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Author |
Heuret, P. |
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Title |
Analyse et modélisation de séquences d'évènements botaniques : applications à la compréhension de la régularité d'expression des processus de croissance, de ramification et de floraison |
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Year |
2002 |
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Pages |
145 |
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Keywords |
Quercus Rubra; Cecropia Obtusa; Cupressus; Croissance; Floraison; Ramification; Architecture; Modeles Markoviens; Analyse De Sequences; Lb – Papier (I202.Thx.Heu.20002) |
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Abstract |
Une entité botanique peut être considérée comme une succession ordonnée d’entités botaniques d’un niveau d’organisation inférieur (ex : une unité de croissance peut se décrire comme une succession de métamères).
Pour chaque entité botanique, il est possible de mesurer un certain nombre de variables qui traduisent ses caractéristiques (longueur de l’entre-noeud, type de production axillaire). La succession des valeurs prises par une ou plusieurs variables mesurées est alors appelée « séquence d’événements botaniques ». Des travaux récents menés chez des arbres fruitiers et forestiers ont permis de développer une approche statistique adaptée à l’analyse d’échantillons de séquences allant de l'analyse exploratoire à la construction de processus Markoviens. L’objectif de cette thèse est (i) d’évaluer la pertinence d’une approche couplant analyse architecturale et analyse de séquences extraites d’architectures mesurées, (ii) d’apporter une vision et une compréhension nouvelle des phénomènes de croissance, de ramification et de floraison par l’utilisation de modèles statistiques adaptés et (iii) d’analyser les applications possibles des comparaisons de séquences et de modèles dans l’étude de l’influence du milieu et la caractérisation de la plasticité architecturale. Cette problématique est illustrée par (i) l’étude des structures de ramification des différents types d’unités de croissance des pousses annuelles mono- ou polycycliques de chêne rouge d’Amérique (Quercus rubra), (ii) des synchronismes de ramification et de floraison chez Cecropia obtusa et (iii) par l’étude de l’évolution de la phyllotaxie et des modalités de ramification au cours de l’ontogénie sur plusieurs espèces de Cupressus.
Les résultats montrent que la répartition des productions axillaires sur une entité porteuse n'est pas aléatoire mais qu’elle est le plus souvent organisée en une succession de zones homogènes ou montre des motifs répétés à un niveau plus local. Les mécanismes sous-jacents potentiellement responsables des organisations révélées à diverses échelles et l’apport de la prise en compte de l’information structurelle des arbres dans la mesure et l’analyse statistique des données sont discutés. |
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Ph.D. thesis |
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Publisher |
Université Henri Poincaré |
Place of Publication |
Nancy |
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Call Number |
EcoFoG @ webmaster @ 199 |
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28 |
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Author |
Kanashiro, M.; Thompson, I.S.; Degen, B. |
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Title |
Genetic conservation within managed forests in amazonia : dendrogene project |
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Conference Article |
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Year |
2002 |
Publication |
Modelling and experimental research on genetic processes in tropical and temperate forests |
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Pages |
77-85 |
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Keywords |
Genetic Diversity; Harvesting Planning; Logging Impact; Reproductive Biology; Species Identification; Tropical Trees |
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Kourou - Guyane française |
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Degen, B.; Loveless, M.D.; Kremer, A. |
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18-22 September 2000 |
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Call Number |
EcoFoG @ webmaster @ 124 |
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29 |
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Author |
Le Fol, J. |
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Title |
Etude géomorphologique des sites de Paracou, Crique Plomb, Piste de Saint Elie |
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Year |
2002 |
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Pages |
126 |
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Keywords |
Guyane Francaise Paracou Piste De Saint Elie Crique Plomb Geomorphologie Pedologie Photographies Aeriennes |
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Master's thesis |
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Publisher |
Université Toulouse Le Mirail |
Place of Publication |
Toulouse |
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Series Editor |
Freycon, Vincent |
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Call Number |
EcoFoG @ webmaster @ 203 |
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30 |
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Author |
Morneau, F. |
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Title |
Effet de la densité des arbres sur la régénération naturelle du Wacapou (Vouacapoua Americana Aublet, Caesalpiniaceae) en Guyane française |
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Year |
2002 |
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28 |
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Keywords |
Foret Tropicale Guyanaise Vouacapoua Americana Wacapou Nouragues Densite Des Arbres Adultes Regeneration Naturelle |
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Thesis |
Master's thesis |
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Publisher |
Université Pierre et Marie Curie (ParisVI) |
Place of Publication |
Paris |
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Series Editor |
Forget, Pierre Michel |
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Call Number |
EcoFoG @ webmaster @ 209 |
Serial |
31 |
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Author |
Reynal, V. de; Oliveira, M.C. de; Santos dos Assis, W. |
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Title |
Atlas agraire historique de Maraba |
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Map |
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Year |
2002 |
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Keywords |
Cartographie; Maraba; Bresil |
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Publisher |
Act'image |
Place of Publication |
Toulouse |
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Call Number |
EcoFoG @ webmaster @ 238 |
Serial |
32 |
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Author |
Salvado, A. |
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Title |
Etude des rélations entre sol et végétation en forêt tropicale humide : comparaison de la dynamique forestière selon les profondeurs de nappe en saison sèche (bas-fonds vs sol drainé) et étude du comportement de la nappe en saison humide |
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2002 |
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Pages |
39 |
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Keywords |
Guyane Francaise Paracou Traitements Sylvicoles Bas Fonds Piezometres |
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Thesis |
Master's thesis |
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Publisher |
Ecole Doctorale RP2E |
Place of Publication |
Nancy |
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Series Editor |
Ferry, Bruno |
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Call Number |
EcoFoG @ webmaster @ 225 |
Serial |
33 |
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Author |
Sist, P.; Bertault, J.G.; Picard, N. |
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Title |
Why minimum diameter cutting alone cannot fit with RIL objectives |
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Conference Article |
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Year |
2002 |
Publication |
International conference on application of reduced impact logging to advance sustainable forest management |
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Volume |
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Pages |
11 |
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FAO |
Place of Publication |
Kuching, Malaysia |
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26/02/2001-01/03/2001 |
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Call Number |
EcoFoG @ webmaster @ 105 |
Serial |
34 |
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Author |
Thevand, A. |
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Title |
Structure et dynamique des mangroves de la région de Kaw (Guyane française) – Etude par télédétection et analyse in situ |
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Year |
2002 |
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Pages |
31 pp |
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Keywords |
Mangrove Structure Dynamique Guyane Francaise Teledetection |
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Thesis |
Master's thesis |
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Publisher |
Université Paul Sabatier - Toulouse III |
Place of Publication |
Toulouse |
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Series Editor |
Fromard, François; Proisy, Christophe |
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Call Number |
EcoFoG @ webmaster @ 233 |
Serial |
35 |
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Author |
Roisin, Y; Corbara, B; Delsinne, T; Orivel, J; Leponce, M. |
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Title |
Termites in Santo: lessons from a Survey in the Penaoru area |
Type |
Book Chapter |
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Year |
2011 |
Publication |
The natural history of Santo |
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Volume |
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Pages |
128-130 |
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Publications Scientifiques du Museum, IRD éditions, Pro-Natura International |
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Editor |
Bouchet, P.; Le Guyader, H.; Pascal, O |
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Call Number |
EcoFoG @ webmaster @ |
Serial |
160 |
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Author |
Amusant, N. |
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Title |
Durabilité naturelle et couleur des bois de Guyane : mesure, variabilité, déterminisme chimique; Applications à Dicorynia guianensis (Angélique), Sextonia rubra (Grignon), Eperua falcata (Wapa) et Eperua grandiflora (Wapa courbaril) |
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Thesis |
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Year |
2003 |
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Volume |
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Issue |
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Pages |
228 |
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Keywords |
Durabilite Naturelle; Colorimetrie; Extractibles; Champignons Basidiomycetes; Bois Amazonien; Compose Diterpenoiques; Composes Polyphenoliques; Dicorynia Guianensis; Sextonia Rubra; Eperua Falcata; Eperua Grandiflora; Guyane Francaise |
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Thesis |
Ph.D. thesis |
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Publisher |
Ecole Nationale du Génie Rural, des Eaux et des Forêts |
Place of Publication |
Kourou |
Editor |
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Series Editor |
Fournier, M.; Moretti, C. |
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Call Number |
EcoFoG @ webmaster @ 155 |
Serial |
37 |
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