Towards developmental modelling of tree root systems

Tobin B., Cermak Jan, Chiatante Donato, Danjon Frédéric, Di Iorio A., Dupuy L., Eshel Amram, Jourdan Christophe, Kalliokoski T., Laiho R., Nadezhdina N., Nicoll B., Pagès Loïc, Silva J., Spanos I.. 2007. Towards developmental modelling of tree root systems. Plant Biosystems, 141 (3) : 481-501.

Résumé : Knowledge of belowground structures and processes is essential for understanding and predicting ecosystem functioning, and consequently in the development of adaptive strategies to safeguard production from trees and woody plants into the future. In the past, research has mainly been concentrated on growth models for the prediction of agronomic or forest production. Newly emerging scientific challenges, e.g. climate change and sustainable development, call for new integrated predictive methods where root systems development will become a key element for understanding global biological systems. The types of input data available from the various branches of woody root research, including biomass allocation, architecture, biomechanics, water and nutrient supply, are discussed with a view to the possibility of incorporating them into a more generic developmental model. We discuss here the main focus of root system modelling to date, including a description of simple allometric biomass models, and biomechanical stress models, and then build in complexity through static growth models towards architecture models. The next progressive and logical step in developing an inclusive developmental model that integrates these modelling approaches is discussed.

Mots-clés Agrovoc : système racinaire, racine, développement biologique, modèle de simulation, biomasse, anatomie végétale, arbre, modélisation environnementale, modélisation

Mots-clés complémentaires : Architecture végétale

Classification Agris : U10 - Informatique, mathématiques et statistiques
F62 - Physiologie végétale - Croissance et développement
F50 - Anatomie et morphologie des plantes

Champ stratégique Cirad : Hors axes (2005-2013)

Auteurs et affiliations

• Tobin B., Universita dell'Insubria (ITA)
• Cermak Jan, Mendel University of Agriculture and Forestry (CZE)
• Chiatante Donato, Universita dell'Insubria (ITA)
• Danjon Frédéric, INRA (FRA)
• Di Iorio A., Universita dell'Insubria (ITA)
• Dupuy L., University of Cambridge (GBR)
• Eshel Amram, Tel-Aviv University (ISR)
• Jourdan Christophe, CIRAD-PERSYST-UPR Ecosystèmes de plantations (FRA) ORCID: 0000-0001-9857-3269
• Kalliokoski T., FINNIDA (FIN)
• Laiho R., University of Helsinki (FIN)
• Nadezhdina N., Mendel University of Agriculture and Forestry (CZE)
• Nicoll B., Forest Research (GBR)
• Pagès Loïc, INRA (FRA)
• Silva J., Centre of Applied Ecology (PRT)
• Spanos I., NAGREF (GRC)

Source : Cirad - Agritrop (https://agritrop.cirad.fr/542522/)

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