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handle: 10261/39065 , 10532/1621
[ES] La modernización de regadíos está suponiendo una profunda transformación de la estructura productiva del sector agrario español. Sus implicaciones superan el ámbito de las infraestructuras hidráulicas, al implicar la conversión de una agricultura protegida en una agricultura competitiva. Una de las consecuencias de este proceso es el cambio en el modo de aprovechar los recursos hídricos en el sector agrario. Un cambio que a su vez va a tener repercusiones en la hidrología de las cuencas. En este artículo se analizan las consecuencias de la modernización sobre el consumo de agua aplicando la metodología de la contabilidad del agua. Para ello se han considerado los resultados obtenidos en distintos proyectos de investigación desarrollados en la cuenca del Ebro. La sustitución de sistemas de riego por superficie por sistemas de riego presurizados supondrá un aumento del consumo de agua. No obstante, la magnitud de este impacto estará supeditada a la mejora de la gestión del agua y la evolución de los precios de las materias primas agrarias y de la energía.
[EN] Irrigation modernization is leading to a deep transformation of the productive structure of the Spanish agriculture. Their implications overcome the scope of the hydraulic infrastructures implying the transformation from protective to competitive agriculture. One consequence of this process is the change in the way that agriculture uses the water resources. This change in turn has implications for the hydrology of the river basins. This paper analyses the consequences of the irrigation modernization in water consumption applying the concepts of the water accounting. The results obtained in several research projects performed in the Ebro River Basin have been used for this purpose. The change of surface irrigation systems by pressurized systems will imply an increase of water consumption. Nevertheless, the magnitude of this impact will be subordinate to the improvement of water management and the variations of the prices in agricultural commodities and energy.
14 Pag., 2 Tabl., 1 Fig.
Peer reviewed
Irrigation efficiency, Calidad del agua, irrigation efficiency, Eficiencia de riego, Uso del agua, Water accounting, Conservación del agua, water use, water quality, Agricultura de regadio, water accounting, Suelos y riegos, Water consumption, Modernización, Water quality, uso del agua, eficiencia de riego, Contabilidad del agua, Consumo de agua, Water use, water consumption
Irrigation efficiency, Calidad del agua, irrigation efficiency, Eficiencia de riego, Uso del agua, Water accounting, Conservación del agua, water use, water quality, Agricultura de regadio, water accounting, Suelos y riegos, Water consumption, Modernización, Water quality, uso del agua, eficiencia de riego, Contabilidad del agua, Consumo de agua, Water use, water consumption
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