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Mostrando ítems 44-55 de 55
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Reproductive ecology and genetic variability in natural populations of the wild potato, Solanum kurtzianum
(Wiley, 2014-03)The cultivated potato (Solanum tuberosum ssp. tuberosum) has more than 200 related wild species distributed along the Andes, adapted to a wide range of geographical and ecological areas. Since the last century, several ... -
Respuestas fenológicas de gramíneas C3 y C4 a variaciones interanuales de precipitación y temperatura
(Asociación Argentina de Ecología, 2018-08)La temperatura y las precipitaciones son factores determinantes de la fenología y la productividad de las plantas. Alteraciones climáticas leves pueden modificar de forma significativa los ciclos de crecimiento y afectar ... -
Riesgo de erosión eólica en diferentes sistemas productivos del sur de Córdoba
(Asociación Argentina de la Ciencia del Suelo, 2023-12-01)En el sur de Córdoba la simplificación en los sistemas de producción ha incrementado el riesgo a la erosión eólica, debido a los cambios en la dinámica de la cobertura vegetal y la remoción de suelo. Por lo tanto, nuestros ... -
Shallow groundwater dynamics in the Pampas: Climate, landscape and crop choice effects
(2016-01-01)Depending on its depth from the soil surface, shallow groundwater can represent a valuable water resource to alleviate droughts, or a stress agent that causes waterlogging and flooding in rainfed crops. Groundwater depth ... -
Soil dry aggregate stability and wind erodible fraction in a semiarid environment of Argentina
(2010-10)The size and stability of soil aggregates are primary factors that affect the soil susceptibility to wind erosion. Relationships among several soil properties and both the wind erodible fraction (EF) and the dry aggregate ... -
Soil physical changes after conversion of woodlands to pastures in dry Chaco rangelands (Argentina)
(2017-03)The conversion of dry woody rangelands into pastures can alter key soil physical properties that regulate ecosystem water circulation and storage. Based on three paired stands of native woodlands and pastures established ... -
South American Dry Chaco rangelands: Positive effects of cattle trampling and transit on ecohydrological functioning
(Wiley, 2022-12)Livestock production in drylands requires consideration of the ecological applications of ecohydrological redistribution of water. Intensive cattle trampling and the associated increase of surface runoff are common concerns ... -
The ecohydrological imprint of deforestation in the semiarid Chaco: insights from the last forest remnants of a highly cultivated landscape
(2016-07)The semiarid Chaco plains present one of the highest rates of forest clearing and agricultural expansion of the world. In other semiarid plains, such massive vegetation replacements initiated a groundwater recharge and ... -
Vegetation composition and structure changes following roller-chopping deforestation in central Argentina woodlands
(2016-10)Driven by the pressure of increasing forage production, dry forests and woodlands of Argentina are suffering one of the highest deforestation rates in the world. In this study we combined field work and a remote sensing ... -
Vegetation Productivity in Natural vs. Cultivated Systems along Water Availability Gradients in the Dry Subtropics
(2016-12)The dry subtropics are subject to a rapid expansion of crops and pastures over vast areas of natural woodlands and savannas. In this paper, we explored the effect of this transformation on vegetation productivity (magnitude, ... -
Weed Communities in Semiarid Rainfed Croplands of Central Argentina: Comparison between Corn (Zea mays) and Soybean (Glycine max) Crops
(2018-05)The semiarid Espinal in central Argentina, being recently transformed from natural semiarid grasslands into agriculture, represents an interesting scenario to understand the early stages of weed community assembly and its ... -
Wood anatomy, fire wounds and dendrochronological potential of Prosopis pugionata Burkart (Fabaceae) in arid Argentine Chaco
(International Association of Wood Anatomists, 2021-02)Prosopis pugionata (Fabaceae) is a halophyte tree species that grows exclusively in Argentina’s arid environments, whose woodlands are mainly affected by fires and overgrazing. Here, we describe the wood anatomy and fire ...