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¿Que hacer luego de la recolección?: Manipulación del fruto y la semilla de especies forestales
Varela, Santiago Agustin; Arana, María Veronica; Martinez, Abel Hector Maria (EEA Bariloche, INTA, 2011-03)Inmediatamente luego de la recolección (ver cuadernillo N° 1), las semillas corren riesgo de sufrir daños si no se tienen en cuenta ciertos factores y aspectos. Generalmente las condiciones de campo bajo las cuales se ... -
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 ... -
Respuestas a la temperatura en especies del género Nothofagus distribuidas en un gradiente altitudinal
Estravis Barcala, Maximiliano (Edición del Autor, 2019-03-07)Las predicciones del Cambio Clim´atico Global para el noroeste de la Patagonia indican un aumento de la temperatura media, acompañado de mayor frecuencia de eventos extremos. En este contexto, es fundamental comprender la ... -
Seed dormancy responses to temperature relate to Nothofagus species distribution and determine temporal patterns of germination across altitudes in Patagonia
Arana, María Verónica; Gonzalez Polo, Marina; Martinez Meier, Alejandro; Gallo, Leonardo Ariel; Benech-Arnold, Roberto Luis; Sanchez, Rodolfo Augusto; Batlla, Diego (2015-08-26)Seeds integrate environmental cues that modulate their dormancy and germination. Although many mechanisms have been identified in laboratory experiments, their contribution to germination dynamics in existing communities ... -
Seed responses to temperature indicate different germination strategies among Festuca pallescens populations from semi-arid environments in North Patagonia
Lopez, Aldana; Marchelli, Paula; Batlla, Diego; Lopez, Dardo Ruben; Arana, María Veronica (Elsevier, 2019-04)Seed germination is one of the earliest phenotypes expressed by plants, and the accuracy to germinate in the correct time and place is essential for plant population fitness. Cues that regulate germination have been ... -
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 ... -
The impact of different natural environments on the regeneration dynamics of two Nothofagus species across elevation in the southern Andes
Cagnacci, Julieta Maria; Estravis Barcala, Maximiliano; Lia, Veronica Viviana; Martinez Meier, Alejandro; Gonzalez Polo, Marina; Arana, María Veronica (Elsevier, 2020-05-15)A widely accepted paradigm in forest ecology proposes that patterns of relative abundance among mature forest trees are largely influenced by biotic and abiotic processes that operate most intensely during the earliest ... -
Water-mediated changes in plant–plant and biological soil crust–plant interactions in a temperate forest ecosystem
Pissolito, Clara; Garibotti, Irene Adriana; Varela, Santiago Agustin; Arana, María Veronica; Gonzalez Polo, Marina; Marchelli, Paula; Bruzzone, Octavio Augusto (Copernicus Publications, 2019-04-09)In the quest to understand how biotic interactions respond to climate change, one area that remains poorly explored is how interactions involving organisms other than vascular plants will respond. However the interactions ...