Esteban Jobbágy

Esteban Jobbágy
National Scientific and Technical Research Council | conicet · IMASL Instituto de Matemática Aplicada de San Luis

PhD (Duke University), MSc - Ing. Agr. (Universidad de Buenos Aires)

About

312
Publications
140,281
Reads
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24,228
Citations
Introduction
(i) For a long time interested on how plants modify the abiotic world. (ii) Groundwater-ecosystem coupling; mechanisms, patterns, and management clues. (iii) More recently, fascinated by the rules dictating how humans control ecosystem processes (NPP, water use, fires).
Additional affiliations
January 2006 - July 2014
Universidad Nacional de San Luis
Position
  • Profesor Adjunto
January 2005 - present
September 2003 - present
National Scientific and Technical Research Council
Position
  • Investigador Superior

Publications

Publications (312)
Article
Ectomycorrhizal (EM) fungal communities that associate with invading pines (Pinus spp.) are expected to be poor in species diversity. However, long-term successional trajectories and the persistence of dispersal limitations of EM fungi in the exotic range are not well understood. We sampled the roots and surrounding soil of Pinus elliottii and P. t...
Poster
Important progress has been made in recent years in characterizing surface soil moisture (SSM) at regional scales, through remote sensing estimates and the implementation of new in situ networks. Each of these sources of information has intrinsic features, such as the dynamic range of the SSM and the temporal frequency of acquisition. Another relev...
Research
Full-text available
GovernAgua foi um projeto de pesquisa acadêmica internacional que adotou um enfoque transdisciplinar para entender e promover uma governança adaptativa e antecipatória da água na América do Sul. O objetivo principal do projeto foi melhorar a qualidade de vida humana e a capacidade das bacias em proporcionar serviços ecossistêmicos relacionados à ág...
Presentation
Criaturas de Agua es una miniserie documental que relata el ciclo del agua en los paisajes semiáridos, a través de los ojos de quienes pueblan este contexto, lo trabajan y lo investigan. La serie está compuesta por 6 capítulos donde se trata en cada uno un fenómeno hídrico como una criatura viva y cambiante. https://www.youtube.com/playlist?list=PL...
Article
The Pampas plains of southern South America were predominantly dry, eolian-shaped landscapes, besides some interposed humid phases, during most of the late Pleistocene-Middle Holocene, evolving to humid-subhumid grasslands hosting an increasingly large number of shallow lakes in the late Holocene. These lakes proved to preserve in their sediments w...
Article
Full-text available
The livestock sector contributes significantly to the resource-use and pollution from food systems. Therefore, assessing the current and future environmental impacts of livestock production under different systems in different countries, has become an important area of solution-oriented research in sustainability science. We performed a cradle-to-f...
Conference Paper
Full-text available
La laguna Nassau se ubica en la planicie arenosa de la provincia de San Luis, bajo un régimen climático semiárido, donde se registran altas tasas de evaporación. El objetivo de este trabajo es caracterizar químicamente y analizar la evolución química de las aguas de esta laguna. Para ello se tomaron muestras de agua superficial y subterránea en abr...
Article
Full-text available
Land use is central to addressing sustainability issues, including biodiversity conservation, climate change, food security, poverty alleviation, and sustainable energy. In this paper, we synthesize knowledge accumulated in land system science, the integrated study of terrestrial social-ecological systems, into 10 hard truths that have strong, gene...
Article
Full-text available
Rainfall partitioning by plant canopies can play key roles in dryland ecohydrology by altering the amount, timing and patterns of water receipt to soils. Here, we synthesized interception, throughfall and stemflow observations from 2,297 rainfall events across 40 dryland sites, including 48 plant species. Then, we developed general empirical models...
Article
Full-text available
Diets link human health with environmental sustainability, offering promising pressure points to enhance the sustainability of food systems. We investigated the health, environmental, and economic dimensions of the current diet in Argentina and the possible effects of six dietary change scenarios on nutrient adequacy, dietary quality, food expendit...
Article
Full-text available
Sustainability requires a combination of meaningful co-production of locally relevant solutions, synthesis of insights gained across regions, and increased cooperation between science, policy and practice. The Programme for Ecosystem Change and Society (PECS) has been coordinating Place-Based Social-Ecological Sustainability Research (PBSESR) acros...
Article
Full-text available
The Dry Chaco in South America is a semi-arid ecoregion prone to dryland salinization. In this region, we investigated coarse-scale surface soil moisture (SM), soil temperature, soil salinity, and vegetation, using L-band microwave brightness temperature (TB) observations and retrievals from the soil moisture ocean salinity (SMOS) and soil moisture...
Article
Understanding the hydrological functioning of the scarce freshwater bodies of semiarid regions is crucial, especially in those areas affected by anthropic activities involving land-use changes. In the dry western edge of the Argentina Pampean plains, a system of more than 100 shallow lakes of remarkable stability occurs. These lakes exhibit low sal...
Poster
Full-text available
Al oeste de la llanura pampeana existe un extenso manto eólico conocido como Mar de Arena Pampeano (Iriondo y Kröhling, 1995). Particularmente, en el centro-sur de la provincia de San Luis, este manto está compuesto por sedimentos arenosos con proporciones variables de cuarzo, feldespatos y fragmentos de roca, principalmente de origen volcánico, ju...
Article
Full-text available
In the southeastern portion of San Luis Province (33°53’10’’-34°19’00’’ S and 65°42’00’’-65°20’00’’ W), the sand dune landscape hosts a lacustrine system with more than 200 water bodies, where the water table reaches the surface and fills the deepest depressions. The aim of this study is to analyze surface-groundwater interactions using the radioac...
Preprint
Pines (Pinus spp.) rely on co-introduced ectomycorrhizal (EM) fungi to invade native ecosystems in the Southern Hemisphere. Although co-invasive EM fungal communities are expected to be poor in species, long-term successional trajectories and the persistence of dispersal limitations are not well understood. We sampled the roots and surrounding soil...
Conference Paper
Los ecosistemas ofrecen servicios hídricos claves a la población, como la provisión de agua potable y la depuración de efluentes. Los estudios de servicios hídricos suelen realizarse a escala de cuenca, enfocados desde la oferta. Sin embargo, este enfoque ignora relaciones hídricas complejas entre las ciudades y el territorio causadas por la transf...
Poster
Full-text available
El almacenamiento de agua en el suelo es una variable que controla múltiples procesos y retroalimentaciones dentro del sistema climático, interviniendo en los balances de agua y energía. En los últimos años se han realizado importantes avances en la caracterización de la humedad del suelo (SM, por sus siglas en inglés Soil Moisture) a escala region...
Article
Chemical changes produced by the establishment of tree plantations on grasslands occupying sedimentary plains could potentially impact their highly productive soils through multiple mechanisms. Some of the reported chemical changes following this vegetation shift include soil salinization, sodification, alkalization and acidification. While the ass...
Article
Full-text available
Our understanding of how groundwater mediates evapotranspiration/streamflow partitioning is still fragmented and catchment studies under changing vegetation conditions can provide a useful frame for integration. We explored this partition in a flat sedimentary dry catchment in central Argentina in which the replacement of native vegetation with rai...
Article
Land use changes affecting ecological and hydrological processes often shape the biogeochemistry of deserts. As highly productive hotspots, Prosopis flexuosa woodlands located in interdune lowlands of the Monte Desert are subject to intense transformations by humans and livestock and offer a unique opportunity to understand how phreatophyte vegetat...
Article
Full-text available
Land-use change has been the strongest driver of vegetation cover change in the world. In the South American Dry Chaco (~1 M km²; PPT/ET0 < 0.65), native dry forests are experiencing high deforestation rates that tend to continue in the coming years. Here, we used a hydrological model (Hydrus 1-D) to analyze changes in the water balance triggered b...
Article
Full-text available
En gran parte de la región pampeana argentina el techo de la zona saturada del perfil de suelo/sedimento (i.e. napa freáti-ca) se encuentra cercana a la superficie e influencia diversos aspectos de los (agro)ecosistemas. A pesar de jugar un papel clave en la producción agropecuaria, no existe una base de datos unificada que permita conocer la varia...
Conference Paper
Full-text available
En paisajes donde las redes de drenaje y las depresiones topográficas están bien definidas y no sufren modificaciones, las inundaciones suelen desarrollarse de forma "coherente". Es decir, respetando una secuencia de zonas que se van cubriendo (descubriendo) de agua progresivamente a medida que la fracción inundada de un territorio aumenta (disminu...
Article
Full-text available
The process of soil drying following a single rainfall input offers an integrated perspective on soil-vegetation water dynamics in responses to atmospheric conditions during periods without rainfall. In this work, the soil moisture dry-down time scale events (τ) was calculated using surface soil moisture data from the SMOS mission, with the objecti...
Article
Full-text available
Surface soil moisture (SSM) dry-downs have been employed to compare independent data sources on the dynamics of water in soils, including such remote sensing, land surface models and in-situ measurements, which are often difficult to contrast with standard methodologies. The soil drying approach summarizes the soil response to climate as well as su...
Article
Full-text available
International agreements aim to conserve 17% of Earth's land area by 2020 but include no area-based conservation targets within the working landscapes that support human needs through farming, ranching, and forestry. Through a review of country-level legislation, we found that just 38% of countries have minimum area requirements for conserving nati...
Article
Full-text available
Pine tree invasions threaten many natural ecosystems of the Southern Hemisphere, modifying their structure and functioning through shifts in fire regimes, water balance, and biodiversity. The magnitude of such impacts depends on how much of the landscape has been invaded, thus a better understanding of the dispersal ability of pines and predictions...
Preprint
Full-text available
Agroecology promises a third way between common global agriculture tradeoffs such as food production and nature conservation, environmental sustainability and ecosystem services. However, most successful examples of mainstreaming agroecology come from smallholder, family agriculture, that represents only about 30% of the world agricultural area. Ma...
Chapter
Full-text available
We synthesize research on the magnitude and dynamisms of salt stocks in the Chaco-Pampas. While current soil maps characterize one-fourth of the region’s soils as saline; integrated soil-hydrology-vegetation studies show salinity to be more widespread and dynamic due to the presence of shallow and stagnant groundwater systems. Two salt retention me...
Chapter
Full-text available
El manejo por ambientes es muy útil para aumentar la eficiencia de producción en campos con influencia freática. El aporte de napas a los cultivos puede determinar altos rendimientos y reducir el riesgo hídrico en ambientes semiáridos o subhúmedos.
Article
Hosting the flattest sedimentary plains and highest Andean range of the continent, southern South America faces hydrological transformations driven by climate and land use changes. Although water stable isotopes can help understand these transformations, regional synthesis on their composition is lacking. We compiled for the first time a dataset of...
Data
The data presented here comprises the stable isotopic composition (δ2H and δ18O) of 1659 samples of precipitation, rivers, groundwater and lakes/ponds samples from a total of 511 sites. This is a composite dataset that includes data from the Global Network of Isotopes in Precipitation (GNIP) and Rivers (GNIR) databases (IAEA/WMO 2019), data extract...
Article
Full-text available
Soybean is one of the most important crops worldwide, and Argentina is the third largest global grain producer and the worlds´ largest meal exporter. Under the continuous challenge of increasing crop yields, especially in the central temperate region of the country, there is a growing need to optimize management in relation to the environment that...
Article
In dry woodland regions, silvopastures have emerged as a promising option to balance cattle production, carbon storage and biodiversity. However, one of the major challenges in these systems, particularly when implemented in a matrix of natural vegetation, is the preservation of tree populations in the face of management actions implemented by ranc...
Article
Over the last decades, the rapid replacement of native forests by crops and pastures in the Argentinean semiarid Chaco plains has triggered unprecedented groundwater level raises resulting from deep drainage increases, leading to the first massive waterlogging event on records (~25.000 Ha flooded in 2015 near Bandera, one of the most cultivated clu...
Article
The dry forests of South America are a key player of the global carbon cycle and the regional water cycle but they are being intensively deforested. We used eddy covariance measurements to compare the temporal patterns of CO2 and water vapor fluxes and their relationships with environmental variables in dry forest and pastures sites of central Arge...
Presentation
Full-text available
¿Qué factores llevaron a la Argentina, junto a una gran parte de América, a ocupar su condición agroexportadora actual? ¿Cómo contribuye esta actividad al calentamiento global? Dos pandemias, una “fundacional” y otra “actual” nos ayudan a mirar la agricultura con nuevos ojos.
Article
Full-text available
Soil carbonates (i.e., soil inorganic carbon or SIC) represent more than a quarter of the terrestrial carbon pool and are often considered to be relatively stable, with fluxes significant only on geologic timescales. However, given the importance of climatic water balance on SIC accumulation, we tested the hypothesis that increased soil water stora...
Presentation
Full-text available
¿Por qué los impactos ambientales de la agricultura de granos de Argentina siguen un camino tan distintos al de otros "graneros" del mundo como los de Europa, Norteamérica o Asia? ¿Que caminos siguen los sistemas agrícolas cuando sus sociedades pasan de la subsistencia a al desarrollo industrial o agroexportador? Pueden ver esta presentacion aqui h...
Article
Full-text available
The study of the spatio-temporal dynamics of surface soil moisture (SSM) drydowns integrates the soil response to climatic conditions, drainage and land cover and is key to advances in our knowledge of the soil–atmosphere water exchange. SSM drydowns have also been employed to compare soil moisture spatio-temporal behaviour between different data s...
Article
Full-text available
El reemplazo de pastizales por forestaciones es uno de los cambios más extremos en el uso del suelo por su impacto en el suelo y en el funcionamiento de la vegetación. En los ecosistemas de llanuras, este cambio generó, en muchos casos, alteraciones químicas en los suelos como salinización, sodificación y alcalinización/ acidificación. Si bien los...
Article
Full-text available
Rainwater harvesting and associated storage is essential for cattle ranching in the drylands of Argentina and elsewhere. This is the first study to attempt to quantify the hydrological inflows and losses from rainwater harvesting impoundments. To address the direct effect of cattle within impoundments, a typical cattle-affected impoundment was inst...
Article
Full-text available
Forests and trees are key to solving water availability problems in the face of climate change and to achieving the United Nations Sustainable Development Goals. A recent global assessment of forest and water science posed the question: How do forests matter for water? Here we synthesize science from that assessment, which shows that forests and wa...
Article
Full-text available
Despite the importance of long-term atmospheric deposition of ions for vegetation productivity and biogeochemistry, southern South America lacks long-term deposition records. We report a 6-year-long record of atmospheric deposition measurements of Mg²⁺, Ca²⁺, Na⁺, K⁺, Cl⁻, SO4²⁻, NO3⁻ and NH4⁺ in the plains of southern South America, which encompas...
Technical Report
Full-text available
This chapter examines the scientific understanding of how climate change impacts land degradation, and vice versa, with a focus on non-drylands. Land degradation of drylands is covered in Chapter 3. After providing definitions and the context (Section 4.1) we proceed with a theoretical explanation of the different processes of land degradation and...