Yatat Djeumen I.V. auteur aut IRD Tchuinté Tamen A. auteur aut IRD Dumont Y. auteur aut IRD Couteron Pierre auteur aut IRD text journalArticle eng text/pdf reformatted digital access The savanna biome encompasses a variety of vegetation physiognomies that traduce complex dynamical responses of plants to the rainfall gradients leading from tropical forests to hot deserts. Such responses are shaped by interactions between woody and grassy plants that can be either direct, disturbance-mediated or both. There has been increasing evidence that several vegetation physiognomies, sometimes highly contrasted, may durably coexist under similar rainfall conditions suggesting multi-stability or at least not abrupt transitions. These fascinating questions have triggered burgeoning modelling efforts which have, however, not yet delivered an integrated picture liable to furnish sensible predictions of potential vegetation at broad scales. In this paper, we will recall the key ecological processes and resulting vegetation dynamics that models should take into account. We will also present the main modelling options present in the literature and advocate the use of minimalistic models, capturing only the essential processes while retaining sufficient mathematical tractability and restricting themselves to a minimal set of parameters assessable from the overall literature. specialized BIOGEOGRAPHIE DYNAMIQUE DE VEGETATION MODELISATION MODELE MATHEMATIQUE ANALYSE SPATIALE SAVANE PLUIE FEU DE BROUSSE RELATION CLIMAT COUVERT VEGETAL EQUATION DIFFERENTIELLE CAMEROUN 082VEGET02 020MATH01 7 2 29 [en ligne] 2018 1314-684X https://www.documentation.ird.fr/hor/fdi:010074652 10.11145/j.biomath.2018.12.167 1314-684X [F B010074652] https://www.documentation.ird.fr/hor/fdi:010074652 https://horizon.documentation.ird.fr/exl-doc/pleins_textes/divers19-01/010074652.pdf IRD - Base Horizon / Pleins textes 2019-01-18 2023-07-11 fdi:010074652 fre