Biogeosciences
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Articles | Volume 12, issue 9
Articles | Volume 12, issue 9
https://doi.org/10.5194/bg-12-2737-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-12-2737-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 12, issue 9
Research article
 | 
11 May 2015
Research article |  | 11 May 2015

Dynamic C and N stocks – key factors controlling the C gas exchange of maize in heterogenous peatland

M. Pohl, M. Hoffmann, U. Hagemann, M. Giebels, E. Albiac Borraz, M. Sommer, and J. Augustin

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Short summary
Dynamic SOC and N stocks in the aerobic zone play a key role in the regulation of plant- and microbially mediated CO2 and CH4 fluxes in drained and cultivated fen peatlands. Their interaction with the groundwater level (GWL) strongly influenced soil C gas exchange, indicating effects of GWL-dependent N availability on C formation and transformation processes in the plant--soil system. In contrast, static SOC and N stocks showed no significant effect on C gas fluxes.
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