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Mostrando ítems 1-6 de 6

    • 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 ...

    • 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 ...

    • Monitoring drylands: The MARAS system 

      Oliva, Gabriel Esteban; Bran, Donaldo Eduardo; Gaitan, Juan Jose; Ferrante, Daniela; Massara Paletto, Virginia; Garcia Martinez, Guillermo Carlos; Adema, Edgardo Osvaldo; Enrique, Mario Luis; Dominguez, Erwin; Paredes, Paula Natalia (Elsevier, 2018-11-09)
      MARAS (Monitoring of Arid and Semiarid Regions) consists of 379 ground monitors in Patagonia, a 624.500 km2 semiarid area of southern Argentina and Chile. The objective of this paper was to describe the system and analyze ...

    • Relación entre índices de sequía usando datos meteorológicos y satelitales, en la estepa magallánica seca (Patagonia) 

      Paredes, Paula Natalia; Maglione, Dora; Sandoval, Marisa; Soto, Julio; Bonfili, Oscar; Humano, Gervasio (Facultad de Ciencias Económicas, Universidad de Buenos Aires, 2022-04)
      Los efectos de la sequía impactan en el sector productivo de las distintas regiones, incidiendo en la vegetación, la disponibilidad de agua y las consecuencias que ello ocasiona, por lo que resulta de interés el estudio ...

    • Remotely‐sensed primary productivity shows that domestic and native herbivores combined are overgrazing Patagonia 

      Oliva, Gabriel Esteban; Paredes, Paula Natalia; Ferrante, Daniela; Cepeda, Carla Tamara; Rabinovich, Jorge Eduardo (Wiley; British Ecological Society, 2019-04)
      1.Carrying capacity is the maximum animal density an area can sustain without deterioration of its resources. Overgrazing has degraded Patagonia, but sheep stocks decreased and gave way to mixed systems with cattle, goats ...

    • The MARAS dataset, vegetation and soil characteristics of dryland rangelands across Patagonia 

      Oliva, Gabriel Esteban; Dos Santos, Eder; Osiris, Sofia; Umaña, Fernando; Massara Paletto, Virginia; Garcia Martinez, Guillermo Carlos; Caruso, Cecilia Alejandra; Cariac, German; Echevarria, Daniela Carola; Fantozzi, Anabella Giselle; Butti, Lucas Ramiro; Bran, Donaldo Eduardo; Gaitan, Juan Jose; Ferrante, Daniela; Paredes, Paula Natalia; Dominguez, Erwin; Maestre, Fernando Tomás (Nature Research, 2020)
      We present the MARAS (Environmental Monitoring of Arid and Semiarid Regions) dataset, which stores vegetation and soil data of 426 rangeland monitoring plots installed throughout Patagonia, a 624.500 km2 area of southern ...