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Mostrando ítems 21-25 de 25
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Robles in Lagunas de Epulauquen, Argentina: previous and recent evidence of their distinctive character
Azpilicueta, Maria Marta; Pastorino, Mario Juan; Puntieri, Javier Guido; Barbero, Fernando Alvaro; Martinez Meier, Alejandro; Marchelli, Paula; Gallo, Leonardo Ariel (2014-12)The northernmost ‘robles’ of Argentina, located in Lagunas de Epulauquen (northwest Patagonia), are considered a population of Nothofagus obliqua, even though they differ in some respects from individuals of other populations ... -
Temperature and day length drive local adaptation in the Patagonian foundation tree species Nothofagus pumilio
Sekely, Jill; Marchelli, Paula; Arana, María Veronica; Dauphin, Benjamin; Mattera, Maria Gabriela; Pastorino, Mario Juan; Scotti, Ivan; Soliani, Carolina; Heer, Katrin; Opgenoorth, Lars (BioRxiv, 2023-04-29)Climate change alters relationships among environmental conditions and thus has the potential to change the selection pressures acting on adaptive gene variants. Using a landscape genomic approach, we show that the southern ... -
Variability in seedling emergence traits of Patagonian Cypress marginal steppe populations
Pastorino, Mario Juan; Sa, Mercedes Susana; Aparicio, Alejandro Gabriel; Gallo, Leonardo Ariel (Springer, 2014-01)Genetic information on adaptive traits is crucial for prediction of the evolution of natural populations in relation to global climate change. The seedling emergence process together with germination is a key adaptive stage ... -
Vegetative propagation of patagonian cypress, a vulnerable species from the subantarctic forest of South America
Aparicio, Alejandro Gabriel; Pastorino, Mario Juan; Martinez Meier, Alejandro; Gallo, Leonardo Ariel (Universidad Austral de Chile, 2009)Increasing risks of loosing forest genetic resources and the need for a sustainable quality wood supply make focusing research efforts on undomesticated tree species necessary. The study of their genetic variation in ... -
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 ...