https://hdl.handle.net/11000/457 Sun, 05 Apr 2026 21:52:36 GMT 2026-04-05T21:52:36Z https://hdl.handle.net/11000/38032 Título : Social and irrigation water management issues in some water user’s associations of the Low Segura River Valley (Alicante, Spain) Autor : Melian Navarro, Amparo; Puerto Molina, H.M.; Rocamora Osorio, M. C.; Ruiz Canales, A.; Cámara Zapata, J. M.; Abadía Sánchez, R. Resumen : In the region of the Low Segura River Valley, in the southern area of the Alicante province, the reduction in irrigation water availability and the political debate draw a difficult situation for agriculture. During recent years, as a result of the application of the National Irrigation Plan, irrigated areas are being modernised, improving their irrigation network infrastructure. But, for modernisation to go beyond isolated or point measures, it should spread through all procedures that allow the Water User’s Associations comprehensive management and control of irrigation water. The work presented here aims at analysing and quantifying the problems and needs perceived by some WUAs about irrigation. A survey was made by a 76 items questionnaire structured in four main topics: i) WUA identification and general information; ii) aspects related to decision making and management processes; iii) services for members provided by the WUA, and iv) future perspectives and improvement possibilities. Mon, 10 Nov 2025 14:03:48 GMT https://hdl.handle.net/11000/38032 2025-11-10T14:03:48Z https://hdl.handle.net/11000/38030 Título : Las empresas de inserción sociolaboral creadas por emprendedores sociales. Un análisis delphi Autor : Melian Navarro, Amparo Mon, 10 Nov 2025 13:32:54 GMT https://hdl.handle.net/11000/38030 2025-11-10T13:32:54Z https://hdl.handle.net/11000/35765 Título : Irrigation engineering and food production Autor : Melian Navarro, Amparo; Duarte, A.C.; RUIZ CANALES, ANTONIO; Lovelli, Stella; Castronuovo, Donato; Gonçalves, J. M. Tue, 04 Mar 2025 08:53:53 GMT https://hdl.handle.net/11000/35765 2025-03-04T08:53:53Z https://hdl.handle.net/11000/31059 Título : Resilience of Irrigated Agriculture to Face the Challenges in Mediterranean Climatic Conditions (Iberian Peninsula) Autor : CANATÁRIO DUARTE, ANTÓNIO; Melian Navarro, Amparo; RUIZ CANALES, ANTONIO Resumen : 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. Mon, 05 Feb 2024 12:34:28 GMT https://hdl.handle.net/11000/31059 2024-02-05T12:34:28Z