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Atmospheric methane removal by boreal plants
Stockholm University, Faculty of Science, Department of Geological Sciences.
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2012 (English)In: Geophysical Research Letters, ISSN 0094-8276, Vol. 39, L21806- p.Article in journal (Refereed) Published
Abstract [en]

Several studies have proposed aerobic methane (CH4) emissions by plants. If confirmed, these findings would further increase the imbalance in the global CH4 budget which today underestimates CH4 sinks. Oxidation by OH-radicals in the troposphere is the major identified sink followed by smaller contribution from stratospheric loss and oxidation by methano-and methylotrophic bacteria in soils. This study directly investigated CH4 exchange by plants in their natural environment. At a forest site in central Sweden, in situ branch chamber measurements were used to study plant ambient CH4 exchange by spruce (Picea abies), birch (Betula pubescens), rowan (Sorbus aucuparia) and pine (Pinus sylvestris). The results show a net uptake of CH4 by all the studied plants, which might be of importance for the methane budget. Citation: Sundqvist, E., P. Crill, M. Molder, P. Vestin, and A. Lindroth (2012), Atmospheric methane removal by boreal plants, Geophys. Res. Lett., 39, L21806, doi:10.1029/2012GL053592.

Place, publisher, year, edition, pages
2012. Vol. 39, L21806- p.
National Category
Geosciences, Multidisciplinary
URN: urn:nbn:se:su:diva-83805DOI: 10.1029/2012GL053592ISI: 000310962400002OAI: diva2:577157


Available from: 2012-12-14 Created: 2012-12-14 Last updated: 2012-12-14Bibliographically approved

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