Now showing items 16-35 of 149

    • Carbon footprint of lamb and Wool production at farm gate and the regional sale in southern Patagonia 

      Peri, Pablo Luis; Rosas, Yamina Micaela; Ladd, Brenton; Díaz-Delgado, Ricardo; Martinez Pastur, Guillermo José (MDPI, 2020-04-11)
      Natural steppe grasslands are the principal food resource for sheep in the Patagonia region, reared for meat and wool. However, there is currently a concern about the relationship between ruminant livestock and climate ...
    • Carbon isotopic signatures of soil organic matter correlate with leaf area index across woody biomes 

      Ladd, Brenton; Peri, Pablo Luis; Pepper, David A.; Silva, Lucas C.R.; Sheil, Douglas; Bonser, Stephen P.; Laffan, Shawn W.; Amelung, Wulf; Ekblad, Alf; Eliasson, Peter; Bahamonde, Héctor Alejandro; Duarte Guardia, Sandra; Bird, Michael I. (Wiley, 2014-11)
      Leaf area index (LAI), a measure of canopy density, is a key variable for modelling and understanding primary productivity, and also water use and energy exchange in forest ecosystems. However, LAI varies considerably with ...
    • Cartografía de un nuevo Modelo de Estados y Transiciones de la Estepa Magallánica Seca en la Patagonia argentina 

      Schenkel, Cintia Anahi; Oliva, Gabriel Esteban; Paredes, Paula Natalia; Humano, Gervasio; Ferrante, Daniela (Asociación Argentina de Ecología, 2021-08)
      Analizamos 103 censos de vegetación de la Estepa Magallánica Seca, un área de 12000 km2 de estepas graminosas semiáridas en el SE de la Patagonia. Los objetivos del presente trabajo fueron ampliar el relevamiento de ...
    • Changes in forest structure values along the natural cycle and different management strategies in Nothofagus antarctica forests 

      Martínez Pastur, Guillermo José; Rosas, Yamina Micaela; Chaves, Jimena Elizabeth; Cellini, Juan Manuel; Barrera, Marcelo Daniel; Favoretti Bondar, Santiago; Lencinas, María Vanessa; Peri, Pablo Luis (Elsevier, 2021-04-15)
      Ecologically sustainable forest management aims to preserve ecosystem integrity by providing wood and non-wood values. For this, it is necessary to determine the losses produced by the different management practices in ...
    • Changes in nutrient and fibre tissue contents in Nothofagus pumilio trees growing at site quality and crown class gradients 

      Chaves, Jimena Elizabeth; Lencinas, María Vanessa; Cellini, Juan Manuel; Peri, Pablo Luis; Martinez Pastur, Guillermo José (Elsevier, 2022-02-01)
      Estimation of biomass and nutrient contents in tree components are essential for evaluating the impact of harvesting on carbon fixation capacity, bio-element recycling, and long-term effect on the balance that influence ...
    • Cisticercosis visceral por Cysticercus tenuicollis en ovinos de faena en la Provincia de Santa Cruz, Argentina 

      Santana, Jorge Luis; Martinez, Agustin; Soulés, Anabel; Milicevic, Francisco; Marcellino, Romanela; Larroza, Marcela Patricia; Robles, Carlos Alejandro (2018-03)
      Durante la zafra 2014-2015 en todos los frigoríficos de la localidad de Río Gallegos, provincia de Santa Cruz, llamó la atención un aumento importante de decomisos de vísceras rojas en corderos, debido a la presencia de ...
    • Climatic controls of decomposition drive the global biogeography of forest tree symbioses 

      Steidinger, B. S.; Crowther, T. W.; Liang, J.; Van Nuland, M. E.; Werner, G. D. A.; Reich, P. B.; Nabuurs, G.; de-Miguel, S.; Zhou, M.; Picard, N.; Herault, B.; Zhao, X.; Zhang, C.; Routh, D.; Peri, Pablo Luis (Springer Nature, 2019-05-15)
      The identity of the dominant root-associated microbial symbionts in a forest determines the ability of trees to access limiting nutrients from atmospheric or soil pools1,2, sequester carbon3,4 and withstand the effects of ...
    • Co-benefits of soil carbon protection for invertebrate conservation 

      Flores-Rios, Angelli; Thomas, Evert; Peri, Pablo Luis; Amelung, Wulf; Duarte Guardia, Sandra; Borchard, Nils; Lizárraga Travaglini, Alfonso; Vélez Azañero, Armando; Sheil, Douglas; Tscharntke, Teja; Steffan-Dewenter, Ingolf; Ladd, Brenton (Elsevier, 2020-12)
      The global decline in invertebrate diversity requires urgent conservation interventions. However, identifying priority conservation areas for invertebrates remains a significant challenge. We hypothesized that aligning the ...
    • Comment on “Worldwide evidence of a unimodal relationship between productivity and plant species richness” 

      Tredennick, Andrew T.; Adler, Peter B.; Grace, James B.; Harpole, W. Stanley; Borer, Elizabeth T.; Seabloom, Eric W.; Anderson, T. Michael; Bakker, Jonathan D.; Biederman, Lori A.; Brown, Cynthia S.; Buckley, Yvonne M.; Chu, Chengjin; Collins, Scott L.; Crawley, Michael J.; Fay, Philip A.; Firn, Jennifer; Gruner, Daniel S.; Hagenah, Nicole; Hautier, Yann; Hector, Andy; Hillebrand, Helmut; Kirkman, Kevin; Knops, Johannes M. H.; Laungani, Ramesh; Lind, Eric M.; MacDougall, Andrew S.; McCulley, Rebecca L.; Mitchell, Charles E.; Moore, Joslin L.; Morgan, John W.; Orrock, John L.; Peri, Pablo Luis; Prober, Suzanne M.; Risch, Anita C.; Schütz, Martin; Speziale, Karina L.; Standish, Rachel J.; Sullivan, Lauren L.; Wardle, Glenda M.; Williams, Ryan J.; Yang, Louie H. (American Association for the Advancement of Science, 2016-01-29)
      Fraser et al. (Reports, 17 July 2015, p. 302) report a unimodal relationship between productivity and species richness at regional and global scales, which they contrast with the results of Adler et al. (Reports, 23 September ...
    • Condiciones de suelo y vegetación en tres bosques quemados de Nothofagus pumilio en Argentina y experiencias para su restauración activa 

      Urretavizcaya, María F.; Peri, Pablo Luis; Monelos, Lucas H.; Arriola, Hernán; Oyharçabal, María Florencia; Contardi, Liliana; Muñoz, Miriam; Sepúlveda, Eduardo; Defossé, Guillermo E. (2018-08)
      El fuego es un disturbio importante en bosques de lenga de Chubut y Santa Cruz, en la Patagonia argentina. Según del tipo de bosque y la severidad del fuego, el sistema resultante puede diferir en gran medida respecto del ...
    • 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; 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 ...
    • Diversidad de plantas vasculares en bosques continuos y relictuales de Nothofagus antárctica (Nothofagaceae) en Patagonia austral 

      Vettese, Evangelina S.; Orellana Ibáñez, Ivonne A.; 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 ...
    • 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 ...