Simulation of morphological plasticity of Acacia tortilis in response to herbivore attacks

Amélie Mathieu 1, 2 Véronique Letort 1, 3 Renaud Gosset 3 Jacques Gignoux 4 Paul-Henry Cournède 1, 3
3 DIGIPLANTE - Modélisation de la croissance et de l'architecture des plantes
MAS - Mathématiques Appliquées aux Systèmes - EA 4037, Inria Saclay - Ile de France, Ecole Centrale Paris, Centre de coopération internationale en recherche agronomique pour le développement [CIRAD] : UMR
Abstract : Understanding tree architectural plasticity is a major challenge. Functional-structural models can be of great interest to quantify the allocation patterns and their changes according to environment. In this paper, we focus on Acacia tortilis trees in savanna to understand their responses to herbivore attacks both in terms of architecture and allocation pattern. Measurements were carried out in Hwange National Park (Zimbabwe) in 2008. Architectural and biomass data were analysed to quantify the effects of herbivore attacks on plant morphogenesis, and trees were gathered in two groups depending on the intensity of herbivore attacks they suffered. Based on these results, a simple model of herbivore attacks has been implemented and parameters have been estimated in the framework of the GreenLab model and we simulate different realistic behaviours according to the intensity of herbivore attacks.
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Li, B.-G. and Jaeger, M. and Guo, Y. Third International Symposium on Plant Growth Modeling, Simulation, Visualization and Applications (PMA09), 2009, Beijing, China. IEEE Computer Society (Los Alamitos, California), 2009, Plant Growth Modeling, Simulation, Visualization and Applications (PMA09)
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Amélie Mathieu, Véronique Letort, Renaud Gosset, Jacques Gignoux, Paul-Henry Cournède. Simulation of morphological plasticity of Acacia tortilis in response to herbivore attacks. Li, B.-G. and Jaeger, M. and Guo, Y. Third International Symposium on Plant Growth Modeling, Simulation, Visualization and Applications (PMA09), 2009, Beijing, China. IEEE Computer Society (Los Alamitos, California), 2009, Plant Growth Modeling, Simulation, Visualization and Applications (PMA09). 〈inria-00543136〉

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