Publication: Climate warming and elevated CO2 alter peatland soil carbon sources and stability
Climate warming and elevated CO2 alter peatland soil carbon sources and stability
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Ofiti, N. O. E., Schmidt, M. W. I., Abiven, S., Hanson, P. J., Iversen, C. M., Wilson, R. M., Kostka, J. E., Wiesenberg, G. L. B., & Malhotra, A. (2023). Climate warming and elevated CO2 alter peatland soil carbon sources and stability. Nature Communications, 14(1), 7533. https://doi.org/10.1038/s41467-023-43410-z
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Peatlands are an important carbon (C) reservoir storing one-third of global soil organic carbon (SOC), but little is known about the fate of these C stocks under climate change. Here, we examine the impact of warming and elevated atmospheric CO${2}$ concentration (eCO${2}$) on the molecular composition of SOC to infer SOC sources (microbe-, plant- and fire-derived) and stability in a boreal peatland. We show that while warming alone decreased plant- and microbe-derived SOC due to enhanced decomposition, warming combined with eCO$_{2}$
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Ofiti, N. O. E., Schmidt, M. W. I., Abiven, S., Hanson, P. J., Iversen, C. M., Wilson, R. M., Kostka, J. E., Wiesenberg, G. L. B., & Malhotra, A. (2023). Climate warming and elevated CO2 alter peatland soil carbon sources and stability. Nature Communications, 14(1), 7533. https://doi.org/10.1038/s41467-023-43410-z
