Biogeosciences
Biogeosciences
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Articles | Volume 22, issue 24
Articles | Volume 22, issue 24
https://doi.org/10.5194/bg-22-8031-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-22-8031-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 22, issue 24
Research article
 | 
16 Dec 2025
Research article |  | 16 Dec 2025

Dynamics and environmental drivers of methane and nitrous oxide fluxes at the soil and ecosystem levels in a wet tropical forest

Laëtitia M. Bréchet, Mercedes Ibáñez, Robert B. Jackson, Benoît Burban, Clément Stahl, Damien Bonal, and Ivan A. Janssens

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Short summary
Net ecosystem and soil fluxes of the greenhouse gases methane (CH4) and nitrous oxide (N2O) were measured in a wet tropical forest. The measurements covered a 26-month period including contrasting seasons. The forest absorbed CH4 during the driest season, and emitted it during the wettest season, while consistently emitting N2O. The studied upland soils consistently absorb CH4 but emit N2O. Statistical models identified soil water content as one of the key drivers of these greenhouse gas fluxes.
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