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Mostrando ítems 1-13 de 13
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Afforestations and wetlands, are they a good combination? Study of water fluxes in two cases of Patagonian wetlands
Weigandt, Mariana Noemi; Gyenge, Javier; Fernandez, María Elena; Varela, Santiago Agustin; Schlichter, Tomas Miguel (Wiley, 2015-04)Wetlands are ecosystems that play a key role in maintaining biodiversity and associated economies (e.g. agriculture and livestock) because they are reservoirs of water and carbon. Globally, these environments have been ... -
Ecuaciones para la estimación de biomasa aérea y volumen de fuste de algunas especies leñosas nativas en el valle del río Foyel, NO de la Patagonia argentina = Equations for above-ground biomass and stem volume of some native woody species growing in Foyel valley, NW Patagonia Argentina
Gyenge, Javier; Fernandez, María Elena; Sarasola, Mauro Miguel; De Urquiza, Maria Mercedes; Schlichter, Tomas Miguel (Facultad de Ciencias Forestales y Recursos Naturales, Universidad Austral de Chile, 2009-08-31)Los bosques y matorrales dominados por ñire (Nothofagus antarctica) se encuentran entre los ecosistemas de mayor distribución latitudinal dentro de los bosques andino patagónicos, conformando gran parte del ecotono ... -
Effect of stand density and pruning on growth of ponderosa pines in NW Patagonia, Argentina
Gyenge, Javier Enrique; Fernandez, María Elena; Schlichter, Tomas Miguel (2010-03)Due to the lack of knowledge about ponderosa pine performance under silvopastoral systems (SPS) conditions, the objective of this study was to determine the effect of stand density and pruning on the growth magnitude of ... -
Is forage productivity of meadows influenced by the afforestation of upstream hillsides? A study in NW Patagonia
Weigandt, Mariana Noemi; Gyenge, Javier Enrique; Fernandez, María Elena; Varela, Santiago Agustin; Schlichter, Tomas Miguel (2011)Meadows are important reserves of water, with a key role in the maintenance of the biodiversity and productivity of ecosystems. In Patagonia, Argentina, afforestation with fast-growing exotic conifers has slowly but ... -
Is forage productivity of meadows influenced by the afforestation of upstream hillsides? A study in NW Patagonia = Afecta la presencia de forestaciones ubicadas en las laderas aguas arriba de mallines su productividad forrajera? Un estudio en el Noroeste Patagónico
Weigandt, Mariana Noemi; Gyenge, Javier; Fernandez, María Elena; Varela, Santiago Agustin; Schlichter, Tomas Miguel (Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), (España), 2011-04-13)Meadows are important reserves of water, with a key role in the maintenance of the biodiversity and productivity of ecosystems. In Patagonia, Argentina, afforestation with fast-growing exotic conifers has slowly but ... -
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 ... -
Physiological and morphological short-term responses to light and temperature in two Nothofagus species of Patagonia, South America
Varela, Santiago Agustin; Fernandez, María Elena; Gyenge, Javier Enrique; Aparicio, Alejandro Gabriel; Bruzzone, Octavio Augusto; Schlichter, Tomas Miguel (2012-12)The study of plant responses to environmental stress factors is essential for management of plant systems and for anticipating their response to climate change. The main goal of this study was to determine morphological ... -
Progress in creating a joint research agenda that allows networked long-term socio-ecological research in southern South America : addressing crucial technological and human capacity gaps limiting its application in Chile and Argentina
Anderson, Christopher B.; Celis-Diez, Juan L.; Bond, Barbara J.; Martinez Pastur, Guillermo José; Little, Christian; Armesto, Juan J.; Ghersa, Claudio Marco; Austin, Amy Theresa; Schlichter, Tomas Miguel; Lara, Antonio; Carmona, Martin; Chaneton, Enrique José; Gutierrez, Julio R.; Rozzi, Ricardo; Vanderbilt, Kristin; Oyarce, Guillermo; Fernandez, Roberto J. (2012-08)Since 1980, more than 40 countries have implemented long-term ecological research (LTER) programs, which have shown their power to affect advances in basic science to understand the natural world at meaningful temporal and ... -
Seedling drought stress susceptibility in two deciduous Nothofagus species of NW Patagonia
Varela, Santiago Agustin; Gyenge, Javier Enrique; Fernandez, María Elena; Schlichter, Tomas Miguel (2010-06)The physiological capacities of seedlings to cope with drought may be subject to strong selective pressure in the context of future climate scenarios, threatening the regeneration and sustainability of forests. Characterization ... -
Stand density and drought interaction on water relations of Nothofagus antarctica : contribution of forest management to climate change adaptability
Gyenge, Javier Enrique; Fernandez, María Elena; Sarasola, Mauro Miguel; Schlichter, Tomas Miguel (2011-12)Nothofagus antarctica is the most representative species of the native mixed forest occupying ecotone areas between forests and steppe in NW Patagonia, South-America. In this type of environment, vulnerability to climate ... -
The sign and magnitude of tree–grass interaction along a global environmental gradient
Mazía, Noemí; Moyano, Jaime; Pérez, Luis; Aguiar, Sebastián; Garibaldi, Lucas Alejandro; Schlichter, Tomas Miguel (2016-12)Aim: The ecological literature posits that positive interactions are preponderant in stressful environments; however, the net balance between positive and negative interactions at the community level is still under debate. ... -
Towards sustainable forestry development in Patagonia: truths and myths of environmental impacts of plantations with fast-growing conifers
Gyenge, Javier; Fernandez, María Elena; Rusch, Veronica Elena; Sarasola, Mauro Miguel; Schlichter, Tomas Miguel (2010)In NW Patagonia region, Argentina, South-America, there are about 70,000 ha of planted forests replacing from native forests to grasslands with different degrees of deterioration due to previous land use. Although forestry ... -
Uso del agua y productividad de los bosques nativos e implantados en el NO de la Patagonia : aproximaciones desde la ecohidrología y la ecofisiología
Gyenge, Javier Enrique; Fernandez, María Elena; Licata, Julián Andrés; Weigandt, Mariana Noemi; Bond, Barbara J.; Schlichter, Tomas Miguel (2011-12)Existe preocupación por el posible uso excesivo de agua de las forestaciones con especies exóticas de rápido crecimiento en comparación con las especies nativas a las cuales reemplazan en la región NO de la Patagonia. ...