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Academic literature on the topic 'Ail des bois – Croissance'
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Journal articles on the topic "Ail des bois – Croissance"
Guimberteau, Guillaume, Olivier Terraz, and Stéphane Mérillou. "Modélisation volumique de bois par simulation de croissance." Techniques et sciences informatiques 25, no. 6 (July 1, 2006): 735–57. http://dx.doi.org/10.3166/tsi.25.735-757.
Full textMariaux, Alain, and Ilona Bossanyi. "NATURE AND PERIODICITY OF GROWTH RINGS IN AFRICAN TIMBER: CAN THEY BE USED TO DETERMINE THE AGE OF TREES?" BOIS & FORETS DES TROPIQUES 327, no. 327 (December 19, 2015): 51. http://dx.doi.org/10.19182/bft2016.327.a31296.
Full textDe Roquefeuil, Régis, and Laurent Deshaies. "Croissance et décroissance récentes en Mauricie – Bois-Francs : un essai d’explication." Cahiers de géographie du Québec 26, no. 67 (April 12, 2005): 11–43. http://dx.doi.org/10.7202/021546ar.
Full textMorel, Hélène, Romain Lehnebach, Jérémy Cigna, Julien Ruelle, Eric Nicolini, and Jacques Beauchêne. "Basic wood density variations of Parkia velutina Benoist, a long-lived heliophilic Neotropical rainforest tree." BOIS & FORETS DES TROPIQUES 335 (March 15, 2018): 59. http://dx.doi.org/10.19182/bft2018.335.a31518.
Full textEngone Obiang, Nestor Laurier, Alfred Ngomanda, Lee White, Kathryn J. Jeffery, Eric Chézeaux, and Nicolas Picard. "Un modèle de croissance pour l'azobé, Lophira alata, au Gabon." BOIS & FORETS DES TROPIQUES 314, no. 314 (December 1, 2012): 65. http://dx.doi.org/10.19182/bft2012.314.a20492.
Full textMorel, Hélène, Éric Nicolini, Julie Bossu, Lilian Blanc, and Jacques Beauchêne. "Qualité et usages du bois de cinq espèces forestières adaptées à la plantation à vocation de bois d’œuvre et testées en Guyane française." BOIS & FORETS DES TROPIQUES 334 (January 2, 2018): 61. http://dx.doi.org/10.19182/bft2017.334.a31492.
Full textTassin, Jacques. "Le long terme forestier à l'épreuve du changement." BOIS & FORETS DES TROPIQUES 317, no. 317 (September 1, 2013): 4. http://dx.doi.org/10.19182/bft2013.317.a20522.
Full textPoupeau, François-Mathieu, and Fabien Schlosser. "La régulation de la filière bois énergie dans les Ardennes françaises." Articles 29, no. 2 (January 7, 2011): 3–28. http://dx.doi.org/10.7202/045153ar.
Full textBastien, Jean-Charles, Gwenaël Philippe, Yves Rousselle, Leopoldo Sanchez, Marin Chaumet, and Sabine Girard. "Les variétés améliorées de douglas en France." Schweizerische Zeitschrift fur Forstwesen 172, no. 2 (March 1, 2021): 76–83. http://dx.doi.org/10.3188/szf.2021.0076.
Full textGaudreau, Guy. "L’exploitation des forêts publiques au Québec (1874-1905) : transition et nouvel essor." Revue d'histoire de l'Amérique française 42, no. 1 (September 24, 2008): 3–26. http://dx.doi.org/10.7202/304648ar.
Full textDissertations / Theses on the topic "Ail des bois – Croissance"
Dion, Pierre-Paul. "Caractérisation des conditons de culture propices à l'ail des bois en système agroforestier." Master's thesis, Université Laval, 2015. http://hdl.handle.net/20.500.11794/25770.
Full textWild leek (Allium tricoccum) is a forest spring ephemeral popular amongst consumers. Overharvesting caused a major decline of its natural populations in southern Quebec, Canada. Forest farming could provide a mean of sustainable exploitation of this vulnerable species. According to our experiments, planting under late bud-bursting tree species improves growth of wild leek, which delays its senescence and can acclimate to the higher light availability. A lower planting density improves individual growth and reproduction, but lowers the yield per cultivated area. Partial harvest of the bulbs in dense populations slightly improves post-harvest growth. Harvesting leaves does not affect survival, but delaying it in the season and harvesting only one leaf out of two favors regeneration. These results will allow optimizing yield in wild leek cultures.
Bernatchez, Antoine. "Conditions de culture propices à l'ail des bois (Allium Tricoccum)." Master's thesis, Université Laval, 2012. http://hdl.handle.net/20.500.11794/23730.
Full textDanjon, Frédéric. "Variabilité génétique des courbes de croissance en hauteur du pin maritime (Pinus pinaster Ait. )." Lyon 1, 1992. http://www.theses.fr/1992LYO10240.
Full textLepoittevin, Camille. "Génétique d’association chez le pin maritime (Pinus pinaster Ait.) pour la croissance et les composantes de la qualité du bois." Thesis, Bordeaux 1, 2009. http://www.theses.fr/2009BOR13923/document.
Full textDuring the last four decades, the optimization of silvicultural and tree breeding methods has contributed to improve growth and wood homogeneity of maritime pine. In order to provide the different actors of the forestry wood-chain with high quality raw material, the genetic determinism and chemical components of wood quality are being studied in the frame of a multidisciplinary research program. First, nine transcription factors putatively involved in wood formation have been sequenced in the Aquitaine population, and their nucleotide diversity pattern studied. Since these genes potentially play important roles in the adaptation of trees to their environment, their patterns have been compared to those expected under neutral evolution. Strong departures from neutrality were observed, with high levels of linkage disequilibrium and an excess of intermediate frequency variants for three of them (HDZ31, LIM2 and MYB1), which could be linked to population size changes that affected the whole genome, and to balancing selection effects at one of them (MYB1). Secondly, the genitors of the Aquitaine breeding population were genotyped for 384 markers and evaluated for growth and wood chemical properties. Significant associations were detected for two markers, one in a HD-Zip transcription factor (HDZ31) with growth, and the other in a gene coding for a fasciclin protein with cellulose content. The consistency of evolutionary and molecular genetics opens encouraging perspectives for understanding the genetic architecture of wood formation in this species. However, the low number of associations detected raises several theoretical and methodological issues which are discussed for the perspective of improving future experimental designs
Lagraulet, Hélène. "Plasticité phénotypique et architecture génétique de la croissance et de la densité du bois du pin maritime (Pinus pinaster Ait.)." Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0085/document.
Full textEvaluating the impact of climate change on current plantations supposes the evaluation of their phenotypic plasticity and their genotypic diversity within the species, under abiotic pressure. Maritime pine is a perennial species of major economical interest in the french Aquitaine region. Wildly studied genetically and ecophysiologically, maritime pine is a very good biological model to see that type of study to the end. In this thesis, we intend to study various traits related to maritime pine growth under a biotic constraints, according to the following approaches: (1) evalutation of the phenotypic variability and (2)dissection of the genetic architecture of the traits (number, location and effects of QTLs). The comparisonbetween envrionmental and phenotypic data will allow us to appreciate the phenotypic pasticity of individuals. Afterwards, studying the genetic architecture of these traits and its variability according to the genetic background of individuals and environmental conditions will allow us to assess the stability ofdetected QTLs.We used 4 progenies of maritime pines: 3 controlled crosses of parents originated from contrasted ecotypes (Corsica, Landes and Morocco) and 1 controlled cross from a second generation of self-pollination (F2). Micro-cores were extracted from the individuals of the F2 population andmicrodensity profiles were established trough 7 consecutive years. Total height and diameter of eachindividual were measured once a year on the 3 others crosses, from 2010 to 2014. Dynamics of apical budburst was also followed on the same individuals in 2012 and 2013. Finally, dynamics of radial growth were monitored on a sub-sample of 239 individuals (spread in 2 of the 3 controlled crosses) during 3 yearsthanks to a unique device of microdendrometers.At the same time, all individuals (form the 4 crosses) were genotyped with several DNA bioarraysof molecular markers, allowing the building of genetic maps. The confrontation of phenotypic and genotypic data enabled to identify genome are as involved in the genetic architecture behind the traitsand to study their stability according to environmental conditions and the genetic background of individuals.This study showed that bud burst varies from year to year, depending on the conditions oftemperature and of the genetic background of individuals. Same way as growth, bud burst is controlled bymany QTLs of moderate effect, varying according to climatic conditions and the genetic background of individuals. The monitoring of seasonal dynamics of wood formation also showed a QTL x environment interaction revealing that wood density is regulated by different genes or the same set of genes,differentially regulated in response to the climate. The last part of the study puts forwards, for the firsttime, the variability of radius daily fluctuations within a full-sib family and its interaction with environmental variables. [...]
Berthier, Stéphane. "Effets des sollicitations aérodynamiques sur la croissance et le développement du pin maritime (pinus pinaster Ait. ) : influence sur la morphogenèse aérienne et racinaire, et sur la formation du bois de cœur." Bordeaux 1, 2001. http://www.theses.fr/2001BOR12443.
Full textGuimberteau, Guillaume. "Modélisation volumique de bois." Limoges, 2008. https://aurore.unilim.fr/theses/nxfile/default/efac4ad2-040e-49df-80d1-dd989a9796a1/blobholder:0/2008LIMO4017.pdf.
Full textIn this thesis, we present the results of our research about the generation of internal structure of trees based on the simulation of the tree growth. For the modelling of these structures, we use a model which allows the presentation of subdivisions of 3D objects : the 3Gmaps. Thanks to a structuring of objects at different levels (ring, volume), our approach allow simplifying the control of the evolution. Moreover, we add a formalization of the growth management with an extension of L-systems in dimension 3 : 3Gmap L-systems. Provided with this modelling and with this formalism, we are able of generating internal wood structures and credible from a botanical point of view. To validate our model, we offer some lanes of farms : generation of wooden textures with management of knots, wood defects, weathering,. .
Espagnacq, Laurence. "Contribution à l'étude de la physiologie de l'ail (Allium sativum L. )." Toulouse, INPT, 1988. http://www.theses.fr/1988INPT003A.
Full textFournier, Meriem. "Mécanique de l'arbre sur pied : maturation, poids propre, contraintes climatiques dans la tige standard." Vandoeuvre-les-Nancy, INPL, 1989. http://www.theses.fr/1989NAN10470.
Full textSevrin, Eric. "L'alisier torminal (sorbus torminalis (l. ) crantz) : qualite du bois et conditions de croissance." Paris, ENGREF, 1992. http://www.theses.fr/1992ENGR0019.
Full textBooks on the topic "Ail des bois – Croissance"
Zarnovican, Richard. Éclaircie précommerciale dans une jeune érablière à bouleau jaune: Résultats après 10 ans. Sainte-Foy, Qué: Centre de foresterie des Laurentides, 1998.
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