autores
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Autores
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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 ... -
Different drought‑adaptive capacity of a native Patagonian tree species (Nothofagus pumilio) resulting from local adaptation
Soliani, Carolina; Mattera, María Gabriela; Marchelli, Paula; Azpilicueta, Maria Marta; Dalla Salda, Guillermina (Springer, 2021-06)The resistance of different genotypes to abiotic stress may be due to genetic effects and/or to phenotypic plasticity allowing them to acclimate to variable conditions. The contribution of one or the other mechanism ... -
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- ... -
Enhanced high-spatial resolution radiographic images based on COTS CMOS image sensors applied to wood dendrochronology and densitometry
Corzi, Damian Leonel; Lipovetzky, Jose; Alcalde Bessia, Fabricio Pablo; Baqué, Laura; Sergent, Anne Sophie Marie; Pérez, Martín; Sofo Haro, Miguel; Artola Vinciguerra, Ignacio Carlos; Martinez Meier, Alejandro; Dalla Salda, Guillermina; Varela, Santiago Agustin; Gómez Berisso, Mariano (Elsevier, 2024-03)The imaging of wood samples using X-rays for the study of dendrochronology and densitometry is predominantly conducted through analog films subsequently digitized or, in more advanced instances, with expensive flat-panel ... -
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 ... -
Monitoreo del crecimiento arbóreo en bosques nativos argentinos: una valiosa herramienta para estimar los impactos del cambio climático
Srur, Ana; Villalba, Ricardo; Martinez Meier, Alejandro; Brand, Reinhardt; Amoroso, Mariano; Alvarez, Juan; Bianchi, Lucas; Blundo, Cecilia; Bogino, Stella; Carilla, Julieta; Chacón, Martina; Dalla Salda, Guillermina; Daux, Valérie; Diez, Juan Pablo; Ferrero, Eugenia; Magnin, Amaru; Malizia, Agustina; Morales, Mariano; Mundo, Ignacio; Peri, Pablo Luis; Pitte, Pedro; Prislan, Peter; Quesada, Juan; Radins, Marcos; Rodriguez-Catón, Milagros; Sergent, Anne Sophie Marie; Sione, Silvana María José; Vega, Leticia; Villagra, Pablo E.; Wouters, Daiana (Red Argentina de Ciencia y Tecnología Forestal, 2023-03-27)El objetivo general de esta comunicación es dar a conocer la propuesta de implementación de un programa nacional de monitoreo del crecimiento de especies forestales nativas en diferentes ecosistemas de Argentina. Este ... -
Prediction of hydraulic conductivity loss from relative water loss: new insights into water storage of tree stems and branches
Rosner, Sabine; Heinzeb, Berthold; Savia, Tadeja; Dalla Salda, Guillermina (Wiley, 2019-04)More frequently occurring, drought waves call for a deeper understanding of tree hydraulics and fast and easily applicable methods to measure drought stress. The aim of this study was to establish empirical relationships ... -
¿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 ... -
Receta práctica paso a paso para construir dendrómetros de punto de bajo costo
Diez, Juan Pablo; De Paz, Manuel; Varela, Santiago Agustin; Dalla Sald, Guillermina; Sergent, Anne Sophie; Martinez Meier, Alejandro (Asociación Argentina de Ecología, 2020-08)Los dendrómetros automáticos de punto son equipos de medición que se usan en la actividad forestal para medir en alta resolución espacial y temporal las variaciones en el fuste de los árboles. Esta información con gran ... -
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 ...