Fluxes of CH4, N2O, and kinetics of denitrification in disturbed and undisturbed forest soil in India

Raut, N., Sitaula, B. K., Bakken, L. R. and Dörsch, P. 2014. Fluxes of CH₄, N₂O, and kinetics of denitrification in disturbed and undisturbed forest soil in India. Can. J. Soil Sci. 94: 237–249. Soil disturbance due to grazing has been severe in Indian forests. This may alter ecosystem functi...

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Published in:Canadian journal of plant science 2014, Vol.94 (2), p.237-249
Main Authors: Raut, Nani, Bishal K. Sitaula, Lars R. Bakken, Peter Dörsch
Format: Article
Language:English
Subjects:
denitrification
disturbed soils
ecosystems
forest soils
forests
global warming
global warming potential
grazing
greenhouse gas emissions
incubation experiment
methane
nitrogen
nitrous oxide
respiratory rate
soil pH
soil sampling
stoichiometry
Western Ghats
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Summary:Raut, N., Sitaula, B. K., Bakken, L. R. and Dörsch, P. 2014. Fluxes of CH₄, N₂O, and kinetics of denitrification in disturbed and undisturbed forest soil in India. Can. J. Soil Sci. 94: 237–249. Soil disturbance due to grazing has been severe in Indian forests. This may alter ecosystem functions such as the cycling of nitrogen, and may hence affect the emission of greenhouse gases. We measured fluxes of CH₄ and N₂O with a closed chamber technique throughout one year in a forest of Western Ghats, Karnataka state, southwest India and determined the product stoichiometry of denitrification under standard anoxic incubations in soil samples from disturbed and undisturbed forest. In both areas, there was a net flux of CH₄ from the atmosphere to the soil, and the undisturbed forest soil was a stronger sink for CH₄ than the disturbed (P
ISSN:1918-1833
1918-1833