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Resilience of Irrigated Agriculture to Face the Challenges in Mediterranean Climatic Conditions (Iberian Peninsula)


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Title:
Resilience of Irrigated Agriculture to Face the Challenges in Mediterranean Climatic Conditions (Iberian Peninsula)
Authors:
CANATÁRIO DUARTE, ANTÓNIO  
Melian Navarro, Amparo  
RUIZ CANALES, ANTONIO  
Editor:
IntechOpen
Department:
Departamentos de la UMH::Economía Agroambiental,Ing. Cartográfica y Expresión Gráfica en la Ingeniería
Issue Date:
2022
URI:
https://hdl.handle.net/11000/31059
Abstract:
Climate change scenarios in Mediterranean basin point to a decrease in the amount of annual rainfall and the increased frequency of drought. In this framework of greater water scarcity, an increase in irrigation costs is expected, so its rational and efficient use is an unavoidable issue in modern irrigated agriculture. In the last 60 years in Portugal, it had a great increase in the efficiency of water use in agriculture, accompanied by a great increase in energy consumption, and the variation was 15,000 to 6000 m3/ha.year and 200 to 1500 kWh/ha, respectively. The rational application of fertilizers is a priority, to prevent the contamination of superficial and subterraneous waters, and the process of soil salinization in semi-arid conditions. The pressure of water demand by agriculture implies the use of other water sources. For example, in 2010, the volume of unconventional water resources in Spain rose to 4.540 hm3/year. Of the total used in agriculture, 450 hm3 of water comes from the reuse of treated water, and 690 hm3 comes from desalination. The use of modern/smart technologies in irrigated agriculture, like information and communication technologies, allows the rapid share of information between all the system components and can promote optimized answers at different scales.
Keywords/Subjects:
resilience of irrigated agriculture
Mediterranean climate change
water scarcity
water-efficient use
Type of document:
application/pdf
Access rights:
info:eu-repo/semantics/closedAccess
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
DOI:
https://doi.org/10.5772/intechopen.107882
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