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A Forest Growth Simulator Based on Functional-Structural Modelling of Individual Trees

Paul-Henry Cournède 1, 2, * Thomas Guyard 2 Benoit Bayol 2 Sébastien Griffon 3 François de Coligny 3 Philippe Borianne 3 Marc Jaeger 3 Philippe de Reffye 3
* Corresponding author
2 DIGIPLANTE - Modélisation de la croissance et de l'architecture des plantes
Cirad - Centre de Coopération Internationale en Recherche Agronomique pour le Développement, Inria Saclay - Ile de France, MAS - Mathématiques Appliquées aux Systèmes - EA 4037
Abstract : The objective of this paper is to study forest growth simulation based on functional-structural modelling and its potentials for forestry applications. The GreenLab model is used for this purpose owing to its computational performances, its calibration capacity on real plants and its extension to the stand level, by taking into account the competition between neighbouring plants and the interactions with the environment. We first propose a software design: 1) to manage the composition of forest scenes, 2) to simulate their growth based on parallel computing of individual trees with the GreenLab model, 3) to get the realistic and real-time 3D rendering of the simulation results. We then detail a test case to illustrate the potentialities of this new tool. Mono-specific stands of poplars and pines are simulated. We analyze the computation performances and illustrate the simulation results with 3D outputs. A very classical application in forest management, stand thinning, is also tested. Our tool provides new insights thanks to the detailed architectures of trees resulting from the functional-structural model.
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Submitted on : Monday, October 25, 2010 - 9:08:43 AM
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Paul-Henry Cournède, Thomas Guyard, Benoit Bayol, Sébastien Griffon, François de Coligny, et al.. A Forest Growth Simulator Based on Functional-Structural Modelling of Individual Trees. Third International Symposium on Plant Growth Modeling, Simulation, Visualization and Applications (PMA09), IEEE, Nov 2009, Beijing, China. pp.34-41, ⟨10.1109/PMA.2009.55⟩. ⟨inria-00529096⟩

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