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| Titel: |
Population Changes of Soil Microbial Communities Induced by Hydrocarbon and Heavy Metal Contamination |
| Auteur: |
Dobler, Roger Saner, Matthias Bachofen, Reinhard |
| Verschenen in: |
Bioremediation journal |
| Paginering: | Jaargang 4 (2000) nr. 1 pagina's 41-56 |
| Jaar: |
2000 |
| Inhoud: |
Substrate utilization tests with Biolog® plates were used to obtain information on shifts in community composition and on changes in the metabolic diversity and activity of microorganisms in soil polluted with hydrocarbons. and/or heavy metals. Differences between the patterns of substrate utilization of endogenous microorganisms of pristine and contaminated soils were investigated by multivariate analysis. Population changes and shifts in metabolic diversity were observed both after hydrocarbon pollution or heavy metal contamination. The overall activity on the 95 Biolog® Gram-negative (GN) substrates correlated well with the respiration rate of the soil. Soils contaminated with hydrocarbons showed higher metabolic potentials than the corresponding controls. In contrast, heavy metal pollution caused both lower metabolic activity and a loss in diversity. The Biolog® assay was found to be suitable to describe changes in functional diversity of soils caused by hydrocarbon contamination or heavy metal stress. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 7 van 7 gevonden artikelen
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