Títulos 

Títulos

Mostrando ítems 41-60 de 212

    • Conservation values of understory vascular plants in even- and uneven-aged Nothofagus antarctica forests 

      Martínez Pastur, Guillermo José; Rosas, Yamina Micaela; Cellini, Juan Manuel; Barrera, Marcelo Daniel; Toro Manríquez, Mónica D.R.; Huertas Herrera, Alejandro; Favoretti Bondar, Santiago; Lencinas, María Vanessa; Peri, Pablo Luis (Springer, 2020-09)
      Usually, stands with aging trees are considered forests with higher conservation values, regardless their structural diversity and other functional attributes. Natural stands present a wide range of age structures, from ...

    • Convergence of soil nitrogen isotopes across global climate gradients 

      Craine, Joseph M.; Elmore, Andrew J.; Wang, Lixing; Augusto, Laurent; Baisden, Troy; Brookshire, E.N.J.; Cramer, Michael D.; Hasselquist, Niles; Hobbie, Erik A.; Kahmen, Ansgar; Kaba, Keisuke; Kranabetter, M.; Mack, M.; Marin-Spiotta, E.; Mayor, J.R.; McLauchlan, K.K.; Michelsen, A.; Nardoto, G.B.; Oliveira, R.S.; Perakis, S.S.; Peri, Pablo Luis; Quesada, C.; Richter, A.; Schipper, L.A.; Stevenson, B.A.; Turner, B.L.; Viani, R.A.G.; Wanek, W.; Zeller, B. (2015-02-06)
      Quantifying global patterns of terrestrial nitrogen (N) cycling is central to predicting future patterns of primary productivity, carbon sequestration, nutrient fluxes to aquatic systems, and climate forcing. With limited ...

    • Correlations between physical and chemical defences in plants: tradeoffs, syndromes, or just many different ways to skin a herbivorous cat? 

      Moles, Angela; Peco, Begoña; Wallis, Ian R.; Foley, William J.; Poore, Alistair G.B.; Seabloom, Eric William; Vesk, Peter A.; Bisigato, Alejandro Jorge; Cella Pizarro, Lucrecia; Clark, Connie J.; Cohen, Philippe S.; Cornwell, William K.; Edwards, Will; Ejrnæs, Rasmus; Gonzales‐Ojeda, Therany; Graae, Bente J.; Hay, Gregory; Lumbwe, Fainess C.; Magaña‐Rodríguez, Benjamín; Moore, Ben D.; Peri, Pablo Luis; Poulsen, John R.; Stegen, James C.; Veldtman, Ruan; Zeipel, Hugo von; Andrew, Nigel R.; Boulter, Sarah L.; Borer, Elizabeth T.; Cornelissen, Johannes H.C.; Farji Brener, Alejandro Gustavo; DeGabriel, Jane L.; Jurado, Enrique; Kyhn, Line A.; Low, Bill; Mulder, Christa P.H.; Reardon Smith, Kathryn; Rodrıguez Velazquez, Jorge; De Fortier, An; Zheng, Zheng; Blendinger, Pedro Gerardo; Enquist, Brian J.; Facelli, Jose M.; Knight, Tiffany; Majer, Jonathan D.; Martinez Ramos, Miguel; McQuillan, Peter; Hui, Francis K.C. (Wiley, 2013-04)
      Most plant species have a range of traits that deter herbivores. However, understanding of how different defences are related to one another is surprisingly weak. Many authors argue that defence traits trade off against ...

    • Decomposition and nutrient release of grass and tree fine roots along an environmental gradient in southern Patagonia 

      Gargaglione, Veronica Beatriz; Bahamonde, Héctor Alejandro; Peri, Pablo Luis (Wiley, 2018-10-25)
      Decomposition of fine roots is a fundamental ecosystem process that relates to carbon (C) and nutrient cycling in terrestrial ecosystems. However, this important ecosystem process has been hardly studied in Patagonian ...

    • Delineación y codificación de cuencas hidrográficas en la Patagonia Austral 

      Diaz, Boris Gaston; Giménez, Melisa; Almonacid, Leandro; Gaspari, Fernanda Julia; Bertinat, Mariano; Peri, Pablo Luis (Universidad Nacional del Comahue, 2021-11-11)
      La definición de la cuenca hidrográfica es fundamental para enfrentar los desafíos de la gestión integrada de los recursos hídricos, considerando las demandas sociales, productivas y ambientales. Su apropiada delimitación ...

    • Desarrollo de la regeneración a lo largo del ciclo del manejo forestal de un bosque de Nothofagus pumilio: 1. Incidencia de la cobertura y el aprovechamiento o cosecha 

      Martinez Pastur, Guillermo José; Peri, Pablo Luis; Fernández, María Cecilia; Staffieri, Gabriela (Facultad de Ciencias Forestales y Recursos Naturales, Universidad Austral de Chile, 1999)
      La Lenga es la especie forestal de mayor impacto económico en la Patagonia. Dentro del bosque es posible encontrar una población importante de renovales, cuya supervivencia depende de la cantidad de luz que el dosel arbóreo ...

    • Desarrollo de la regeneración a lo largo del ciclo del manejo forestal de un bosque de Nothofagus pumilio: 2. Incidencia del ramoneo de Lama guanicoe 

      Martinez Pastur, Guillermo José; Peri, Pablo Luis; Fernández, María Cecilia; Staffieri, Gabriela; Rodríguez, Damaris (Facultad de Ciencias Forestales y Recursos Naturales, Universidad Austral de Chile, 1999)
      Los Nothofagus presentan inconvenientes para regenerarse cuando son sometidos a disturbios sistemáticos y permanentes, como lo es el sobrepastoreo. Los bosques de Tierra del Fuego, libres de ganado vacuno, son afectados ...

    • Desarrollo de un modelo para asignación variable de carga animal (MAVC) en Patagonia Sur 

      Andrade, Miguel Alberto; Suarez, Diego; Peri, Pablo Luis; Borrelli, Pablo; Ormaechea, Sebastián Gabriel; Ferrante, Daniela; Rivera, Emilio Hernan; Sturzenbaum, Maria Virginia (Fundación CIPAV, 2016-11)
      El ajuste de la carga animal es un aspecto clave en el manejo del pastoreo extensivo y en Santa Cruz, Argentina se realiza tradicionalmente utilizando una asignación fija de forraje (AFF) por animal, indistintamente si un ...

    • Differential responses of soil microorganisms to precipitation changes in austral semiarid grasslands 

      Toledo, Santiago; Gargaglione, Veronica Beatriz; Yahdjian, Laura; Peri, Pablo Luis (Elsevier, 2023-06)
      Global climate models predict that precipitation regimes will change, generating great impacts on various ecosystem processes and functions. Therefore, it is important to know how drought and precipitation increases would ...

    • Diversidad de plantas vasculares en bosques continuos y relictuales de Nothofagus antárctica (Nothofagaceae) en Patagonia austral 

      Vettese, Evangelina S.; Orellana Ibáñez, Ivonne Alejandra; Lencinas, María Vanessa; Martínez Pastur, Guillermo José; Peri, Pablo Luis (Universidad de Magallanes, Chile, 2019)
      La historia de los bosques de Nothofagus antarctica (ñire, ñirre) está asociada a profundos disturbios geológicos y climáticos. A éstos se le suman los disturbios más recientes, que junto a los usos culturales de la tierra ...

    • Do light and alfalfa responses to cloth and slatted shade represent those measured under an agroforestry system? 

      Costa Varella, Alexandre; Moot, Derrick; Pollock, K.M.; Peri, Pablo Luis; Lucas, R.J. (Springer Nature, 2011-02)
      Shade cloth is commonly used in agroforestry research. It produces a continuous, uniform reduced light environment. Shade cloth and a slatted structure were compared in relation to the inability to represent the light ...

    • Dominant native and non‐native graminoids differ in key leaf traits irrespective of nutrient availability 

      Broadbent, Arthur A.D.; Firn, Jennifer L.; McGree, James M.; Borer, Elizabeth T.; Buckley, Yvonne M.; Harpole, William Stanley; Komatsu, Kimberly J.; MacDougall, Andrew S., Andrew S.; Orwin, Kate H.; Ostle, Nicholas J.; Seabloom, Eric William; Bakker, Jonathan D.; Biederman, Lori; Caldeira, Maria C.; Eisenhauer, Nico; Hagenah, Nicole; Hautier, Yann; Moore, Joslin L.; Nogueira, Carla; Peri, Pablo Luis; Risch, Anita C.; Roscher, Christiane; Schütz, Martin; Stevens, Carly J. (Wiley, 2020-03-12)
      Nutrient enrichment is associated with plant invasions and biodiversity loss. Functional trait advantages may predict the ascendancy of invasive plants following nutrient enrichment but this is rarely tested. Here, we ...

    • Drivers of seedling establishment success in dryland restoration efforts. 

      Shackelford, Nancy; Paterno, Gustavo B.; Winkler, Daniel E.; Erickson, Todd E.; Leger, Elizabeth A.; Svejcar, Lauren N.; Breed , Martin F.; Faist, Akasha M.; Harrison, Peter A.; Curran, Michael F.; Peri, Pablo Luis; Suding, Katharine L. (Springer Nature, 2021-09)
      Restoration of degraded drylands is urgently needed to mitigate climate change, reverse desertification and secure livelihoods for the two billion people who live in these areas. Bold global targets have been set for dryland ...

    • Early stage litter decomposition across biomes 

      Djukic, Ika; Kepfer-Rojas, Sebastian; Kappel Schmidt, Inger; Steenberg Larsen, Klaus.; Beier, Claus; Berg, Björn; Verheyen, Kris.; Bahamonde, Héctor Alejandro; Peri, Pablo Luis (Elsevier, 2018-02-22)
      Through litter decomposition enormous amounts of carbon is emitted to the atmosphere. Numerous large-scale decomposition experiments have been conducted focusing on this fundamental soil process in order to understand the ...

    • Effect of defoliation frequency on Rytidosperma virescens plants and arbuscular mycorrhizal fungi colonization 

      Toledo, Santiago; Fontenla, Sonia Beatriz; Peri, Pablo Luis (Elsevier, 2022-06-09)
      Rangelands provide different ecosystem services to satisfy human needs. Although grazing management in southern Patagonia is mostly characterized by extensive continuous grazing, rotational grazing management may improve ...

    • Effectiveness of fencing and hunting to control Lama guanicoe browsing damage: Implications for Nothofagus pumilio regeneration in harvested forests 

      Martínez Pastur, Guillermo José; Soler Esteban, Rosina Matilde; Ivancich, Horacio Simón; Lencinas, María Vanessa; Bahamonde, Héctor Alejandro; Peri, Pablo Luis (2016-03-01)
      Browsing damage by native ungulates is often to be considered one of the reasons of regeneration failure in Nothofagus pumilio silvicultural systems. Fencing and hunting in forests at regeneration phase have been proposed ...

    • Effects of Climate and Atmospheric Nitrogen Deposition on Early to Mid-Term Stage Litter Decomposition Across Biomes 

      Kwon, TaeOh; Shibata, Hideaki; Kepfer-Rojas, Sebastian; Schmidt, Inger K.; Larsen, Klaus S; Beier, Claus; Berg, Björn; Verheyen, Kris; Lamarque, Jean-Francois; Hagedorn, Frank; Eisenhauer, Nico; Djukic, Ika; Peri, Pablo Luis (Frontiers Editorial, 2021-07-14)
      Litter decomposition is a key process for carbon and nutrient cycling in terrestrial ecosystems and is mainly controlled by environmental conditions, substrate quantity and quality as well as microbial community abundance ...

    • The effects of land management (grazing intensity) vs. the effects of topography, soil properties, vegetation type, and climate on soil carbon concentration in Southern Patagonia 

      Peri, Pablo Luis; Ladd, Brenton; Lasagno, Romina Gisele; Martínez Pastur, Guillermo José (Elsevier, 2016-11)
      Grazing is an economically important activity in Southern Patagonia’s steppe and woodland ecosystems. In the past, emphasis has been on maximizing the provisioning capacity of these ecosystems with little concern for the ...

    • Effects of long-term low intensity silviculture and habitat on birds in Nothofagus antarctica forests of south Patagonia 

      Benitez, Julieta; Barrera, Marcelo Daniel; Sola, Francisco Javier; Blazina, Ana P.; Martínez Pastur, Guillermo José; Peri, Pablo Luis; Lencinas, María Vanessa (Elsevier, 2022-04-30)
      Low intensity silviculture has been used to decrease the impact of forest harvesting, for example, on bird species and structural diversity. The objective of this work was to analyse the long-term effect of thinning on ...

    • Environmental Conditions and Grazing Exerted Effects on Arbuscular Mycorrhizal in Plants at Southern Patagonia Rangelands 

      Toledo, Santiago; Peri, Pablo Luis; Fontenla, Sonia Beatriz (Elsevier, 2022-03)
      Arbuscular mycorrhizal (AM) fungi play a major role in maintaining ecosystem functions. AM fungi are found in most ecosystems including rangelands currently under increasing pressures from human activities. Southern Patagonia ...