Articles | Volume 16, issue 2
Biogeosciences, 16, 541–559, 2019
https://doi.org/10.5194/bg-16-541-2019
Biogeosciences, 16, 541–559, 2019
https://doi.org/10.5194/bg-16-541-2019

Research article 31 Jan 2019

Research article | 31 Jan 2019

Zero to moderate methane emissions in a densely rooted, pristine Patagonian bog – biogeochemical controls as revealed from isotopic evidence

Wiebke Münchberger et al.

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Short summary
Processes governing CH4 dynamics have been scarcely studied in southern hemispheric bogs. These can be dominated by cushion-forming plants with deep and dense roots suppressing emissions. Here we demonstrate how the spatial distribution of root activity drives a pronounced pattern of CH4 emissions, likewise also possible in densely rooted northern bogs. We conclude that presence of cushion vegetation as a proxy for negligible CH4 emissions from cushion bogs needs to be interpreted with caution.
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