Articles | Volume 17, issue 3
Biogeosciences, 17, 667–682, 2020
https://doi.org/10.5194/bg-17-667-2020
Biogeosciences, 17, 667–682, 2020
https://doi.org/10.5194/bg-17-667-2020

Research article 10 Feb 2020

Research article | 10 Feb 2020

Low methane emissions from a boreal wetland constructed on oil sand mine tailings

M. Graham Clark et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (03 Dec 2019) by Tina Treude
AR by M. Graham Clark on behalf of the Authors (05 Dec 2019)  Author's response    Manuscript
ED: Publish subject to technical corrections (07 Jan 2020) by Tina Treude
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Short summary
Natural and restored wetlands typically emit methane to the atmosphere. However, we found that a wetland constructed after oil sand mining in boreal Canada using organic soils from local peatlands had negligible emissions of methane in its first 3 years. Methane production was likely suppressed due to an abundance of alternate inorganic electron acceptors. Methane emissions may increase in the future if the alternate electron acceptors continue to decrease.
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