autores
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Autores
Mostrando ítems 1-20 de 21
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Analyse rétrospective de l’adaptation à la sécheresse chez le douglas
Rozenberg, Philippe; Sergent, Anne Sophie; Dalla Salda, Guillermina; Martinez Meier, Alejandro; Marin, Sara; Ruiz Diaz, Manuela; Bastien, Jean-Charles; Sanchez, Leopoldo; Bréda, Nathalie (Swiss Forestry Society and Allen Press, 2012-03)For a number of years in certain regions of France the Douglas-fir trees (Pseudotsuga menziesii [Mirb.] Franco) have presented symptoms of withering which have been attributed to drought. Our results show that the hydraulic ... -
Assessment of resistance to xylem cavitation in cordilleran cypress using near-infrared spectroscopy
Sergent, Anne Sophie; Segura, Vincent; Charpentier, Jean-Paul; Dalla Salda, Guillermina; Fernandez, María Elena; Rozenberg, Philippe; Martinez Meier, Alejandro (Elsevier, 2020-04)Characterizing drought resistance of forest trees is an important aim in the worldwide context of increasing forest decline and dieback. Furthermore, wood demand is increasing all around the world, urging the need for the ... -
Climate warming differently affects Larix decidua ring formation at each end of a French Alps elevational gradient
Rozenberg, Philippe; Chauvin, Thibaud; Escobar-Sandoval, Margarita; Huard, Frédéric; Shishov, Vladimir; Charpentier, Jean-Paul; Sergent, Anne Sophie; Vargas-Hernandez, José Jesus; Martinez Meier, Alejandro; Pâques, Luc (Springer, 2020-06)Key message The ongoing global warming tends to reduce Larix decidua radial growth and ring wood density at the bottom of an elevational gradient in the French Alps, while it has a less marked effect at the top. Context: ... -
Climate warming differently affects Larix decidua ring formation at each end of a French Alps elevational gradient.
Rozenberg, Philippe; Chauvin, Thibaud; Escobar-Sandoval, Margarita; Huard, Frédéric; Shishov, Vladimir; Charpentier, Jean-Paul; Sergent, Anne Sophie Marie; Vargas-Hernandez, J. Jesus; Martinez Meier, Alejandro; Pâques, Luc (Springer, 2020)Key message: The ongoing global warming tends to reduce Larix decidua radial growth and ring wood density at the bottom of an elevational gradient in the French Alps, while it has a less marked effect at the top. Context: ... -
Dissecting the Space-Time Structure of Tree-Ring Datasets Using the Partial Triadic Analysis
Rossi, Jean Pierre; Nardin, Maxime; Godefroid, Martin; Ruiz Diaz, Manuela; Sergent, Anne Sophie; Martinez Meier, Alejandro; Paques, Luc; Rozenberg, Philippe (Plos One, 2014-09)Tree-ring datasets are used in a variety of circumstances, including archeology, climatology, forest ecology, and wood technology. These data are based on microdensity profiles and consist of a set of tree-ring descriptors, ... -
Dynamics of cavitation in a Douglas-fir tree-ring: transition-wood, the lord of the ring?
Dalla Salda, Guillermina; Fernandez, María Elena; Sergent, Anne Sophie; Rozenberg, Philippe; Badel, Eric; Martinez Meier, Alejandro (INRA, 2014-11)The objective of this work wa s to investigate the dynamics of embolism formation within a Douglas fir tree ring . Four resistant and four vulnerable 10 year old trees were selected among 50 trees, based on their P 50 . ... -
Ecophysiological basis of wood formation in ponderosa pine : linking water flux patterns with wood microdensity variables
Martinez Meier, Alejandro; Fernandez, María Elena; Dalla Salda, Guillermina; Gyenge, Javier Enrique; Licata, Julián Andrés; Rozenberg, Philippe (2015-06)Climate and stands management have an effect on the process of wood formation via resource availability. To improve knowledge of wood quantity and physical structure, increment cores of ponderosa pine were taken in high- ... -
Genetic control of the tree-ring response of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) to the 2003 drought and heat-wave in France
Martinez Meier, Alejandro; Sanchez, Leopoldo; Dalla Salda, Guillermina; Pastorino, Mario Juan; Gautry, Jean-Yves; Gallo, Leonardo Ariel; Rozenberg, Philippe (Springer, 2008)The genetic control of tree ring growth in Douglas-fir in response to the drought and heat-wave that occurred in 2003 in Europe was studied with microdensity profiles in three clonal experiments located in three different ... -
Genetic variation of xylem hydraulic properties shows that wood density is involved in adaptation to drought in Douglas-fir (Pseudotsuga menziesii (Mirb.))
Dalla Salda, Guillermina; Martinez Meier, Alejandro; Cochard, Hervé; Rozenberg, Philippe (Springer, 2011-05)Relationships between wood density and hydraulic efficiency and safety (hydraulic specific conductivity and vulnerability to cavitation, respectively) could clarify the physiological process explaining the impact of density ... -
Integrar disciplinas para el estudio de la respuesta adaptativa de los bosques al cambio climático
Sergent, Anne Sophie Marie; Dalla Salda, Guillermina; Bellon, Santiago Misael; Diez, Juan Pablo; Fernandez, María Elena; Martin-StPaul, Nicolas; Porté, Annabel; Rathgeber, Cyrille; Rozenberg, Philippe; Martinez Meier, Alejandro (Red Argentina de Ciencia y Tecnología Forestal, 2023-03)El cambio climático representa una amenaza creciente para la mayoría de los bosques alrededor del mundo (Anderegg et al. 2022). Eventos de decaimiento y de mortalidad de los bosques asociados con procesos fisiológicos de ... -
LIA Forestia : reporte de actividades 1er y 2do año (mayo 2018-mayo 2020)
Rozenberg, Philippe; Martinez Meier, Alejandro (EEA Bariloche, INTA, 2020)LIA FORESTIA INRAE-INTA presenta su primer reporte bianual de actividades. Se indican a continuación las reuniones de coordinación, los proyectos –finalizados, en ejecución y los presentados a nuevas convocatorias-, los ... -
Phenotypic plasticity of European larch radial growth and wood density along a-1,000 m elevational gradient
Escobar Sandoval, Margarita; Pâques, Luc; Fonti, Patrick; Martinez Meier, Alejandro; Rozenberg, Philippe (Wiley, 2021-02)Phenotypic plasticity is a key mechanism for sedentary long-living species to adjust to changing environment. Here, we use mature Larix decidua tree-ring variables collected along an elevational transect in the French Alps ... -
Phenotypic variation of basic wood density in Pinus ponderosa plus trees = Variación fenotípica de la densidad básica de la madera de árboles plus de Pinus ponderosa
Martinez Meier, Alejandro; Gallo, Leonardo Ariel; Pastorino, Mario Juan; Mondino, Victor Alejandro; Rozenberg, Philippe (Facultad de Ciencias Forestales y Recursos Naturales, Universidad Austral de Chile, 2011)Phenotypic selection generally reduces the variability of both the selected trait and other associated characteristics. Some species show a negative strong relationship between growth traits and wood ... -
¿Qué calidad de madera produciremos en el futuro?, un análisis sobre los desafíos de integrar valor adaptativo y tecnológico ante un clima cambiante
Martinez Meier, Alejandro; Sergent, Anne Sophie Marie; Dalla Salda, Guillermina; Caballe, Gonzalo; Rozenberg, Philippe; Fernandez, María Elena (EEA Bariloche, INTA, 2019-09)La madera cumple funciones de transporte y almacenamiento de agua, nutrientes y carbohidratos, fundamentales para la sobrevivencia de las especies leñosas frente a variaciones del ambiente. La densidad de la madera, una ... -
¿Qué calidad de madera produciremos en el futuro?, un análisis sobre los desafíos de integrar valor adaptativo y tecnológico ante un clima cambiante
Martinez Meier, Alejandro; Sergent, Anne Sophie Marie; Fernandez, María Elena; Dalla Salda, Guillermina; Rozenberg, Philippe; Caballe, Gonzalo (REDFOR.ar - ArgentinaForestal - CONICET, 2021)La madera cumple funciones de transporte y almacenamiento de agua, nutrientes y carbohidratos, fundamentales para la sobrevivencia de las especies leñosas frente a variaciones del ambiente. La densidad de la madera, una ... -
Reponse du Douglas a des evenements climatiques extremes
Martinez Meier, Alejandro (Edición del Autor, 2009-01-13)La température de la terre a augmenté de 0,7 °C au cours du siècle dernier, ce qui correspond à une vitesse de réchauffement jamais observée auparavant. Les prévisions et la particularité du changement climatique global, ... -
Ring density record of phenotypic plasticity and adaptation to drought in Douglas-fir
Martinez Meier, Alejandro; Sanchez, Leopoldo; Dalla Salda, Guillermina; Gallo, Leonardo Ariel; Pastorino, Mario Juan; Rozenberg, Philippe (Elsevier, 2009-08)Microdensity profiles of Douglas-fir’s clones and weather data were used to study phenotypic plasticity (dendroplasticity). Within-ring microdensity was interpreted as the variation of tree response to drought constraints ... -
Variation of wood density and hydraulic properties of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) clones related to a heat and drought wave in France
Dalla Salda, Guillermina; Martinez Meier, Alejandro; Cochard, Hervé; Rozenberg, Philippe (Elsevier, 2009-01)Drought response of three Douglas-fir clones (slow, intermediate and fast growing) inhabiting two different climatic regimes in France was examined.We used the hydraulic conductivity and the percent loss of conductivity ... -
What is hot in tree rings? The wood density of surviving Douglas-firs to the 2003 drought and heat wave
Martinez Meier, Alejandro; Sanchez, Leopoldo; Pastorino, Mario Juan; Gallo, Leonardo Ariel; Rozenberg, Philippe (Elsevier, 2008-08)In a global warming scenario, drought and heat waves like the one that occurred in 2003 in Europe are expected to become more intense and frequent. This extreme climate event strongly affected the hydraulic balance in many ... -
Wood density proxies of adaptive traits linked with resistance to drought in Douglas fir (Pseudotsuga menziesii (Mirb.) Franco)
Ruiz Diaz Britez, Manuela; Sergent, Anne Sophie; Martinez Meier, Alejandro; Bréda, Nathalie; Rozenberg, Philippe (Springer, 2014-10)A comparison of dead and surviving Douglas fir trees following the 2003 drought was made to define proxies of adaptive traits for resistance to drought. Increment cores were sampled from trees from three French regions: ...