Articles | Volume 17, issue 23
Biogeosciences, 17, 6247–6270, 2020
https://doi.org/10.5194/bg-17-6247-2020
Biogeosciences, 17, 6247–6270, 2020
https://doi.org/10.5194/bg-17-6247-2020

Research article 10 Dec 2020

Research article | 10 Dec 2020

Water flow controls the spatial variability of methane emissions in a northern valley fen ecosystem

Hui Zhang et al.

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Short summary
We studied the impact of a stream on peatland microhabitats and CH4 emissions in a northern boreal fen. We found that there were higher water levels, lower peat temperatures, and greater oxygen concentrations close to the stream; these supported the highest biomass production but resulted in the lowest CH4 emissions. Further from the stream, the conditions were drier and CH4 emissions were also low. CH4 emissions were highest at an intermediate distance from the stream.
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