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Biogeosciences An interactive open-access journal of the European Geosciences Union
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BG | Articles | Volume 16, issue 19
Biogeosciences, 16, 3941–3958, 2019
https://doi.org/10.5194/bg-16-3941-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Biogeosciences, 16, 3941–3958, 2019
https://doi.org/10.5194/bg-16-3941-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 14 Oct 2019

Research article | 14 Oct 2019

Microbial community composition and abundance after millennia of submarine permafrost warming

Julia Mitzscherling et al.

Data sets

Pore water chemistry, grain sizes and sediment temperature of 4 sediment cores from submarine permafrost at Mamontov Klyk Cape, Laptev Sea shelf. J. Mitzscherling, F. Horn, M. Winterfeld, L. Mahler, J. Kallmeyer, P. P. Overduin, M. Winkel, M. N. Grigoriev, D. Wagner, and S. Liebner https://doi.pangaea.de/10.1594/PANGAEA.895292

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Short summary
Permafrost temperatures increased substantially at a global scale, potentially altering microbial assemblages involved in carbon mobilization before permafrost thaws. We used Arctic Shelf submarine permafrost as a natural laboratory to investigate the microbial response to long-term permafrost warming. Our work shows that millennia after permafrost warming by > 10 °C, microbial community composition and population size reflect the paleoenvironment rather than a direct effect through warming.
Permafrost temperatures increased substantially at a global scale, potentially altering...
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