| Keywords: | TIC Keywords: Bioremediation; Mulching; Soil pollution; Copper; Nickel; Mulches; Heavy metals; Contamination; Soil pH; Growth rate; Resistance; Environmental pollution; Toxicity
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| Abstract/Contents: | "Bioremediation of a heavy metal-polluted soil was investigated in a 3-yr field experiment by adding mulch to a polluted forest floor. The mulch consisted of a mixture of compost and woodchips. The remediation treatment decreased the toxicity of the soil solution to bacteria as determined by the [3H]-thymidine incorporation technique, that is, by measuring the growth rate of soil bacteria extracted from unpolluted humus after exposing them to soil solution containing heavy metals from the experimental plots. Canonical correlation analysis was performed in order to identify the chemical and microbiological changes in the soil. The pH of the mulched organic layer increased by one unit. The concentration of complexed Cu increased and that of free Cu2+ decreased in the soil solution from the mulch treatment. According to basal respiration and litter decompostion, microbial activity increased during the 3 yr following the remediation treatment. The [3H]-thymidine incorporation technique was also used to study the growth rate and tolerance of bacteria to Cu. The bacterial growth rate increased and the Cu tolerance decreased on the treated plots. The structure of the microbial community, as determined by phospholipid fatty acid (PLFA) analysis, remained unchanged. The results indicate that remediation of the polluted soil had occurred, and that adding a mulch to the forest floor is a suitable method for remediating heavy metal-polluted soil." |
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| Language: | English |
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| References: | 66 |
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| Note: | Figures
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Kiikkilä, O., J. Perkiömäki, M. Barnette, J. Derome, T. Pennanen, E. Tulisalo, et al. 2001. In situ bioremediation through mulching of soil polluted by a copper - nickel smelter. J. Environ. Qual. 30(4):p. 1134-1143. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/jeq/pdfs/30/4/1134
Last checked: 12/14/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/jeq/articles/30/4/1134
Last checked: 12/14/2016
Access conditions: Item is within a limited-access website |
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MSU catalog number: S 900 .J6 |
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