Search Results - "FERNÁNDEZ, ROBERTO J."

Global Desertification: Building a Science for Dryland Development by Reynolds, James F, Smith, D. Mark Stafford, Lambin, Eric F, Turner, B.L. II, Mortimore, Michael, Batterbury, Simon P.J, Downing, Thomas E, Dowlatabadi, Hadi, Fernández, Roberto J, Herrick, Jeffrey E, Huber-Sannwald, Elisabeth, Jiang, Hong, Leemans, Rik, Lynam, Tim, Maestre, Fernando T, Ayarza, Miguel, Walker, Brian

“…In this millennium, global drylands face a myriad of problems that present tough research, management, and policy challenges. Recent advances in dryland…”
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Climatic niche shift in the amphitropical disjunct grass Trichloris crinita by Quiroga, R Emiliano, Premoli, Andrea C, Fernández, Roberto J

“…Plant species disjunctions have attracted the interest of ecologists for decades. We investigated Trichloris crinita, a native C4 perennial grass with disjunct…”
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Forage provision is more affected by droughts in arid and semi‐arid than in mesic rangelands by Bondaruk, Viviana F., Oñatibia, Gastón R., Fernández, Roberto J., Agüero, Walter, Blanco, Lisandro, Bruschetti, Martín, Kröpfl, Alicia, Loydi, Alejandro, Pascual, Jesús, Peri, Pablo, Peter, Guadalupe, Quiroga, R. Emiliano, Yahdjian, Laura

“…Droughts are projected to increase in magnitude, frequency and duration in the near future. In rangelands, the provision of valuable ecosystem services such as…”
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Modifying the 'Pulse-Reserve' Paradigm for Deserts of North America: Precipitation Pulses, Soil Water, and Plant Responses by Reynolds, James F., Kemp, Paul R., Ogle, Kiona, Fernández, Roberto J.

“…The 'pulse-reserve' conceptual model--arguably one of the most-cited paradigms in aridland ecology--depicts a simple, direct reationship between rainfall,…”
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The role of South American grazing lands in mitigating greenhouse gas emissions. A reply to: “Reassessing the role of grazing lands in carbon-balance estimations: Meta-analysis and review”, by Viglizzo et al., (2019) by Villarino, Sebastián H., Pinto, Priscila, Della Chiesa, Tomas, Jobbágy, Esteban G., Studdert, Guillermo A., Bazzoni, Bruno, Conti, Georgina, Rufino, Mariana, Álvarez, Roberto, Boddey, Robert, Bayer, Cimélio, de F. Carvalho, Paulo C., Fernández, Roberto J., Lattanzi, Fernando A., Oesterheld, Martín, Oyhantçabal, Walter, Paruelo, José M., Pravia, Virginia, Piñeiro, Gervasio

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Cropland Net Ecosystem Exchange Estimation for the Inland Pampas (Argentina) Using EVI, Land Cover Maps, and Eddy Covariance Fluxes by Marconato, Ulises, Fernández, Roberto J., Posse, Gabriela

“…Estimations of Net Ecosystem Exchange (NEE) are crucial to assess the carbon sequestration/carbon source capacity of agricultural systems. Although several…”
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The health, environmental, and economic dimensions of future dietary transitions in Argentina by Arrieta, Ezequiel M, Fischer, Carlos González, Aguiar, Sebastian, Geri, Milva, Fernández, Roberto J, Coquet, Julia Becaria, Scavuzzo, Carlos M, Rieznik, Andres, León, Alberto, González, Alejandro D, Jobbágy, Esteban G

“…Diets link human health with environmental sustainability, offering promising pressure points to enhance the sustainability of food systems. We investigated…”
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Aridity and grazing as convergent selective forces: an experiment with an Arid Chaco bunchgrass by Quiroga, R. Emiliano, Golluscio, Rodolfo A., Blanco, Lisandro J., Fernández, Roberto J.

“…It has been proposed that aridity and grazing are convergent selective forces: each one selects for traits conferring resistance to both. However, this…”
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Crop intensification, land use, and on-farm energy-use efficiency during the worldwide spread of the green revolution by Pellegrini, Pedro, Fernández, Roberto J.

“…We analyzed crop production, physical inputs, and land use at the country level to assess technological changes behind the threefold increase in global crop…”
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How to be a more effective environmental scientist in management and policy contexts by Fernandez, Roberto J

“…•This is a primer on why information is almost never sufficient to deal with complex problems.•Ways in which knowledge is being negotiated and co-produced with…”
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Wheat plant hydraulic properties under prolonged experimental drought: Stronger decline in root-system conductance than in leaf area by Trillo, N, Fernandez, R.J

“…Wheat plants (Triticum aestivum var. INTA 'Cinco Cerros') were grown in pots with fine sand under a rain-out shelter to assess their response to a water…”
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Progress in creating a joint research agenda that allows networked long-term socio-ecological research in southern South America: Addressing crucial technological and human capacity gaps limiting its application in Chile and Argentina by ANDERSON, CHRISTOPHER B., CELIS-DIEZ, JUAN L., BOND, BARBARA J., MARTÍNEZ PASTUR, GUILLERMO, LITTLE, CHRISTIAN, ARMESTO, JUAN J., GHERSA, CLAUDIO, AUSTIN, AMY, SCHLICHTER, TOMAS, LARA, ANTONIO, CARMONA, MARTIN, CHANETON, ENRIQUE J., GUTIERREZ, JULIO R., ROZZI, RICARDO, VANDERBILT, KRISTIN, OYARCE, GUILLERMO, FERNÁNDEZ, ROBERTO J.

“…Since 1980, more than 40 countries have implemented long‐term ecological research (LTER) programs, which have shown their power to affect advances in basic…”
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Growth potential limits drought morphological plasticity in seedlings from six Eucalyptus provenances by Maseda, Pablo H, Fernández, Roberto J

“…Water stress modifies plant above- vs belowground biomass allocation, i.e., morphological plasticity. It is known that all species and genotypes reduce their…”
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Do Morphological Changes Mediate Plant Responses to Water Stress? A Steady-State Experiment with Two C4 Grasses by Fernández, Roberto J., Wang, Mengben, Reynolds, James F.

“…• We hypothesized that plant growth reduction under water stress is caused primarily by a reduction of leaf-area ratio (LAR, leaf area per unit of total plant…”
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Niche dynamics in amphitropical desert disjunct plants: Seeking for ecological and species‐specific influences by Quiroga, R. Emiliano, Premoli, Andrea C., Fernández, Roberto J., Jordan, Greg

“…Aim Numerous studies have assessed whether species niches are conserved in geographically separated regions. However, most of them were performed on invasive…”
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Stay wet or else: three ways in which plants can adjust hydraulically to their environment by Maseda, Pablo H, Fernández, Roberto J

“…The literature on whole-plant acclimation to drought is reviewed and it is proposed that leaf-level homeostasis in water status is attained during ontogeny…”
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Rainfall intensity switches ecohydrological runoff/runon redistribution patterns in dryland vegetation patches by Magliano, Patricio N, Breshears, David D, Fernández, Roberto J, Jobbágy, Esteban G

“…Effectively managing net primary productivity in drylands for grazing and other uses depends on understanding how limited rainfall input is redistributed by…”
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Risks of Neglecting Phenology When Assessing Climatic Controls of Primary Production by Bandieri, Lucas M., Fernández, Roberto J., Bisigato, Alejandro J.

“…We evaluated the effect that integrating annual aboveground net primary production (ANPP) along different 12-month periods has on temporal models of…”
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Soil Physical Changes After Conversion of Woodlands to Pastures in Dry Chaco Rangelands (Argentina) by Magliano, Patricio N., Fernández, Roberto J., Florio, Eva L., Murray, Francisco, Jobbágy, Esteban G.

“…The conversion of dry woody rangelands into pastures can alter key soil physical properties that regulate ecosystem water circulation and storage. Based on…”
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Litter is more effective than forest canopy reducing soil evaporation in Dry Chaco rangelands by Magliano, Patricio N., Giménez, Raúl, Houspanossian, Javier, Páez, Ricardo A., Nosetto, Marcelo D., Fernández, Roberto J., Jobbágy, Esteban G.

“…Soil evaporation is a dominant water flux of flat dry ecosystems, reducing available water for plant transpiration. Vegetation plays a key role at controlling…”
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