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Mostrando ítems 1-6 de 6
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Do populations of Festuca pallescens from a rainfall gradient differ in the expression of morpho-physiological traits under drought stress?
Lopez, Aldana; Lopez, Dardo Ruben; Caballe, Gonzalo; Edwards, Priscila; Marchelli, Paula (Elsevier, 2023-06)In arid environments, stochastic rainfall and high evapotranspiration force plants to optimize water resources. North Patagonia is characterized by a deep rainfall gradient that gives rise to environments with very contrasting ... -
Evaluation of plantation and early development of five alternatives to ponderosa pine in silvopastoral systems in northwest Patagonia, Argentina
Varela, Santiago Agustin; Caballe, Gonzalo; Willems, Priscila Mabel; Diez, Juan Pablo; Godoy, María Marcela (2016)En la región patagónica de Argentina, silvopastoril, los sistemas se basan en las plantaciones de coníferas exóticas en pastizales naturales del ecotono estepa-bosque Pino ponderosa es la especie más ampliamente utilizados ... -
Local adaptation along a sharp rainfall gradient occurs in a native Patagonian grass, Festuca pallescens, regardless of extensive gene flow
Lopez, Aldana Soledad; Lopez, Dardo Ruben; Caballe, Gonzalo; Siffredi, Guillermo Lorenzo; Marchelli, Paula (Elsevier, 2020-03)Increasing global aridity combined with changing environmental conditions might cause irreparable alterations in arid and semiarid ecosystems. Knowledge of within-species genetic diversity and adaptive responses, especially ... -
Maqui (Aristotelia chilensis [Mol.] Stuntz) morphological and phenolic traits associated with forests type and latitudinal gradient in natural populations of Patagonia Argentina
Roldan, Cecilia Soledad; Caballe, Gonzalo; Fontana, Ariel; Viale, Maximiliano; Berli, Federico Javier (Elsevier, 2021-12)Maqui (Aristotelia chilensis [Mol.] Stuntz) is a native berry of the Patagonia Andean forests, which has one of the highest antioxidant levels currently known. This biochemical characteristic strongly depends on the phenolic ... -
Modeling leaf maximum net photosynthetic rate of Festuca pallescens, the dominant perennial grass of Patagonian pine-based silvopastoral systems
Caballe, Gonzalo; Fernandez, María Elena; Gyenge, Javier; Aparicio, Alejandro Gabriel; Schlichter, Tomas Miguel (2011-09)The integrated relationship in a simple mechanistic model between the critical environmental factors controlling leaf photosynthesis of understory species would be a useful tool to optimize the management of the silvopastoral ... -
Where to find structural grade timber: a case study in ponderosa pine based on stand and tree level factors
Caballe, Gonzalo; Santaclara, Oscar; Diez, Juan Pablo; Letourneau, Federico Jorge; Merlo, Esther; Martinez Meier, Alejandro (Elsevier, 2020-03-01)Using portable acoustic tools, measurements of dynamic modulus of elasticity (Ed) were made in standing ponderosa pine (Pinus ponderosa (Dougl. ex Laws)) trees (n =437) growing in 22 stands encompassing the range of ...