Articles | Volume 18, issue 24
Biogeosciences, 18, 6533–6546, 2021
https://doi.org/10.5194/bg-18-6533-2021
Biogeosciences, 18, 6533–6546, 2021
https://doi.org/10.5194/bg-18-6533-2021

Research article 21 Dec 2021

Research article | 21 Dec 2021

Fractionation of stable carbon isotopes during acetate consumption by methanogenic and sulfidogenic microbial communities in rice paddy soils and lake sediments

Ralf Conrad et al.

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on bg-2021-203', Anonymous Referee #2, 22 Sep 2021
    • AC1: 'Reply on RC1', Ralf Conrad, 22 Oct 2021
  • RC2: 'Comment on bg-2021-203', Anonymous Referee #1, 28 Sep 2021
    • AC2: 'Reply on RC2', Ralf Conrad, 22 Oct 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (08 Nov 2021) by Luo Yu
AR by Ralf Conrad on behalf of the Authors (12 Nov 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (15 Nov 2021) by Luo Yu
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Short summary
Acetate is an important intermediate during the anaerobic degradation of organic matter. It is consumed by methanogenic and sulfidogenic microorganisms accompanied by stable carbon isotope fractionation. We determined isotope fractionation under different conditions in two paddy soils and two lake sediments and also determined the composition of the microbial communities. Despite a relatively wide range of experimental conditions, the range of fractionation factors was quite moderate.
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