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Mostrando ítems 21-40 de 60
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Genetic variation of leaf pigment content in a southern beech
Arias Rios, Jorge Andrés; El Mujtar, Veronica Andrea; Pastorino, Mario Juan; Marchelli, Paula (Springer, 2022-07)Leaf pigment concentration varied among populations, watersheds and between two consecutive years. The highest concentration of pigments was found in 2018, but both years showed the same trend among populations. Physiological, ... -
Genetic Variation Patterns of “Algarrobos” from the “Great American Chaco” (Prosopis alba, P. nigra, P. hassleri, P. fiebrigii, P. ruscifolia, P. chilensis, and P. flexuosa)
Vega, Carmen Delcira; Aguilar, Dana Lucía; Bessega, Cecilia; Teich, Ingrid; Acosta, Maria Cristina; Cosacov, Andrea; Ewens, Mauricio; Vilardi, Juan; Sérsic, Alicia N.; Verga, Anibal (Springer, 2020-11-19) -
Genetic versus environmental contributions to variation in seedling resprouting in Nothofagus obliqua
Aparicio, Alejandro Gabriel; Zuki, Sebastián Maximiliano; Azpilicueta, Maria Marta; Barbero, Fernando Alvaro; Pastorino, Mario Juan (Springer, 2015-04)Resprouting is an almost universal functional trait in temperate angiosperms and confers persistence at an individual level after the loss of above-ground biomass. The importance of genetic versus environmental sources of ... -
Genomic responses to climate: Understanding local adaptation in the Andean tree species Nothofagus pumilio and implications for a changing world
Sekely, Jill; Marchelli, Paula; Arana, María Veronica; Dauphin, Benjamin; Mattera, Maria Gabriela; Pastorino, Mario Juan; Scotti, Ivan; Soliani, Carolina; Heer, Katrin; Opgenoorth, Lars (Wiley, 2024-03)Nothofagus pumilio is a foundation tree species that inhabits a 2000-km-long range in the southern Andes, a region with two perpendicular environmental gradients: temperature and photoperiod (North–South), and precipitation ... -
Heritable variation in the survival of seedlings from Patagonian cypress marginal xeric populations coping with drought and extreme cold
Aparicio, Alejandro Gabriel; Zuki, Sebastián Maximiliano; Pastorino, Mario Juan; Martinez Meier, Alejandro; Gallo, Leonardo Ariel (Springer, 2012-01)The rear edges of tree species have begun to be perceived as highly valuable for genetic resources conservation and management. In view of expected climatic changes, the responses of trees at their xeric limits may largely ... -
High genetic variation in marginal fragmented populations at extreme climatic conditions of the Patagonian Cypress Austrocedrus chilensis
Arana, María Veronica; Gallo, Leonardo Ariel; Vendramin, Giovanni Giuseppe; Pastorino, Mario Juan; Sebastiani, Federico; Marchelli, Paula (Elsevier, 2010-03)Knowledge about current patterns of genetic structure of populations together with the evolutionary history of a species helps to understand and predict the adaptation of populations to future climate change. We assayed ... -
Host genetics determines food preferences of the moth Perzelia arda (Lepidoptera: Depressariidae)
Pietrantuono, Ana Laura; Pastorino, Mario Juan; Fernandez Arhex, Valeria Cristina; Corley, Juan Carlos; Marchelli, Paula (Wiley, 2021-12)Genetic variation among host plants can influence herbivore behaviour and consequently their abundance, performance and environmental impact. In the Andean- Patagonian forest, the arboreal vegetation is dominated by species ... -
Identificación del origen genético de un rodal semillero implantado de Nothofagus obliqua a través del análisis de dos regiones inter-génicas de ADN de cloroplasto
Azpilicueta, Maria Marta; Marchelli, Paula; Aparicio, Alejandro Gabriel; Pastorino, Mario Juan (Ediciones INTA, 2021-04)En planes de forestación, tanto con fines productivos como de conservación, la correcta elección de la fuente de semilla para utilizar es un factor clave. El área productora de semilla (APS) “Trevelin” de Nothofagus obliqua ... -
Looking at the forest from below: the role of seedling root traits in the adaptation to climate change of two Nothofagus species in Argentina
Duboscq Carra, Virginia Gisela; Letourneau, Federico Jorge; Pastorino, Mario Juan (2018-05)Global climate change (CC) is an evolutionary challenge for natural tree populations. Scientific experts forecast an increase in temperature and a decrease in precipitation in the Argentine Patagonian Cordillera. Knowledge ... -
Low Intensity Breeding of Native Forest Trees in Argentina : Genetic Basis for their Domestication and Conservation
Pastorino, Mario Juan; Marchelli, Paula (Springer Nature, 2021)The first genetic studies on forest trees in Argentina were carried out with exotic fast-growing species and in relation to their productive use. These antecedents, conducted mainly by the National Institute of Agricultural ... -
Native Forests Claim for Breeding in Argentina: General Concepts and Their State
Pastorino, Mario Juan (Springer, 2021)The first genetic studies on forest trees in Argentina were carried out with exotic fast-growing species and in relation to their productive use. These antecedents, conducted mainly by the National Institute of Agricultural ... -
Natives helping foreigners? The effect of inoculation of poplar with patagonian beneficial microorganisms
Mestre, María Cecilia; Pastorino, Mario Juan; Aparicio, Alejandro Gabriel; Fontenla, Sonia Beatriz (2017-12)Inoculation with microorganisms represents an opportunity to enhance tree production, directly affecting plant growth or survival at planting. The aim of the present study was to evaluate the effect of mixed inoculation ... -
Neutral and adaptive variation in the most widely distributed native tree species in Patagonia: on the way to defining provenance regions for Nothofagus pumilio
Mattera, María Gabriela; Torres, Ana Delia; Soliani, Carolina; Aparicio, Alejandro Gabriel; Marchelli, Paula; Pastorino, Mario Juan (2018-09)In our ongoing project, we aim to define Provenance Regions (PR) for the species along its distribution range in Argentina, from 36º S to 55º S. We propose the combination of neutral genetic variation with quantitative ... -
Nothofagus pumilio and N. antarctica: The Most Widely Distributed and Cold-Tolerant Southern Beeches in Patagonia
Soliani, Carolina; Marchelli, Paula; Mondino, Victor Alejandro; Pastorino, Mario Juan; Mattera, María Gabriela; Gallo, Leonardo Ariel; Aparicio, Alejandro Gabriel; Torres, Ana Delia; Tejera, Eduardo; Schinelli Casares, Teresa (Springer, 2021)Nothofagus pumilio (Poepp. & Endl.) Krasser, known as lenga, and Nothofagus antarctica (G. Forster) Oerster, commonly called ñire, are tree species of the temperate forests of southern South America, occurring in temperate-rainy ... -
Patagonian Cypress (Austrocedrus chilensis): The Cedarwood of the Emblematic Architecture of North Patagonia
Aparicio, Alejandro Gabriel; Pastorino, Mario Juan (Springer, 2021)The Patagonian cypress Austrocedrus chilensis (D. Don) Pic. Serm. & Bizzarri, also known as Chilean cedar, is a dioecious, anemophilous, and anemochorous conifer (Cupressaceae), native to Argentina and Chile. In Argentina, ... -
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 ... -
Plantación de especies forestales nativas en matorrales de Patagonia norte: respuesta a la apertura inicial de dosel en sitios contrastantes = Planting native forest species in northern Patagonian woodlands: response to canopy opening in contrasting sites
Nacif, Marcos E.; Goldenberg, Matias Guillermo; Oddi, Facundo José; Pastorino, Mario Juan; Aparicio, Alejandro Gabriel; Garibaldi, Lucas Alejandro (Facultad de Ciencias Forestales y Recursos Naturales, Universidad Austral de Chile, 2023-05)Una estrategia de manejo forestal que podría combinar exitosamente la producción y la conservación de la biodiversidad en bosques naturales, es su enriquecimiento con árboles nativos de valor maderero. En ciertos bosques ... -
Questions, Perspectives and Final Considerations of Planting Native Species Under the Climate Change Conditioning
Pastorino, Mario Juan; Marchelli, Paula; Arana, María Veronica; Aparicio, Alejandro Gabriel (Springer, 2021)There is a growing interest in Argentina (and in the world) for planting native tree species. This has triggered the development of domestication programs for those species with greater productive potential or a key ... -
Raulí (Nothofagus alpina = N. nervosa): The Best Quality Hardwood in Patagonia
Marchelli, Paula; Pastorino, Mario Juan; Azpilicueta, Maria Marta; Duboscq Carra, Virginia Gisela; Sola, Georgina Giselle; El Mujtar, Veronica Andrea; Arana, María Veronica; Arias Rios, Jorge Andrés; Fernandez, Natalia; Fontenla, Sonia Beatriz; González Peñalba, Marcelo; Gallo, Leonardo Ariel (Springer, 2021)Nothofagus alpina (Poepp. and Endl.) Oerst. (= N. nervosa (Phil.) Dim. et Mil.), raulí, is an iconic forest tree species of the South American temperate forests due to its hardwood quality. With a pinkish colour and light ... -
Reflexiones para el día después del COVID 19
Pastorino, Mario Juan (REDFOR.ar - ArgentinaForestal - CONICET, 2021)“Todo tiene un final, todo termina” reza el clásico del rock nacional. Y aunque ya parezca que será eterna, la pandemia del covid 19 también va a terminar y con ella la cuarentena. Tenemos que comenzar a pensar en el día ...