autores
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Autores
Mostrando ítems 21-40 de 58
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Half a century of changes in the riverine landscape of Limay River: the origin of a riparian neoecosystem in Patagonia (Argentina)
Datri, Leonardo Ariel; Faggi, Ana Maria; Gallo, Leonardo Ariel; Carmona, Facundo (Springer, 2016-06)Our study aims to determine the dynamic that led to the spread of exotic Salicaceae on the Limay River floodplain and its implications in shaping the current neoecosystem. We used images obtained by the HRG sensor on board ... -
Halfway encounters: Meeting points of colonization routes among the southern beeches Nothofagus pumilio and N. antarctica
Soliani, Carolina; Tsuda, Yoshiaki; Bagnoli, Francesca; Gallo, Leonardo Ariel; Vendramin, Giovanni Giuseppe; Marchelli, Paula (2015-04)The Patagonian region is characterized by a complex biogeographic history, with evidence of deep phylogeographic breaks shared among species. Of particular interest to conservation is the nature of colonization and settlement ... -
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 ... -
Información científica clave para la gestión y conservación del ecosistema biocultural del Pewén en Chile y Argentina = Relevant scientific information for management and conservation of the Pewen biocultural ecosystem in Chile and Argentina
Sanguinetti, Javier; Ditgen, Rebecca S.; Donoso Calderón, Sergio R.; Hadad, Martín A.; Gallo, Leonardo Ariel; González, Mauro E.; Ibarra, J Tomás; Ladio, Ana H.; Lambertucci, Sergio A.; Marchelli, Paula; Mundo, Ignacio A.; Nuñez, Martín A.; Pauchard, Aníbal; Puchi, Paulina; Relva, María A.; Skewes, Oscar; Shepherd, John D.; Speziale, Karina L.; Vélez, María L.; Salgado Salomón, María E.; Zamorano Elgueta, Carlos (Facultad de Ciencias Forestales y Recursos Naturales, Universidad Austral de Chile, 2023-05)El bosque de Araucaria araucana (“pewén” en lengua Mapuche), con sus especies asociadas del género Nothofagus, es singular desde el punto de vista evolutivo, biológico y sociocultural. Por la interdependencia con el pueblo ... -
Integrating genetics and suitability modelling to bolster climate change adaptation planning in Patagonian nothofagus forests
Marchelli, Paula; Thomas, Evert; Azpilicueta, Maria Marta; Zonneveld, Maarten van; Gallo, Leonardo Ariel (2017)We investigated the impact of past changes in habitat suitability on the current patterns of genetic diversity of two southern beeches (Nothofagus nervosa and Nothofagus obliqua) in their eastern fragmented range in ... -
Is local best? Examining the evidence for local adaptation in trees and its scale
Boshier, David; Broadhurst, Linda; Cornelius, Jonathan; Gallo, Leonardo Ariel; Koskela, Jarkko; Loo, Judy; Petrokofsky, Gillian; St Clair, Bradley (2015-10)Background: Although the importance of using local provenance planting stock for woodland production, habitat conservation and restoration remains contentious, the concept is easy to understand, attractive and easy to ... -
Logging by selective extraction of best trees: Does it change patterns of genetic diversity? : The case of Nothofagus pumilio
Soliani, Carolina; Gallo, Leonardo Ariel; Marchelli, Paula; Vendramin, Giovanni Giuseppe (2016)Un amplio conocimiento de las consecuencias ecológicas y genéticas de la aplicación de las prácticas de gestión en los ecosistemas naturales es de fundamental importancia para las acciones de conservación. El principal ... -
Management of Nothofagus genetic resources: Definition of genetic zones based on a combination of nuclear and chloroplast marker data
Azpilicueta, Maria Marta; Gallo, Leonardo Ariel; van Zonneveld, Maarten; Thomas, E.; Moreno, Angela Carolina; Marchelli, Paula (Elsevier, 2013-08-15)Development of appropriate forest conservation and management measures for a given tree species includes the identification of distinct genetically homogeneous units across its overall distribution range, which depends on ... -
Manual de viverización, cultivo y plantación de Roble Pellín en el norte de la región Andino Patagónica
Azpilicueta, Maria Marta; Varela, Santiago Agustin; Martinez, Abel Hector Maria; Gallo, Leonardo Ariel (Ediciones INTA, 2010)Las especies leñosas nativas de nuestros Bosques Andino-Patagónicos no sólo conforman parte de nuestro patrimonio natural, al cual debemos conservar, sino que además muchas de ellas se presentan como una alternativa ... -
Mixed Nothofagus forest management: a crucial link between regeneration, site and microsite conditions
Sola, Georgina Giselle; El Mujtar, Veronica Andrea; Attis Beltran, Hernan; Chauchard, Luis Mario; Gallo, Leonardo Ariel (Springer Nature, 2020)Canopy openings due to harvesting practices constitute a disturbance that changes the environmental conditions of microsites. Its impact on the relative performance of the regeneration of different tree species could also ... -
Nothofagus alpina genotypes. Nothofagus obliqua genotypes [Conjunto de datos]
Sola, Georgina Giselle; Marchelli, Paula; Gallo, Leonardo Ariel; Chauchard, Luis Mario; El Mujtar, Veronica Andrea (2022)Data from: Stand development stages and recruitment patterns influence fine-scale spatial genetic structure in two Patagonian Nothofagus species -
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 ... -
Pattern of natural introgression in a Nothofagus hybrid zone from South American temperate forests
El Mujtar, Veronica Andrea; Sola, Georgina Giselle; Aparicio, Alejandro Gabriel; Gallo, Leonardo Ariel (Springer-Verlag Berlin Heidelberg, 2017-03-29)Interspecific gene flow is a common phenomenon in Nothofagaceae species; however, the dynamics of introgression in hybrid zones remains largely unknown. We focused on two ecologically and morphologically different Nothofagus ... -
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 ... -
Phylogeography of two hybridizing southern beeches (Nothofagus spp.) with different adaptive abilities
Soliani, Carolina; Gallo, Leonardo Ariel; Marchelli, Paula (Springer, 2011-12-17)In phylogenetically related plant species, hybridization can influence their current genetic structure. Long-lasting hybridization may be related to persistence in shared glacial refugia, where the differential abilities ... -
Progeny sampled and genotyped from mother trees for the study "Extensive pollen flow in a natural fragmented population of Patagonian cypress Austrocedrus chilensis" [Conjunto de datos]
Colabella, Fernando; Gallo, Leonardo Ariel; Moreno, Angela Carolina; Marchelli, Paula (2014)Habitat fragmentation might significantly affect mating and pollen dispersal patterns in plant populations, contributing to the decline of remnant populations. However, wind-pollinated species are able to disperse pollen ... -
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 ... -
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 ... -
Roble pellín (Nothofagus obliqua): A Southern Beech with a Restricted Distribution Area But a Wide Environmental Range in Argentina
Azpilicueta, Maria Marta; Marchelli, Paula; Aparicio, Alejandro Gabriel; Pastorino, Mario Juan; El Mujtar, Veronica Andrea; Torres, Cristian Daniel; Puntieri, Javier Guido; Stecconi, Marina; Barbero, Fernando Alvaro; Lozano, Liliana; Gallo, Leonardo Ariel (Springer, 2021)Nothofagus obliqua (Mirb.) Oerst. (Nothofagaceae, Hill and Jordan 1993), known as ‘roble’, ‘pellín’, ‘roble pellín’ or ‘hualle’, is a tree species endemic to South American temperate forests. It is under protection in ...