Títulos 

Títulos

Mostrando ítems 2404-2423 de 16459

    • Carbon accumulation along a stand development sequence of Nothofagus antarctica forests across a gradient in site quality in Southern Patagonia 

      Peri, Pablo Luis; Gargaglione, Veronica Beatriz; Martínez Pastur, Guillermo José; Lencinas, María Vanessa (Elsevier, 2010-06-25)
      Above- and below-ground C pools were measured in pure even-aged stands of Nothofagus antarctica (Forster f.) Oersted at different ages (5–220 years), crown and site classes in the Patagonian region. Mean tissue C concentration ...

    • Carbon and nitrogen sequestration in soils under different management in the semi-arid Pampa (Argentina) 

      Alvarez, Carolina; Alvarez, Carina Rosa; Costantini, Alejandro Oscar; Basanta, Maria (Elsevier, 2014-09)
      Soil management affects distribution and the stocks of soil organic carbon and total nitrogen. The aim of this study was to evaluate the effect of different crop sequences and tillage systems on the vertical distribution ...

    • Carbon and water vapor balance in a subtropical pine plantation 

      Posse Beaulieu, Gabriela; Lewczuk, Nuria; Richter, Klaus; Cristiano, Piedad María (2016-10)
      Afforestation has been proposed as an effective tool for protecting primary and/or secondary forests and for mitigating atmospheric CO2. However, the dynamics of primary productivity differs between plantations and natural ...

    • Carbon balance in grapevine under a changing climate 

      Medrano Gil, Hipolito; Perez Peña, Jorge Esteban; Prieto, Jorge Alejandro; Tomás Mir, Magdalena; Franck, Nicolás; Escalona Lorenzo, José Mariano (2016)
      The measurement of the carbon balances is necessary to evaluate the contribution of different biomes to carbon sequestration and therefore to mitigate the global climate change effects. Carbon balance of grapevine is of ...

    • Carbon dioxide fluxes on a soybean field in Argentina: influence of crop growth stages 

      Posse Beaulieu, Gabriela; Richter, Klaus; Corin, Jorgelina Mariana; Lewczuk, Nuria Andrea; Achkar, Antonio; Rebella, Cesar Manuel (Bentham Open, 2010)
      CO2 fluxes were measured in a soybean field in the Province of Buenos Aires, Argentina, with an eddy covariance system consisting of a CO2/H2O infrared gas analyzer and a sonic anemometer. The measurements were carried out ...

    • Carbon emissions from agricultural expansion and intensification in the Chaco 

      Baumann, Matthias; Gasparri, Néstor Ignacio; Piquer Rodriguez, María; Gavier Pizarro, Gregorio Ignacio; Griffiths, Patrick; Hostert, Patrick; Kuemmerle, Tobias (Wiley, 2017-05)
      Carbon emissions from land‐use changes in tropical dry forest systems are poorly understood, although they are likely globally significant. The South American Chaco has recently emerged as a hot spot of agricultural expansion ...

    • 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 ...

    • Carbon metabolism of peach fruit after harvest: changes in enzymes involved in organic acid and sugar level modifications 

      Borsani, Julia; Budde, Claudio Olaf; Porrini, Lucía; Lauxmann, Martin Alexander; Lombardo, Verónica Andrea; Murray, Ricardo Ernesto; Andreo, Carlos Santiago; Drincovich, María Fabiana; Lara, María Valeria (Oxford Academic, 2009)
      Peach (Prunus persica L. Batsch) is a climacteric fruit that ripens after harvest, prior to human consumption. Organic acids and soluble sugars contribute to the overall organoleptic quality of fresh peach; thus, the ...

    • Carbon pool dynamics after variable retention harvesting in Nothofagus pumilio forests of Tierra del Fuego 

      Chaves, Jimena Elizabeth; Aravena Acuña, Marie Claire; Rodríguez‑Souilla, Julián; Cellini, Juan Manuel; Rappa, Nolan J.; Lencinas, María Vanessa; Peri, Pablo Luis; Martínez Pastur, Guillermo José (Springer Nature, 2023-01-23)
      Background It is necessary to determine the implications for managing forest stands using variable retention harvesting for maintaining carbon and for calculating the effects of different harvesting practices on above‑ and ...

    • Carbon Sequestration in Temperate Silvopastoral Systems, Argentina 

      Peri, Pablo Luis; Banegas, Natalia Romina; Gasparri, Néstor Ignacio; Carranza, Carlos; Rossner, Maria Belen; Martínez Pastur, Guillermo José; Cavallero, Laura; Lopez, Dardo Ruben; Loto, Dante; Fernandez, Pedro David; Powel, Priscila; Ledesma, Marcela; Pedraza, Raúl; Albanesi de Garay, Ada Susana; Bahamonde, Héctor Alejandro; Eclesia, Roxana Paola; Piñeiro, Gervasio (Springer, 2018-01)
      Silvopastoral systems (SPS) provide a wide range of non-provisioning ecosystem services including carbon (C) sequestration. Well-managed SPS outperform both grasslands/pastures and forests in terms of C by increasing soil ...

    • Carbon Storage in Cold Temperate Ecosystems in Southern Patagonia, Argentina. 

      Peri, Pablo Luis (inTech, 2011-08)
      Recently there has been an increasing interest of research related to improve the understanding of carbon (C) sequestration mainly under Article 3.4 of the Kyoto Protocol of the United Nations Framework Convention on Climate ...

    • Carbon-substrate utilization profiles by Cladorrhinum (Ascomycota) 

      Barrera, Viviana Andrea; Martin, Mara Edith; Aulicino, Mónica; Martínez, Sofía; Chiessa, Guido; Saparrat, Mario Carlos Nazareno; Gasoni, Amelia (Asociación Argentina de Microbiología, 2019-04)
      Fungi from the genus Cladorrhinum (Ascomycota) are promising agents in the biocontrol of phytopathogens, in the promotion of plant growth, and in the production of enzymes with technological application. We analyzed ...

    • Carbono de la biomasa microbiana de los suelos como indicador de cambios en sistemas productivos locales 

      Perez Brandan, Carolina; Huidobro, Dina Jorgelina; Alvarez, Marcos David (EEA Salta, INTA, 2020-09)
      La degradación del suelo constituye una de las amenazas más graves que atenta contra la sustentabilidad de los diferentes agroecosistemas de la Provincia de Salta. En este escenario, los microorganismos juegan un papel ...

    • Carbono orgánico bajo diferentes usos del suelo en el sudeste de Entre Ríos 

      Lupi, Ana Maria; Steinbach, Haydeé S.; Ciarlo, Esteban; Romaniuk, Romina Ingrid; Cosentino, Vanina Rosa Noemi; Rimski-Korvakov, Helena; Alvarez, Carina R. (Asociación Argentina de la Ciencia del Suelo, 2022-04-01)
      En el SE de Entre Ríos el uso forestal es poco estudiado en relación al potencial de secuestro de carbono en el suelo (COS) en relación a la textura del suelo y la edad de la plantación. Para conocer el efecto del uso y ...

    • Carbono orgánico del suelo 

      Andriulo, Adrian Enrique; Basanta, Maria; Galarza, Carlos Martin; Lupi, Ana María; Ostinelli, Miriam Mabel; Quiroga, Alberto Raul; Sánchez, Maria Cristina (CR Entre Ríos, 2017-11)
      El objetivo del muestreo es obtener una muestra representativa del sitio con la mayor precisión y el menor costo económico posibles, para la determinación del carbono orgánico del suelo (COS). Dada la heterogeneidad de los ...

    • Carbono orgánico del suelo bajo sistemas de cultivo contrastantes y su relación con la capacidad de proveer nitrógeno 

      Studdert, Guillermo; Domingo, Magalí Noé; Garcia, Gisela Vanesa; Monterubbianesi, María Gloria; Dominguez, Germán Franco (2017)
      Los contenidos de carbono (C) orgánico total (COT) y particulado (COP) del suelo disminuyen con los años bajo agricultura y su variación afecta muchos procesos edáficos que determinan la productividad (e.g. la provisión ...

    • Carbono retenido por la hojarasca y raíces en diferentes usos del suelo en la Región del Chaco semiárido 

      Cespedes Flores, Flora Elizabet; Fernandez, Juan A.; Gimenez, Laura Itatí; Leonhardt, Edgardo Aldo Alberto; Bernardis, Aldo Ceferino (Universidad de Concepción, Chile, 2018)
      Las prácticas de conservación agrícola y diversos sistemas de producción tradicionales pueden incrementar considerablemente el carbono orgánico en suelos. Con el objetivo de evaluar la acumulación de carbono en biomasa de ...

    • Carbono: el elemento que determina la sustentabilidad del agro 

      Guerra, Valeria Ines (Ediciones INTA, 2021-08)
      El suelo constituye un reservorio terrestre de carbono, variando su magnitud a lo largo del territorio. Se estima que al 2040 la pérdida de carbono orgánico puede llegar a 1700 kg por hectárea. Secuestrar carbono con buenas ...

    • Carbono: el elemento que determina la sustentabilidad del agro. 

      Taboada, Miguel Angel (Editorial Fundamento SA, 2022-06-07)
      El suelo constituye un reservorio terrestre de carbono, variando su magnitud a lo largo del territorio. Se estima que al 2040 la pérdida de carbono orgánico puede llegar a 1700 kilos por hectárea