FORFUS-RT1.5

This project is part of the doctoral training unit FORFUS: Forest function under stress

Inspiration

This PhD project focuses on developing cutting-edge mathematical and computational models to better understand the critical role of mycorrhizal fungi in tree-soil interactions. Trees rely on their root systems not only to absorb nutrients and water but also to exchange carbon with soil ecosystems. Mycorrhizal fungi, forming symbiotic networks with tree roots, act as essential mediators in these processes, mobilizing nutrients and enhancing water uptake for the tree.

Innovation

The project aims to create a robust Partial Differential Equation (PDE)-based modeling framework that links the dynamic growth of tree roots with the expanding network of mycorrhizal hyphae. This innovative approach will test the hypothesis that a dynamic root-fungal system is more effective at carbon-for-nutrient exchange than static root systems. By integrating insights from soil structure, moisture, and nutrient availability, the model will provide a comprehensive understanding of how trees adapt and thrive in diverse environments.

This interdisciplinary project merges approaches from neuro-biology, soil and plant science, leveraging existing research and controlled laboratory experiments. Advanced computational techniques will enable rapid simulations, paving the way for innovative applications in tree ecology and environmental management.

Impact

• Develop a PDE model connecting tree root systems to growing mycorrhizal networks.
• Explore how fungal hyphae mediate carbon exchange for water and nutrients in the soil.
• Incorporate experimental data on soil conditions (e.g., compaction, moisture, and nutrients) to refine the model.
• Utilize computational acceleration methods to ensure efficient simulations for broader applications, including agent-based tree models.

MAIN project contact

Prof. Stéphane Bordas, University of Luxembourg