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Mostrando ítems 1196-1215 de 16554

    • Arbuscular mycorrhizal fungi from argentinean highland puna soils unveiled by propagule multiplication 

      Covacevich, Fernanda; Hernandez Guijarro, Keren; Crespo, Esteban; Lumini, Erica; Rivero Mega, María Soledad; Lugo, Mónica (Multidisciplinary Digital Publishing Institute (MDPI), 2021-08-30)
      Low arbuscular-mycorrhizal (AM) sporulation in arid field soils limits our knowledge of indigenous species when diversity studies are based only on spore morphology. Our aim was to use different approaches (i.e., spore ...

    • Archeology, stone tools and RIMAPS technique A quantitive characterization of use - wear traces 

      Pal, N.; Alvarez, M.R.; Briz, I.; Dominguez, A.; Favret, Eduardo Alfredo (Microscopy Society of America, 2020-04-28)
      Archaeology relies on material remains to attain a broad comprehensive understanding of humanevolution, creating undeniable challenges to the methodological field. Microscopy and image techniques have had a paramount role ...

    • Archetypal classification of vegetation dynamics of a humid subtropical forest region from North-East Argentina 

      Díaz Villa, M. Virginia E.; Cristiano, Piedad M.; Easdale, Marcos Horacio; Bruzzone, Octavio Augusto (Elsevier, 2023-04)
      With the aim of studying the primary productivity dynamics of subtropical forests with different degrees of intervention or change due to human intervention, we classify the ecosystems of an area in northeastern Argentina, ...

    • Archetypal temporal dynamics of arid and semi-arid rangelands 

      Bruzzone, Octavio Augusto; Easdale, Marcos Horacio (Elsevier, 2021-03)
      The way in which temporal dynamics structure ecological systems under the influence of a changing environment has long interested ecologists. Tackling the hierarchical structure of complex temporal patterns is a necessary ...

    • Are invasive species promoting yellowjacket invasion in Patagonia? 

      Masciocchi, Maite; Villacide, Jose Maria; Buteler, Micaela; Martinez Von Ellrich, Andres (Wiley, 2022-06)
      In recent decades, yellowjacket wasps, including Vespula vulgaris, have successfully been established in Patagonia. Additionally, the invasive willow Salix fragilis has also invaded areas next to watercourses, which in ...

    • Are Patagonia grasslands being overgrazed? A response to Marino et al. (2020) 

      Oliva, Gabriel Esteban; Paredes, Paula Natalia; Ferrante, Daniela; Cepeda, Carla Tamara; Rabinovich, Jorge Eduardo (Wiley, 2020-09)
      Based upon primary productivity estimates, Oliva et al. (2019) concluded that, at the end of last century and after long periods of overgrazing, Patagonia's domestic stocks adjusted to regional‐scale herbivore carrying ...

    • Are remote sensing evapotranspiration models reliable across South American ecoregions? 

      Melo, D.C.D.; Anache, J.A.A.; Borges, V.P.; Miralles, D.G.; Martens, B.; Fisher, J.B.; Nobrega, R.C.B.; Moreno, A.; Cabral, O.M.R.; Rodrigues, T.R.; Bezerra, B.; Silva, C.M.S.; Meira Neto, A.A.; Moura, M.S.B.; Marques, T.V.; Campos, S.; Nogueira, J.S.; Rosolem, R.; Souza, R.; Antonino, A.C.D.; Holl, D.; Galleguillos, M.; Perez-Quezada, J.F.; Verhoef, A.; Kutzbach, L.; Lima, J.R.S.; Souza, E.S.; Gassman, M.I.; Perez, C.F.; Tonti, N.; Posse Beaulieu, Gabriela; Rains, D.; Oliveira, P.T.S.; Wendland, E. (Wiley, 2021-11-01)
      Many remote sensing-based evapotranspiration (RSBET) algorithms have been proposed in the past decades and evaluated using flux tower data, mainly over North America and Europe. Model evaluation across South America has ...

    • Are silvopastoral systems compatible with forest regeneration? An integrative approach in southern Patagonia 

      Soler Esteban, Rosina Matilde; Martínez Pastur, Guillermo José; Peri, Pablo Luis; Lencinas, María Vanessa; Pulido, Fernando (2013-12)
      We used an integrated approach to analyze the influence of silvopastoral management on the biotic and abiotic factors influencing on the natural recruitment of native forests in Tierra del Fuego (Argentina). The probabilities ...

    • Are Sunflower chlorotic mottle virus infection symptoms modulated by early increases in leaf sugar concentration? 

      Rodriguez, Marianela; Taleisnik, Edith; Lenardon, Sergio Luis; Lascano, Hernan Ramiro (Elsevier, 2010-09-15)
      Symptom development in a susceptible sunflower line inoculated with Sunflower chlorotic mottle virus (SuCMoV) was followed in the second pair of leaves at different post-inoculation times: before symptom expression (BS), ...

    • Are the rhizosphere fungal communities of Nothofagus alpina established in two different environments influenced by plant genetic diversity? 

      Fernandez, Natalia Veronica; Marchelli, Paula; Tenreiro, Rogério; Chaves, Sandra; Fontenla, Sonia Beatriz (Elsevier, 2020-10)
      Fungi are one of the most important soil microorganisms due to their abundance and the importance of the ecosystem processes they carry out, like decomposition, nutrient cycling, and the establishment of biological ...

    • Are there different vigilance strategies between types of social units in Lama guanicoe? 

      Taraborelli, Paula Andrea; Moreno, Pablo Gastón; Mosca Torres, Maria Eugenia (Elsevier, 2019-10)
      Group vigilance is a cooperative behaviour in social species that reduces individual risk of predation. Lama guanicoe is a social species of camelid performing cooperative vigilance, but little is known about the vigilance ...

    • Are winter rangelands enough to satisfy the nutritional requirements of late‑gestation transhumant goats in Patagonia? 

      Caballero, Veronica Jorgelina; Romero Martinez, Jesus; Borrelli, Laura Beatriz; Castillo, Daniel Alejandro; Mikuc, Juan Pablo; Villar, Maria Laura; Villagra, Edgar Sebastian (Springer, 2022-08-03)
      Transhumant herds graze across two different rangeland types according to the season. Winter rangelands differ from summer rangelands in the amount and quality of available fodder, with the former being the less productive. ...

    • Areas homogéneas de producción agrícola en la provincia de Buenos Aires, Argentina 

      Diaz Zorita, Martin; Fernández Canigia, María Virginia (Facultad de Ciencias Agrarias y Forestales, Universidad Nacional de La Plata, 1996)
      Al considerarse los registros históricos de rendimientos de granos de girasol, maíz, trigo y soja, durante el período 1970-1993, se delimitaron 22 áreas homogéneas de producción agrícola en la provincia de Buenos Aires. ...

    • Argentina and Brazil Could Expand Wheat Production Due to the War in Ukraine 

      Colussi, Joana; Schnitkey, Gary; Cabrini, Silvina María (University of Illinois, 2022-04-08)
      The war in Ukraine is expected to expand wheat production in Argentina and Brazil, the primary wheat-producing nations in South America. Both nations will likely already increase wheat planting this season, which begins ...

    • Argentina con energías renovadas 

      Pérez Casar, María Laura (Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2014-08)
      La FAO y el INTA comprobaron que el 80 por ciento de los recursos forestales de este país constituyen una importante fuente de biomasa energética. Una alternativa económica y ambientalmente viable

    • La Argentina es una potencia agroalimentaria muy importante 

      Flores Nava, Alejandro (Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2012-08)
      Así lo asegura el representante de la FAO, Alejandro Flores Nava, en una entrevista exclusiva con Revista RIA. Ciencia y tecnología al servicio del desarrollo nacional.

    • "Argentina tiene 2.2 millones de hectáreas bajo riego y puede ampliarlas en un 50 % sin grandes inversiones": reportaje a Ramón Mauricio Sánchez, Ex INTA Ascasubi 

      De Rossi, Rafael Pablo (EEA Alto Valle, INTA, 2022)
      Resumí en un párrafo tus primeros pasos: lugar de origen, universidad de la que egresaste, ingreso al INTA y maestría en Oregon. Soy nacido en Ingeniero White, Bahía Blanca, hijo de una familia de inmigrantes de España. ...

    • “La Argentina tiene una política de Estado que jerarquiza la CyT” : entrevista exclusiva a Lino Barañao 

      Barañao, Jose Lino Salvador (Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2011-12)
      En los últimos años, el Ministerio de Ciencia logró complementar eficazmente el conocimiento con la actividad productiva. A futuro se consideran fuertes interacciones con países de la región y planes para consolidar la ...

    • La Argentina, entre los países que protegen la capa de ozono 

      Puerta, Analia Veronica (INTA, 2023-04-25)
      A partir de la implementación de tecnologías sustentables, nuestro país cumple con su compromiso asumido en el Protocolo de Montreal, un acuerdo internacional ambiental que apunta a recuperar la capa de ozono. El aporte ...

    • Argentina. Sello Alimentos Argentinos 

      Pighin, Darío Gabriel; Tam, C.; Pazos, Adriana Alejandra; Barcus, M. C.; Moron, J. M.; Moron, P. H.; Nimo, M.; Grigioni, Gabriela Maria (2019)
      Resumen Alimentos Argentinos es un sello de calidad que distingue los alimentos argentinos y sus atributos diferenciadores –proceso, producto y envase-. Es gratuito, temporal, voluntario y puede ser solicitado por productores ...