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Seasonal Dynamics of Atmospheric Methane Oxidation in Gray Forest Soils |
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| Authors: | Semenov V M Kravchenko I K Kuznetsova T V Semenova N A Bykova S A Dulov L E Gal'chenko V F Pardini G Gispert M Boeckx P Van Cleemput O |
| Institution: | (1) Institute of Physicochemical and Biological Problems of Soil Science, Russian Academy of Sciences, Pushchino, Moscow oblast, 142292, Russia;(2) Winogradsky Institute of Microbiology, Russian Academy of Sciences, pr. 60-letiya Oktyabrya 7, k. 2, Moscow, 117312, Russia;(3) Girona, Spain;(4) Gent University, Gent, Belgium |
| Abstract: | Seasonal fluctuations in the methane fluxes in the soil–atmosphere system were determined for gray forest soils of Central Russia. Consumption of atmospheric methane was found to exceed methane emission in gray forest soils under forest and in the agrocenosis. The average annual rates of atmospheric methane consumption by the soil under forest and in the agrocenosis were 0.026 and 0.008 mg C-CH4/(m2 h), respectively. The annual rate of atmospheric methane oxidation in the gray forest soils of Moscow oblast was estimated to be 0.68 kton. Seasonal fluctuations in the methane oxidation activity were due to changes in the hydrothermal conditions and in the reserves of readily decomposable organic matter and mineral nitrogen, as well as to changes in the activity of methane oxidizers. |
| Keywords: | methane oxidation gray forest soil correlation analysis |
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