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

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

doi:https://doi.org/10.5194/bg-12-2737-2015

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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Final revised paper (published on 11 May 2015)
Supplement to the final revised paper
Preprint (discussion started on 26 Nov 2014)
Supplement to the preprint

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC C8035: 'BG-2014-471', Anonymous Referee #2, 13 Jan 2015
- AC C9226: 'Response to the comments of reviewer#2', Madlen Pohl, 30 Mar 2015
RC C8830: 'Referees comment', Anonymous Referee #3, 20 Feb 2015
- AC C9227: 'Response to the comments of reviewer #3', Madlen Pohl, 30 Mar 2015

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Madlen Pohl on behalf of the Authors (01 Apr 2015) Author's response Manuscript

ED: Publish as is (04 Apr 2015) by Yakov Kuzyakov

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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.