Articles | Volume 21, issue 6
https://doi.org/10.5194/bg-21-1391-2024
https://doi.org/10.5194/bg-21-1391-2024
Research article
 | 
19 Mar 2024
Research article |  | 19 Mar 2024

Modelled forest ecosystem carbon–nitrogen dynamics with integrated mycorrhizal processes under elevated CO2

Melanie A. Thurner, Silvia Caldararu, Jan Engel, Anja Rammig, and Sönke Zaehle

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Cited articles

Allen, M., Swenson, W., Querejeta, J., Egerton-Warburton, L., and Treseder, K.: Ecology of mycorrhizae: a conceptual framework for complex interactions among plants and fungi, Annu. Rev. Phytopathol., 41, 271–303, 2003. a
Ames, R., Reid, C., Porter, L., and Cambardella, C.: Hyphal uptake and transport of nitrogen from two 15N-labelled sources by Glomus mosseae, a vesicular-arbuscular mycorrhizal fungus, New Phytol., 95, 381–396, 1983. a
Braghiere, R. K., Fisher, J. B., Fisher, R. A., Shi, M., Steidinger, B., Sulman, B. N., Soudzilovskaia, N. A., Yang, X., Liang, J., Peay, K. G., Crowther, T. W., and Phillips, R. P.: Mycorrhizal distributions impact global patterns of carbon and nutrient cycling, Geophys. Res. Lett., 48, e2021GL094514, https://doi.org/10.1029/2021GL094514, 2021. a
Braghiere, R. K., Fisher, J., Fisher, R. A., Shi, M., Steidinger, B. N., Sulman, B. N., Soudzilovskaia, N., Yang, X., Liang, J., Peay, K. G., Crowther, T. W., and Phillips, R. P.: Climate change impacts on mycorrhizae amplify nitrogen limitation on global plant growth, Authorea [preprint], https://doi.org/10.1029/2021GL094514, 2022. a, b
Brzostek, E., Rebel, K., Smith, K., and Phillips, R.: Integrating mycorrhizas into global scale models: A journey toward relevance in the earth’s climate system, in: Mycorrhizal mediation of soil, edited by: Johnson, N. C., Gehring, C., and Jansa, J., 479–499, Elsevier, https://doi.org/10.1016/B978-0-12-804312-7.00026-7, 2017. a, b
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Short summary
Due to their crucial role in terrestrial ecosystems, we implemented mycorrhizal fungi into the QUINCY terrestrial biosphere model. Fungi interact with mineral and organic soil to support plant N uptake and, thus, plant growth. Our results suggest that the effect of mycorrhizal interactions on simulated ecosystem dynamics is minor under constant environmental conditions but necessary to reproduce and understand observed patterns under changing conditions, such as rising atmospheric CO2.
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