Articles | Volume 20, issue 13
https://doi.org/10.5194/bg-20-2553-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-20-2553-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
04 Jul 2023
Research article |
| 04 Jul 2023
| 04 Jul 2023
Exploring environmental and physiological drivers of the annual carbon budget of biocrusts from various climatic zones with a mechanistic data-driven model
Institute of Plant Science and Microbiology, Universität Hamburg, 22609 Hamburg, Germany
Bettina Weber
Institute of Plant Sciences, Department of Biology, University of Graz, 8010 Graz, Austria
Department of Multiphase Chemistry, Max Planck Institute for Chemistry, 55128 Mainz, Germany
Alexandra Kratz
Department of Multiphase Chemistry, Max Planck Institute for Chemistry, 55128 Mainz, Germany
José Raggio
Departamento de Farmacología, Farmacognosia y Botánica, Complutense University of Madrid, 28040 Madrid, Spain
Claudia Colesie
School of Geosciences, University of Edinburgh, EH9 3FF Edinburgh, United Kingdom
Maik Veste
Institute of Environmental Sciences, Brandenburg University of Technology Cottbus-Senftenberg, 03046 Cottbus, Germany
CEBra – Centre for Energy Technology Brandenburg e.V., 03042 Cottbus, Germany
Maaike Y. Bader
Faculty of Geography, University of Marburg, 35032 Marburg, Germany
Philipp Porada
Institute of Plant Science and Microbiology, Universität Hamburg, 22609 Hamburg, Germany
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Short summary
We found that the modelled annual carbon balance of biocrusts is strongly affected by both the environment (mostly air temperature and CO2 concentration) and physiology, such as temperature response of respiration. However, the relative impacts of these drivers vary across regions with different climates. Uncertainty in driving factors may lead to unrealistic carbon balance estimates, particularly in temperate climates, and may be explained by seasonal variation of physiology due to acclimation.
We found that the modelled annual carbon balance of biocrusts is strongly affected by both the...
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