Now showing items 1-20 of 25

    • Agricultural expansion and the ecological marginalization of forest-dependent people 

      Levers, Christian; Romero-Muñoz, Alfredo; Baumann, Matthias; De Marzo, Teresa; Fernandez, Pedro David; Gasparri, Nestor Ignacio; Gavier Pizarro, Gregorio Ignacio; de Waroux, Yann le Polain; Piquer Rodríguez, María; Semper Pascual, Asunción; Kuemmerle, Tobias (National Academy of Sciences, 2021-11-02)
      Agricultural expansion into subtropical and tropical forests causes major environmental damage, but its wider social impacts often remain hidden. Forest-dependent smallholders are particularly strongly impacted, as they ...
    • Agricultural expansion in the Semiarid Chaco: poorly selectivecontagious advance 

      Volante, Jose Norberto; Mosciaro, Maria Jesus; Gavier Pizarro, Gregorio Ignacio; Paruelo, José María (Elsevier, 2016-09)
      Clearance for agriculture or cattle ranching was the dominant land-cover change during the last two decades in the South American Dry Chaco. The Argentinean portion has been particularly affected, presenting greater ...
    • Anuran responses to spatial patterns of agricultural landscapes in Argentina 

      Suarez, Romina Paula; Zaccagnini, Maria Elena; Babbitt, Kimberly J.; Calamari, Noelia Cecilia; Natale, Guillermo Sebastian; Cerezo, Alexis; Codugnello, Nadia; Boca, Rosa Teresa; Damonte, María Jimena; Vera Candioti, Josefina; Gavier Pizarro, Gregorio Ignacio (2016-12)
      Context: Amphibians are declining worldwide and land use change to agriculture is recognized as a leading cause. Argentina is undergoing an agriculturalization process with rapid changes in landscape structure. Objectives: ...
    • Assessing wildfire exposure in the Wildland-Urban Interface area of the mountains of central Argentina 

      Argañaraz, Juan Pablo; Radeloff, V.C.; Bar-Massada, A.; Gavier Pizarro, Gregorio Ignacio; Scavuzzo, Carlos Marcelo; Bellis, Laura Marisa (2017-07-01)
      Wildfires are a major threat to people and property in Wildland Urban Interface (WUI) communities worldwide, but while the patterns of the WUI in North America, Europe and Oceania have been studied before, this is not the ...
    • Bird diversity and conservation in the lower delta of the Paraná River, Argentina 

      Fracassi, Natalia; Sica, Yanina V.; Magnano, Andrea Laura; Vaccaro, Anahí; Landó, Roberto; Artero, Diego; Gavier Pizarro, Gregorio Ignacio; Bó, Roberto; Somma, Daniel Jorge; Quintana, Ruben D.; Rodriguez, María José; Cabanne, Gustavo Sebastián (Aves Argentinas y Asociación Ornitológica del Plata, 2021-12)
      The Delta of the Paraná River, one of the most important wetlands in South America, harbors subtropical and temperate bird species. Although this region is key for biodiversity conservation, aspects such as species composition ...
    • Cambios en el uso del suelo y sus efectos a diferentes escalas espaciales y temporales sobre la diversidad de aves en el Bajo Delta del río Paraná 

      Sica, Yanina (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 2016-03)
      Las actividades humanas han modificado una gran proporción de la superficie terrestre. Sus impactos son extensos en particular sobre la biodiversidad y los bienes y servicios que proveen los ecosistemas. Los humedales son ...
    • 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 ...
    • Changes in bird assemblages in a wetland ecosystem after 14 years of intensified cattle farming 

      Sica, Yanina; Gavier Pizarro, Gregorio Ignacio; Pidgeon, Anna Michle; Travaini, Alejandro; Bustamante, Javier; Radeloff, Volker C.; Quintana, Rubén D. (2018-05)
      Human activities have modified wetlands all over the word. Water control structures that are frequently implemented in these ecosystems to keep lands free of flooding can decrease or degrade habitat for biodiversity. The ...
    • Combined effects of agrochemical contamination and forest loss on anuran diversity in agroecosystems of east-central Argentina 

      Suarez, Romina Paula; Cappelletti, Sandra Mailen; Solari, Laura María; Goijman, Andrea Paula; Cristos, Diego Sebastian; Rojas, Dante Emanuel; Krug, Pamela; Babbitt, Kimberly J.; Gavier Pizarro, Gregorio Ignacio (Elsevier, 2020-11)
      Agricultural expansion and intensification has led globally to a rapid landscape structure change and high agrochemical use resulting in habitat loss and degraded environmental quality. Co-occurrence of landscape change ...
    • Deforestation and cattle expansion in the Paraguayan Chaco 1987–2012 

      Baumann, Matthias; Israel, Christoph; Piquer Rodriguez, María; Gavier Pizarro, Gregorio Ignacio; Volante, Jose Norberto; Kuemmerle, Tobias (2017-04)
      The dry forests of Latin America are among the most dynamic deforestation frontiers in the world and are important carbon and biodiversity reservoirs. Our knowledge on the spatial patterns of deforestation and its proximate ...
    • Drivers of agricultural land - use change in the Argentine Pampas and Chaco regions 

      Piquer Rodriguez, María; Butsic, V.; Gartner, P.; Macchi, Leandro; Baumann, Matthias; Gavier Pizarro, Gregorio Ignacio; Volante, Jose Norberto; Gasparri, Néstor Ignacio; Kuemmerle, Tobias (2018-02)
      Agricultural expansion and intensification in South America's dry forests and grasslands increase agricultural production, but also result in major environmental trade-offs. The Pampas and Chaco regions of Argentina have ...
    • Effects of past and future land conversions on forest connectivity in the Argentine Chaco 

      Piquer Rodriguez, María; Torella, Sebastián Andrés; Gavier Pizarro, Gregorio Ignacio; Volante, Jose Norberto; Somma, Daniel Jorge; Ginzburg, Rubén G.; Kuemmerle, Tobias (Springer, 2015-05)
      Context: Land-use change is the main driver of habitat loss and fragmentation worldwide. The rate of dry forest loss in the South American Chaco is among the highest in the world, mainly due to the expansion of soybean ...
    • Fading opportunities for mitigating agriculture-environment trade-offs in a south American deforestation hotspot 

      Law, Elizabeth A.; Macchi, Leandro; Baumann, Mathias; Decarre, Julieta; Gavier Pizarro, Gregorio Ignacio; Levers, Christian; Mastrangelo, Matías Enrique; Murray, Francisco; Müller, Daniel; Piquer‐Rodriguez, María; Torres, Ricardo; Wilson, Kerrie A.; Kuemmerle, Tobias (Elsevier, 2021-10)
      Strong trade-offs between agriculture and the environment occur in deforestation frontiers, particularly in the world's rapidly disappearing tropical and subtropical dry forests. Pathways to mitigate these trade-offs are ...
    • Fire Regime, Climate, and Vegetation in the Sierras de Córdoba, Argentina 

      Argañaraz, Juan Pablo; Gavier Pizarro, Gregorio Ignacio; Zak, Marcelo Román; Bellis, Laura Marisa (2015)
      Wildfires are a primary disturbance in the Sierras de Córdoba, Argentina, with approximately 2 152 000 ha burned between 1993 and 2012. However, little is known about the spatial and temporal patterns of fires and their ...
    • Future Land-Use Changes and the Potential for Novelty in Ecosystems of the United States 

      Martinuzzi, Sebastián; Gavier Pizarro, Gregorio Ignacio; Lugo, Ariel E.; Radeloff, Volker C. (2015-12)
      Rapid global changes due to changing land use, climate, and non-native species are altering environmental conditions, resulting in more novel communities with unprecedented species combinations. Understanding how future ...
    • Glossy privet (Ligustrum lucidum) invasion decreases Chaco Serrano forest bird diversity but favors its seed dispersers 

      Bellis, Laura Marisa; Astudillo, Agustina; Gavier Pizarro, Gregorio Ignacio; Dardanelli, Sebastian; Landi, Marcos Alejandro; Hoyos, Laura (Springer, 2020-11)
      Glossy privet (Ligustrum lucidum) is an aggressive invasive plant that replaces native forests and forms dense stands without understory in central Argentina. However, the consequences of these changes in terms of vegetation ...
    • Long-term association of Tyrannus savana and Sturnella superciliaris density with land cover and climatic variables in agroecosystems of Argentina 

      Calamari, Noelia Cecilia; Cerezo, Alexis; Canavelli, Sonia Beatriz; Dardanelli, Sebastian; Gavier Pizarro, Gregorio Ignacio; Zaccagnini, Maria Elena (Aves Argentinas/Asociación Ornitológica del Plata, 2016-12)
      Agricultural expansion and intensification resulted in important changes in the agricultural landscape of the Pampas region, Argentina. We used linear mixed models to analyze the relationship between environmental variables ...
    • Multiscale spatial planning to maintain forest connectivity in the Argentine Chaco in the face of deforestation 

      Torella, Sebastián Andrés; Piquer Rodriguez, María; Levers, Christian; Ginzburg, Rubén G.; Gavier Pizarro, Gregorio Ignacio; Kuemmerle, Tobias (Resilience Alliance, 2018)
      Agricultural expansion threatens biodiversity due to habitat loss and fragmentation. In the Gran Chaco, a global deforestation hotspot, rampant cropland and pasture expansion raise concerns about the sustainability of these ...
    • Parches de naturaleza en la matriz urbana: El talar del Jardín Botánico Arturo E. Ragonese (JBAER) y su dispersión interna y hacia el entorno 

      Pidal, Bárbara (Facultad de Arquitectura, Diseño y Urbanismo, Universidad de Buenos Aires, 2018)
      Generar un plan de manejo y diseño del paisaje que permita utilizar los parches de talar del JBAER como una muestra adecuada representativa de la biodiversidad natural de estos ambientes y desarrollar su potencial de crear ...
    • Resiliencia de los sistemas agroecológicos ante el cambio climático 

      Belloni, Marcelo (Universidad Nacional de la Matanza, Argentina, 2017-02-17)
      No hay duda que la variabilidad y cambio climático (CC) se ha acentuado en estos últimos años, y está afectando tanto a agricultores familiares, pueblos originarios, agricultores tradicionales, y sistemas productivos ...