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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 ... -
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 ... -
Long-term monitoring reveals the effect of precipitation and silviculture on Nothofagus regeneration in Northern Patagonia mixed forests
Sola, Georgina Giselle; Mateo, Camila; Dezzotti, Alejandro; Marchelli, Paula; Attis Beltrán, Hernán; Sbrancia, Renato; Chauchard, Luis Mario; González Peñalba, Marcelo; Lara, Martín; El Mujtar, Veronica Andrea (Springer, 2024-04)Background: Tree regeneration is a key component of resilience because it promotes post-disturbance recovery of forests. Northwestern Patagonia from Argentina is occupied by Nothofagus alpina (Na), N. obliqua (No), and N. ... -
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 ... -
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 ... -
MASTREE+: Time-series of plant reproductive effort from six continents
Hacket-Pain, Andrew; Foest, Jessie J.; Pearse, Ian S.; LaMontagne, Jalene M.; Koenig, Walter D.; Vacchiano, Giorgio; Bogdziewicz, Michał; Caignard, Thomas; Celebias, Paulina; Peri, Pablo Luis; Ascoli, Davide; Gallo, Leonardo Ariel; Marchelli, Paula (Wiley, 2022-04-01)Significant gaps remain in understanding the response of plant reproduction to environmental change. This is partly because measuring reproduction in long-lived plants requires direct observation over many years and such ... -
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 ... -
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 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 ... -
Pastizales patagónicos: avances en la domesticación del coirón blanco con fines productivos y de restauración ecosistémica
Marchelli, Paula; Lopez, Aldana; Azpilicueta, Maria Marta; Nagahama, Nicolas; Lopez, Dardo Ruben; Caballe, Gonzalo; Guidalevich, Verónica; Angeli, Juan Pablo; Aparicio, Alejandro Gabriel; Ugarte, Cristina Cecilia; Beider, Adriana Mariela; Siffredi, Guillermo Lorenzo (Ediciones INTA, 2021-12)La gran heterogeneidad ambiental, la alta presión de pastoreo histórica y el cambio climático imponen fuertes presiones sobre las especies nativas de los pastizales de Patagonia. Estos pastizales están dominados por ... -
Phylogenetic relationships and intraspecific diversity of a North Patagonian Fescue: evidence of differentiation and interspecific introgression at peripheral populations
Lopez, Aldana; Azpilicueta, Maria Marta; Lopez, Dardo Ruben; Siffredi, Guillermo Lorenzo; Marchelli, Paula (2018-03)Peripheral sites usually offer suboptimal conditions for species with wide distributions, where expression of phenotypic variability and potential interspecific hybridization might be enhanced. The Patagonian steppe, the ... -
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 ... -
Predicting the distribution of plant species from southern South America: are the hotspots of genetic diversity threatened by climate change?
Soliani, Carolina; Ceccarelli, Viviana; Lantschner, Maria Victoria; Thomas, Evert; Marchelli, Paula (Springer, 2024-01)Biodiversity in all its dimensions is being threatened by climate change and the impact of human activities. Genetic diversity is a key dimension of biodiversity underlying adaptation to global changes. Here we assess the ... -
Primeros pasos en el uso de la espectroscopía de infrarrojo cercano para la caracterización fenotípica de Nothofagus alpina
Arias Rios, Jorge Andrés; Marchelli, Paula; Batistelli, Marianela; El Mujtar, Veronica Andrea (Red Argentina de Ciencia y Tecnología Forestal, 2023-03)La conservación, el manejo y la restauración de ecosistemas boscosos requiere conocer la variación ecológica de caracteres fenotípicos, cuya expresión depende de la interacción entre el genotipo y el ambiente. Los ensayos ... -
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 ... -
¿Puede el peletizado y el uso de hidrogel mejorar la implantación de Festuca pallescens en condiciones naturales? Comunicación
Martin Albarracin, Valeria Leticia; Easdale, Marcos Horacio; Avanzini, Germán; Azpilicueta, Maria Marta; Guidalevich, Verónica; Lopez, Aldana Soledad; Marchelli, Paula (Asociación Argentina de Producción Animal, 2022-11)La alta presión de pastoreo, junto con el cambio climático, están provocando el retroceso de algunos pastizales en zonas productivas de la Patagonia. Esto es lo que ocurre con los pastizales dominados por Festuca pallescens ... -
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 ... -
Respuesta del crecimiento de clones de Maqui; seleccionados de los Bosques Andinopatagónicos de Argentina; frente a distintas condiciones de cultivo
Roldan, Cecilia Soledad; El Mujtar, Veronica Andrea; Caballe, Gonzalo; Marchelli, Paula; Berli, Federico Javier (INTA - CIEFAP - CONICET, 2022-03)El maqui (Aristotelia chilensis (Mol.) Stunz) es una especie nativa de los bosques andinopatagónicos de Argentina y Chile; considerada como un Producto Forestal no Maderero (Misle et al. 2011; Vogel et al. 2016). Crece ...