Biogeosciences
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Articles | Volume 22, issue 17
Articles | Volume 22, issue 17
https://doi.org/10.5194/bg-22-4467-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-22-4467-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 22, issue 17
Research article
 | 
10 Sep 2025
Research article |  | 10 Sep 2025

Temporal dynamics of CH4 emission pathways in the subsaline reed wetland of Lake Neusiedl

Pamela Alessandra Baur, Thiago Rodrigues-Oliveira, Karin Hager, Zhen-Hao Luo, Christa Schleper, and Stephan Glatzel

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Short summary
In the subsaline reed wetland of Lake Neusiedl, we found the highest CH4 emissions in summer and via plant-mediated transport in each season. A clear diel cycle of CH4 emission was only identified for plant-mediated transport in summer. The isotopic source signature of CH4 differed between seasons, with the most 13C-depleted signature in fall. Desiccation reduced methanogenic diversity in the sediments and resulted in a marked increase in and dominance of the O2-tolerant Methanomicrobiales.
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