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- Title
Production of nitrate spikes in a model of ammonium biodegradation.
- Authors
Moyles, I. R.; Fowler, A. C.
- Abstract
Nitrification at the site of a contaminant ammonium plume from a former coal carbonisation plant can be modelled with three competing bacterial populations of Nitrosomonas, Nitrobacter, and Brocadia anammoxidans. Oscillations of chemical species at the site can be explained by a reduced model of ammonium competition between Nitrosomonas and B. anammoxidans which effectively acts as an activator-inhibitor system. Stable oscillations occur in conditions of low nutrient (ammonium) supply and this causes a spatial travelling wave in a borehole profile when diffusion is introduced.
- Subjects
AMMONIUM compounds; HYDROGEOLOGY; NITRIFICATION; NITROSOMONAS; GRAM-negative bacteria
- Publication
Theoretical Ecology, 2018, Vol 11, Issue 3, p333
- ISSN
1874-1738
- Publication type
Article
- DOI
10.1007/s12080-018-0370-7