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<datestamp>2018-01-11</datestamp>
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<title lang=en>Analysing the effects of local environment on the source-sink balance of Cecropia sciadophylla: a methodological approach based on model inversion</title>
<creator>Letort, Veronique</creator>
<creator>Heuret, Patrick</creator>
<creator>Zalamea, Paul Camilo</creator>
<creator>De Reffye, P.</creator>
<creator>Nicolini, Eric, </creator>
<contributor>Mathématiques Appliquées aux Systèmes - EA 4037 (MAS) ; Ecole Centrale Paris</contributor>
<contributor>Botanique et Modélisation de l'Architecture des Plantes et des Végétations (UMR AMAP) ; Centre de Coopération Internationale en Recherche Agronomique pour le Développement (CIRAD) - Institut national de la recherche agronomique [Montpellier] (INRA Montpellier) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS) - Institut de Recherche pour le Développement (IRD [France-Sud])</contributor>
<contributor>Ecologie des forêts de Guyane (ECOFOG) ; Centre de Coopération Internationale en Recherche Agronomique pour le Développement (CIRAD) - Institut National de la Recherche Agronomique (INRA) - Université des Antilles et de la Guyane (UAG) - AgroParisTech - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Departemento de Ciencias Basicas, Universidad de La Salle ; Universidad de La Salle</contributor>
<description>International audience</description>
<source>ISSN: 1286-4560</source>
<source>EISSN: 1297-966X</source>
<source>Annals of Forest Science</source>
<publisher>Springer Verlag/EDP Sciences</publisher>
<identifier>hal-00780347</identifier>
<identifier>https://hal-ecp.archives-ouvertes.fr/hal-00780347</identifier>
<identifier>https://hal-ecp.archives-ouvertes.fr/hal-00780347/document</identifier>
<identifier>https://hal-ecp.archives-ouvertes.fr/hal-00780347/file/Letort2011AFS.pdf</identifier>
<source>https://hal-ecp.archives-ouvertes.fr/hal-00780347</source>
<source>Annals of Forest Science, Springer Verlag/EDP Sciences, 2011, 69, pp.167-180. 〈10.1007/s13595-011-0131-x〉</source>
<identifier>DOI : 10.1007/s13595-011-0131-x</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1007/s13595-011-0131-x</relation>
<language>en</language>
<subject lang=en>Cecropia</subject>
<subject lang=en>Functional-structural model</subject>
<subject lang=en>Model inversion</subject>
<subject lang=en>Morphology</subject>
<subject lang=en>Trophic competition</subject>
<subject>[SDE.BE] Environmental Sciences/Biodiversity and Ecology</subject>
<subject>[SDV.BV] Life Sciences [q-bio]/Vegetal Biology</subject>
<subject>[MATH.MATH-DS] Mathematics [math]/Dynamical Systems [math.DS]</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Context : Functional - structural models (FSM) of tree growth have great potential in forestry, but their development, calibration and validation are hampered by the difficulty of collecting experimental data at organ scale for adult trees. Due to their simple architecture and morphological properties, " model plants " such as Cecropia sciadophylla are of great interest to validate new models and methodologies, since exhaustive descriptions of their plant structure and mass partitioning can be gathered. * Aims : Our objective was to develop a model-based approach to analysing the influence of environmental conditions on the dynamics of trophic competition within C. sciadophylla trees. * Methods : We defined an integrated environmental factor that includes meteorological medium-frequency variations and a relative index representing the local site conditions for each plant. This index is estimated based on model inversion of the GreenLab FSM using data from 11 trees for model calibration and 7 trees for model evaluation. * Results : The resulting model explained the dynamics of biomass allocation to different organs during the plant growth, according to the environmental pressure they experienced. * Perspectives : By linking the integrated environmental factor to a competition index, an extension of the model to the population level could be considered.</description>
<date>2011-10-13</date>
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