Articles | Volume 23, issue 10
https://doi.org/10.5194/bg-23-3615-2026
https://doi.org/10.5194/bg-23-3615-2026
Research article
 | 
27 May 2026
Research article |  | 27 May 2026

Thawing Siberian permafrost stabilizes organic carbon from recent plant litter inputs

Christian Knoblauch, Christian Beer, and Carolina Voigt

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Short summary
Carbon release from thawing permafrost receives ample attention since it may cause rising greenhouse gas concentrations in the atmosphere. However, we demonstrate through a 9-year lasting incubation experiment that thawing permafrost stabilizes a substantial amount of fresh plant litter carbon from increasing plant productivity for decades. Although litter carbon is faster decomposed than the permafrost carbon it may contribute to the build-up of organic carbon in thawing permafrost soils.
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