Search Results - "Julien Ruelle"

Wood specific gravity and anatomy of branches and roots in 113 Amazonian rainforest tree species across environmental gradients by Fortunel, Claire, Ruelle, Julien, Beauchêne, Jacques, Fine, Paul V. A, Baraloto, Christopher

“…Wood specific gravity (WSG) is a strong predictor of tree performance across environmental gradients. Yet it remains unclear how anatomical elements linked to…”
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Mechanical properties of “flexure wood”: compressive stresses in living trees improve the mechanical resilience of wood and its resistance to damage by Niez, Benjamin, Dlouha, Jana, Gril, Joseph, Ruelle, Julien, Toussaint, Evelyne, Moulia, Bruno, Badel, Eric

“…Key message Mechanical acclimation of young poplars ( Populus tremula × Populus alba , INRA 717-1B4) submitted to periodic stem bending is mainly driven by…”
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Mechanical properties of secondary quality beech (Fagus sylvatica L.) and oak (Quercus petraea (Matt.) Liebl.) obtained from thinning, and their relationship to structural parameters by Purba, Citra Yanto Ciki, Dlouha, Jana, Ruelle, Julien, Fournier, Mériem

“…• Key message This paper investigates the juvenility limit and structure–property relationship in secondary quality beech ( Fagus sylvatica L.) and oak (…”
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Seasonal variations in phenological traits: leaf shedding and cambial activity in Parkia nitida Miq. and Parkia velutina Benoist (Fabaceae) in tropical rainforest by Morel, Hélène, Mangenet, Thomas, Beauchêne, Jacques, Ruelle, Julien, Nicolini, Eric, Heuret, Patrick, Thibaut, Bernard

“…Key message In French Guiana, the leaf and cambium phenologies should not be considered only as exogenous-driven processes, as the dry season, but also as…”
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Quantifying intra-annual dynamics of carbon sequestration in the forming wood: a novel histologic approach by Andrianantenaina, Anjy N., Rathgeber, Cyrille B. K., Pérez-de-Lis, Gonzalo, Cuny, Henri, Ruelle, Julien

“…Key message This study presents a novel histologic approach to quantify the intra-annual dynamics of carbon sequestration in forming wood. This innovative…”
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Extraction and Characterization of Fibers from Palm Tree by Tahri, Ichrak, Ziegler-Devin, Isabelle, Ruelle, Julien, Segovia, César, Brosse, Nicolas

“…The characterization of fibers extracted from leaflet, the empty fruit bunches, leaf sheath, and spath of palm tree was performed. The fibers were extracted…”
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Variations in the natural density of European oak wood affect thermal degradation during thermal modification by Hamada, Joël, Anélie Pétrissans, Frédéric Mothe, Julien Ruelle, Mathieu Pétrissans, Philippe Gérardin

“…KEY MESSAGE : Thermogravimetric analysis, performed on small samples of earlywood (EW) or latewood (LW), indicated that earlywood is more susceptible to…”
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Peculiar tension wood structure in Laetia procera (Poepp.) Eichl. (Flacourtiaceae) by Ruelle, Julien, Yoshida, Masato, Clair, Bruno, Thibaut, Bernard

“…Tension wood of Laetia procera (Poepp.) Eichl. (Flacourtiaceae), a neo-tropical forest species, shows a peculiar secondary wall structure, with an alternance…”
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Origin of the characteristic hygro-mechanical properties of the gelatinous layer in tension wood from Kunugi oak (Quercus acutissima) by Yamamoto, Hiroyuki, Ruelle, Julien, Arakawa, Yoshiharu, Yoshida, Masato, Clair, Bruno, Gril, Joseph

“…The mechanism responsible for unusual hygro-mechanical properties of tension wood containing the gelatinous layer (G-layer) was investigated. Tension and…”
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The influence of veneer thickness and knot proportion on the mechanical properties of laminated veneer lumber (LVL) made from secondary quality hardwood by Purba, Citra Yanto Ciki, Pot, Guillaume, Viguier, Joffrey, Ruelle, Julien, Denaud, Louis

“…The first objective of this work was to study the influence of veneer quality on the mechanical properties of laminated veneer lumber (LVL) made of secondary…”
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La chaîne du chêne. Une idée de projet d’innovation sur la valorisation des bois feuillus de qualité secondaire, issue de l’école chercheur 2015 #35Pluribois du GDR Sciences du Bois by Mériem Fournier, Claire Alix, Louis Denaud, Julien Ruelle, Nicolas Sauvat

“…La valorisation des feuillus est une priorité nationale de la politique de la filière forêt bois nationale. Cet article présente la synthèse d’un atelier…”
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Thermal stability of Abies alba wood according to its radial position and forest management by Hamada, Joël, Pétrissans, Anélie, Ruelle, Julien, Mothe, Frédéric, Colin, Francis, Pétrissans, Mathieu, Gérardin, Philippe

“…Most of the defects affecting heat-treated wood quality are often attributed to heterogeneous heat transfers in industrial kilns. Even if interspecific…”
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Responses of wood formation to bending: a matter of dose and sensitivity adjustments by Roignant, Jeanne, Badel, Éric, Leblanc-Fournier, Nathalie, Brunel-Michac, Nicole, Ruelle, Julien, Moulia, Bruno, Decourteix, Mélanie

“…Key message Repeated bending stimulations applied on poplar stem drives wood formation toward egg-shaped cross sections, thicker fiber cell walls and more…”
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Feeling stretched or compressed? The multiple mechanosensitive responses of wood formation to bending by Roignant, Jeanne, Badel, Éric, Leblanc-Fournier, Nathalie, Brunel-Michac, Nicole, Ruelle, Julien, Moulia, Bruno, Decourteix, Mélanie

“…Trees constantly experience wind, perceive resulting mechanical cues, and modify their growth and development accordingly. Previous studies have demonstrated…”
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Beech poles do not produce flexure wood after mechanical stimulation: does shifting from stress avoidance to stress tolerance matter? by Dlouhá, Jana, Martinez, Leandro, Alméras, Tancrède, Ruelle, Julien, Constant, Thiéry, Ningre, François, Fournier, Meriem

“…Key message Flexure wood formation is not systematically observed as a part of thigmomorphogenetic syndrome induced by wind. Its formation depends likely on…”
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Nest aggregations of wild bees and apoid wasps in urban pavements: A ‘street life’ to be promoted in urban planning by Noël, Grégoire, Van Keymeulen, Violette, Barbier, Yvan, Smets, Sylvie, Van Damme, Olivier, Colinet, Gilles, Lokatis, Sophie, Ruelle, Julien, Francis, Frédéric

“…In the last 10 years, the interest in nature‐based solutions and ecosystem services like pollination has increased profoundly and with it the need to gather…”
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Mesoporosity as a new parameter for understanding tension stress generation in trees by Chang, Shan-Shan, Clair, Bruno, Ruelle, Julien, Beauchêne, Jacques, Di Renzo, Francesco, Quignard, Françoise, Zhao, Guang-Jie, Yamamoto, Hiroyuki, Gril, Joseph

“…The mechanism for tree orientation in angiosperms is based on the production of high tensile stress on the upper side of the inclined axis. In many species,…”
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Xylem traits in European beech (Fagus sylvatica L.) display a large plasticity in response to canopy release by Noyer, Estelle, Lachenbruch, Barbara, Dlouhá, Jana, Collet, Catherine, Ruelle, Julien, Ningre, François, Fournier, Meriem

“…Key message The position of trees in the canopy impacts xylem structure and its inter-annual variation. After canopy release, the increase in the hydraulic…”
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Changes in physicochemical characteristics of a serpentine soil and in root architecture of a hyperaccumulating plant cropped with a legume by Saad, Ramez F., Kobaissi, Ahmad, Amiaud, Bernard, Ruelle, Julien, Benizri, Emile

“…Purpose Agromining is a new technology that establishes agricultural systems on ultramafic soils in order to produce valuable metal compounds such as nickel…”
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Improving identification of coppiced and seeded trees in past woodland management by comparing growth and wood anatomy of living sessile oaks (Quercus petraea) by Girardclos, Olivier, Dufraisse, Alexa, Dupouey, Jean-Luc, Coubray, Sylvie, Ruelle, Julien, Rathgeber, Cyrille B.K.

“…Written sources and archaeological evidence suggest that coppicing was a common practice in past woodland management. Depending mainly on the length of…”
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