Articles | Volume 12, issue 1
https://doi.org/10.5194/soil-12-599-2026
https://doi.org/10.5194/soil-12-599-2026
Original research article
 | 
12 May 2026
Original research article |  | 12 May 2026

Vulnerability of carbon in subalpine soils in the face of warmer temperatures

Dario Püntener, Philipp Zürcher, Tatjana C. Speckert, Carrie L. Thomas, and Guido L. B. Wiesenberg

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SOIL, 11, 991–1006, https://doi.org/10.5194/soil-11-991-2025,https://doi.org/10.5194/soil-11-991-2025, 2025
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Cited articles

Abdalla, K., Schierling, L., Sun, Y., Schuchardt, M. A., Jentsch, A., Deola, T., Wolff, P., Kiese, R., Lehndorff, E., Pausch, J., and Meyer, N.: Temperature sensitivity of soil respiration declines with climate warming in subalpine and alpine grassland soils, Biogeochemistry, 167, 1453–1467, https://doi.org/10.1007/s10533-024-01179-3, 2024. a, b
Abiven, S. and Andreoli, R.: Charcoal does not change the decomposition rate of mixed litters in a mineral cambisol: a controlled conditions study, Biol. Fertil. Soils, 47, 111–114, https://doi.org/10.1007/s00374-010-0489-1, 2011. a, b
Adekanmbi, A. A., Shu, X., Zou, Y., and Sizmur, T.: Legacy effect of constant and diurnally oscillating temperatures on soil respiration and microbial community structure, Eur. J. Soil Sci., 73, https://doi.org/10.1111/ejss.13319, 2022. a
Alster, C. J., van de Laar, A., Goodrich, J. P., Arcus, V. L., Deslippe, J. R., Marshall, A. J., and Schipper, L. A.: Quantifying thermal adaptation of soil microbial respiration, Nat. Commun., 14, 5459, https://doi.org/10.1038/s41467-023-41096-x, 2023. a
Bai, Y., Peng, Y., Zhang, D., Yang, G., Chen, L., Kang, L., Zhou, W., Wei, B., Xie, Y., and Yang, Y.: Heating up the roof of the world: tracing the impacts of in-situ warming on carbon cycle in alpine grasslands on the Tibetan Plateau, Natl. Sci. Rev., 12, nwae371, https://doi.org/10.1093/nsr/nwae371, 2025. a, b
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Short summary
We studied how warmer temperatures affect carbon stored in mountain soils. In a year-long experiment with forest and pasture soils, we found that even moderate warming sped up the breakdown of plant material and soil carbon. Microorganisms became less efficient at higher temperatures. This means that rising temperatures could cause mountain soils to release more carbon, reinforcing climate change.
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