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Mostrando ítems 1-13 de 13

    • Aeolian Remobilisation of the 2011-Cordón Caulle Tephra-Fallout Deposit: Example of an Important Process in the Life Cycle of Volcanic Ash 

      Dominguez, Lucia; Bonadonna, Costanza; Forte, Pablo; Jarvis, Paul Antony; Cioni, Raffaello; Mingari, Leonardo; Bran, Donaldo Eduardo; Panebianco, Juan Esteban (Frontiers Media SA, 2020-01-14)
      Although volcanic eruptions represent short periods in the whole history of a volcano, the large amount of loose pyroclastic material produced, combined with aeolian processes, can lead to continuous, long-lasting reworking ...

    • Aeolian Remobilisation of Volcanic Ash: Outcomes of a Workshop in the Argentinian Patagonia 

      Jarvis, Paul Antony; Bonadonna, Constanza; Dominguez, Lucía; Forte, Pablo; Frischknecht, Corine; Bran, Donaldo Eduardo; Aguilar, Rigoberto; Beckett, Frances; Elissondo, Manuela; Gillies, John; Kueppers, Ulrich; Merrison, Jonathan; Varley, Nick; Wallace, Kristi L. (Frontiers Media, 2020-11-27)
      During explosive volcanic eruptions, large quantities of tephra can be dispersed and deposited over wide areas. Following deposition, subsequent aeolian remobilisation of ash can potentially exacerbate primary impacts on ...

    • Ash resuspension related to the 2011–2012 Cordón Caulle eruption, Chile, in a rural community of Patagonia, Argentina 

      Forte, Pablo; Dominguez, Lucia; Bonadonna, Constanza; Gregg, Chris E.; Bran, Donaldo Eduardo; Bird, Deanne; Castro, Jonathan M. (2018)
      The 2011–2012 Cordón Caulle eruption emitted about 1 km3 of rhyodacitic tephra. Dominant westerly winds in the region caused most of the primary tephra to deposit in neighboring Argentina. In addition to the impact of ...

    • Distribución natural de Nothofagus alpina y Nothofagus obliqua (nothofagaceae) en Argentina, dos especies de primera importancia forestal de los bosques templados norpatagónicos 

      Sabatier, Yamila; Azpilicueta, Maria Marta; Marchelli, Paula; González Peñalba, Marcelo; Lozano, Liliana; García, Leandro; Martinez, Abel Hector Maria; Gallo, Leonardo Ariel; Umaña, Fernando; Bran, Donaldo Eduardo; Pastorino, Mario Juan (Sociedad Argentina de Botánica, 2011-06)
      Conocer la distribución natural de cualquier especie es esencial para poder planificar su conservación o uso. El Raulí [Nothofagus alpina (Poepp. & Endl.) Oerst. = Nothofagus nervosa (Phil.) Dim. et Mil.] y el Roble Pellín ...

    • Efecto de la severidad de quemado sobre la regeneración de la vegetación en el Monte Austral 

      Bran, Donaldo Eduardo; Cecchi, Gustavo; Gaitan, Juan Jose; Ayesa, Javier Alejandro; Lopez, Carlos Rodolfo (Asociación Argentina de Ecología, 2007-06)
      El fuego es un fenómeno recurrente en los ecosistemas del norte de la Patagonia y ocurren, fundamentalmente, luego de una serie de años húmedos que promueve el crecimiento de pastos. La acumulación de material combustible ...

    • Evaluating the performance of multiple remote sensing indices to predict the spatial variability of ecosystem structure and functioning in Patagonian steppes 

      Gaitan, Juan Jose; Bran, Donaldo Eduardo; Oliva, Gabriel Esteban; Ciari, Georgina; Nakamatsu, Viviana Beatriz; Salomone, Jorge Manuel; Ferrante, Daniela; Buono, Gustavo Gabriel; Massara Paletto, Virginia; Humano, Gervasio; Celdran, Diego Javier; Opazo, Walter Javier; Maestre, Fernando Tomás (2013-11)
      Assessing the spatial variability of ecosystem structure and functioning is an important step towards developing monitoring systems to detect changes in ecosystem attributes that could be linked to desertification processes ...

    • Grazing and ecosystem service delivery in global drylands 

      Maestre, Fernando Tomas; Gaitan, Juan Jose; Aramayo, Maria Valeria Del Lujan; Ahumada, Rodrigo José; Ferrante, Daniela; Leder, Cintia V.; Oliva, Gabriel Esteban; Bran, Donaldo Eduardo; Gross, Nicolas (American Association for the Advancement of Science, 2022-11-25)
      Grazing represents the most extensive use of land worldwide. Yet its impacts on ecosystem services remain uncertain because pervasive interactions between grazing pressure, climate, soil properties, and biodiversity may ...

    • Linking ecosystem resistance, resilience, and stability in steppes of North Patagonia 

      Lopez, Dardo Ruben; Brizuela, Miguel Angel; Willems, Priscila Mabel; Aguiar, Martín Roberto; Siffredi, Guillermo Lorenzo; Bran, Donaldo Eduardo (Elsevier, 2013-01)
      The main objective of an ecosystem sustainable management is to preserve its capacity to respond and adapt to current disturbances and/or future changes, and maintain the provision of environmental goods and services. Two ...

    • Mass fux decay timescales of volcanic particles due to aeolian processes in the Argentinian Patagonia steppe 

      Dominguez, Lucia; Rossi, Eduardo; Mingari, Leonardo; Bonadonna, Costanza; Forte, Pablo Brian; Panebianco, Juan Esteban; Bran, Donaldo Eduardo (Springer Nature, 2020-09)
      We investigate the timescales of the horizontal mass flux decay of wind remobilised volcanic particles in Argentina, associated with the tephra-fallout deposit produced by the 2011–2012 Cordón Caulle (Chile) eruption. ...

    • Plant species richness and shrub cover attenuate drought effects on ecosystem functioning across Patagonian rangelands 

      Gaitan, Juan Jose; Bran, Donaldo Eduardo; Oliva, Gabriel Esteban; Maestre, Fernando Tomás; Aguiar, Martín Roberto; Jobbagy Gampel, Esteban Gabriel; Buono, Gustavo Gabriel; Ferrante, Daniela; Nakamatsu, Viviana Beatriz; Ciari, Georgina; Salomone, Jorge Manuel; Massara Paletto, Virginia (2014-10-22)
      Drought is an increasingly common phenomenon in drylands as a consequence of climate change. We used 311 sites across a broad range of environmental conditions in Patagonian rangelands to evaluate how drought severity and ...

    • Soil fungal abundance and plant functional traits drive fertile island formation in global drylands 

      Ochoa-Hueso, Raúl; Eldridge, David J.; Delgado-Baquerizo, Manuel; Soliveres, Santiago; Bowker, Matthew A.; Gross, Nicolás; Le Bagousse-Pinguet, Yoann; Quero, José L.; García-Gómez, Miguel; Valencia, Enrique; Arredondo, Tulio; Beinticinco, Laura; Bran, Donaldo Eduardo; Cea, Alex; Coaguila, Daniel; Dougill, Andrew J.; Espinosa, Carlos I.; Gaitan, Juan Jose; Guuroh, Reginald T.; Guzmán, Elizabeth; Gutiérrez, Julio R.; Hernández, Rosa M.; Huber-Sannwald, Elisabeth; Jeffries, Thomas; Linstädter, Anja; Mau, Rebecca L.; Monerris, Jorge; Prina, Anibal; Pucheta, Eduardo; Stavi, Ilan; Thomas, Andrew; Zaady, Eli; Singh, Brajesh K.; Maestre, Fernando Tomás (2018)
      Dryland vegetation is characterized by discrete plant patches that accumulate and capture soil resources under their canopies. These “fertile islands” are major drivers of dryland ecosystem structure and functioning, yet ...

    • Surface indicators are correlated with soil multifunctionality in global drylands 

      Eldridge, David John; Delgado-Baquerizo, Manuel; Quero, José Luis; Ochoa, Victoria; Gozalo, Beatriz; García-Palacios, Pablo; Escolar, Cristina; García-Gómez, Miguel; Prina, Anibal; Bowker, Mathew Alan; Bran, Donaldo Eduardo; Castro, Ignacio; Cea, Alex; Derak, Mchich; Espinosa, Carlos Ivan; Florentino, Adriana; Gaitan, Juan Jose; Gatica, Gabriel; Gómez-González, Susana; Ghiloufi, Wahida; Gutierrez, Julio Roberto; Gusmán-Montalván, Elizabeth; Hernández, Rosa Mary; Hughes, Frederic Mendes; Muiño, Walter; Monerris, Jorge; Ospina, Abelardo; Ramirez, David A.; Ribas-Fernández, Yanina Antonia; Lisboa Romão, Roberto; Torres-Díaz, Cristian; Koen, Terrance B.; Maestre Gil, Fernando Tomás (Wiley, 2020-02)
      1. Multiple ecosystem functions need to be considered simultaneously to manage and protect the several ecosystem services that are essential to people and their environments. Despite this, cost effective, tangible, relatively ...

    • Vegetation structure is as important as climate for explaining ecosystem function across Patagonian rangelands 

      Gaitan, Juan Jose; Oliva, Gabriel Esteban; Bran, Donaldo Eduardo; Maestre, Fernando Tomás; Aguiar, Martín Roberto; Jobbagy Gampel, Esteban Gabriel; Buono, Gustavo Gabriel; Ferrante, Daniela; Nakamatsu, Viviana Beatriz; Ciari, Georgina; Salomone, Jorge Manuel; Massara Paletto, Virginia (2014-11)
      1. Drylands cover about 41% of Earth’s land surface, and 65% of their area supports domestic livestock that depends on the above-ground net primary productivity (ANPP) of natural vegetation. Thus, understanding how biotic ...