Biogeosciences
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Articles | Volume 22, issue 3
Articles | Volume 22, issue 3
https://doi.org/10.5194/bg-22-767-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-22-767-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 22, issue 3
Research article
 | 
12 Feb 2025
Research article |  | 12 Feb 2025

Influence of minor hydrocarbon seepage on sulfur cycling in marine subsurface sediments

Ellen Schnabel, Aurèle Vuillemin, Cédric C. Laczny, Benoit J. Kunath, André R. Soares, Alexander J. Probst, Rolando Di Primio, Jens Kallmeyer, and the PROSPECTOMICS Consortium

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Short summary
This study analysed marine sediment samples from areas with and without minimal hydrocarbon seepage from reservoirs underneath. Depth profiles of dissolved chemical components in the pore water and molecular biological data revealed differences in microbial community composition and activity. These results indicate that even minor hydrocarbon seepage affects sedimentary biogeochemical cycling in marine sediments, potentially providing a new tool for the detection of hydrocarbon reservoirs.
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