Articles | Volume 15, issue 21
https://doi.org/10.5194/bg-15-6519-2018
https://doi.org/10.5194/bg-15-6519-2018
Research article
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06 Nov 2018
Research article | Highlight paper |  | 06 Nov 2018

Predominance of methanogens over methanotrophs in rewetted fens characterized by high methane emissions

Xi Wen, Viktoria Unger, Gerald Jurasinski, Franziska Koebsch, Fabian Horn, Gregor Rehder, Torsten Sachs, Dominik Zak, Gunnar Lischeid, Klaus-Holger Knorr, Michael E. Böttcher, Matthias Winkel, Paul L. E. Bodelier, and Susanne Liebner

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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (13 Jul 2018) by Tina Treude
AR by Viktoria Unger on behalf of the Authors (14 Aug 2018)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (24 Aug 2018) by Tina Treude
RR by Anonymous Referee #3 (04 Sep 2018)
RR by Anonymous Referee #2 (27 Sep 2018)
ED: Publish subject to minor revisions (review by editor) (27 Sep 2018) by Tina Treude
AR by Viktoria Unger on behalf of the Authors (04 Oct 2018)  Author's response    Manuscript
ED: Publish as is (08 Oct 2018) by Tina Treude
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Short summary
Rewetting drained peatlands may lead to prolonged emission of the greenhouse gas methane, but the underlying factors are not well described. In this study, we found two rewetted fens with known high methane fluxes had a high ratio of microbial methane producers to methane consumers and a low abundance of methane consumers compared to pristine wetlands. We therefore suggest abundances of methane-cycling microbes as potential indicators for prolonged high methane emissions in rewetted peatlands.
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