Sandra Bravo

Effect of anthropogenic disturbances on leaf traits of woody species from a subtropical dry forest of Argentina

Florencia I. Del Corro, Lucas Enrico, Sandra Bravo

Aim of study: To assess the effects of forest disturbances on two foliar attributes, leaf area (LA) and specific leaf area (SLA), of woody species in a semi-arid Chaco forest of Argentina. Disturbances are represented as different combinations of land management practices …

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Siembra directa para la restauración de bosques semiáridos degradados en la Región Chaqueña Argentina

Claudia Camila Barraza, Sandra Bravo

Se evaluó el efecto de la calidad del sitio, micrositios y de tratamientos pregerminativos en la emergencia de plántulas mediante siembra directa, de 4 especies del Chaco semiárido: Aspidosperma quebracho-blanco, Schinopsis lorentzii, Neltuma nigra y Sarcomphalus mistol. Las evaluaciones se realizaron en …

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Drivers of woody encroachment in Dry Chaco grasslands: grazing, fire, aridity and the value of local knowledge

María Soledad Andrade-Díaz, Germán Baldi, Fabian Ewald Fassnacht, Jamie Burton et autres

Woody encroachment is a growing concern in dryland regions, threatening grassland ecosystems and generating complex social-ecological and management challenges. In the Argentine Dry Chaco, this process is particularly pronounced in paleochannel systems, which are ancient riverbeds historically covered by native grasses. Using …

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Drivers of woody encroachment in Dry Chaco grasslands: grazing, fire, aridity and the value of local knowledge

Maria Soledad Andrade‐Diaz, Germán Baldi, Fabian Ewald Fassnacht, Jamie Burton et autres

Woody encroachment is a growing concern in dryland regions, threatening grassland ecosystems and generating complex social-ecological and management challenges. In the Argentine Dry Chaco, this process is particularly pronounced in paleochannel systems, which are ancient riverbeds historically covered by native grasses. Using …

Rasgos funcionales y potencial germinativo de semillas de Tabebuia aurea, Bignoniaceae, en el límite austral de su distribución

Carlos Spagarino, Sandra Bravo, Juan Manuel Cellini

Tabebuia aurea, Bignoniaceae, es una especie arbórea cuya distribución se extiende entre Brasil, Paraguay y Argentina. Las poblaciones argentinas representan el límite austral de su distribución. El objetivo del trabajo fue evaluar la variabilidad intraespecífica e interanual de los rasgos seminales de …

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A 39-Year Analysis of Fire Incidence in a Chaco Serrano Landscape Using Remote Sensing

Juan Pablo Argañaraz, Laura Cavallero, Claudia Camila Barraza, Sandra Bravo

In recent decades, there has been an observed increase in the frequency, intensity, and/or extent of fire events, attributable to the interaction between climate change and various anthropogenic activities. The Argentine Chaco ecoregion is characterized by a high incidence of fire across …

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Recruitment of Dry Tropical Woody Species After Fire: Germination Phase and Seedling Establishment

Amalia Valeria Ibañez Moro, Fabian Borghetti, Leonardo Galetto, Juan Manuel Cellini et autres

The objective of this study was to evaluate the effect of fire on the recruitment of six woody species sown at two soil depths. The study area was the western Argentine Chaco region, South America. The selected species were Aspidosperma quebracho-blanco Schlecht, …

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The Pyrogeography of the Gran Chaco’s Dry Forest: A Comparison of Clustering Algorithms and the Scale of Analysis

María Cecilia Naval-Fernández, Mario Elia, Vincenzo Giannico, Laura M. Bellis et autres

(1) Background: Changes in the spatial, temporal, and magnitude-related patterns of fires caused by humans are expected to exacerbate with climate change, significantly impacting ecosystems and societies worldwide. However, our understanding of fire regimes in many regions remains limited, largely due to …

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Competitive and facilitative effects of shrubs on grass in forests and grasslands of Dry Chaco, Argentine

Roxana Ledesma, Carlos Kunst, José A. Godoy, V. Navarrete et autres

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Fire in the Chaco Region: Ecological Aspects and Land Management

Sandra Bravo, Roxana Ledesma, Darío Coria, Dante Loto

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When one’s misfortune favors others: the importance of hollows made by a plague on Neltuma trees to stingless bees nesting in Subtropical Dry forests

Patricia V. Zelaya, Carlos Molineri, Sandra Bravo, Facundo X. Palacio et autres

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The influence of seed functional traits and anthropogenic disturbances on persistence and size of the soil seed bank from dry subtropical forest species

Amalia Valeria Ibañez Moro, Fabian Borghetti, Leonardo Galetto, Juan Manuel Cellini et autres

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