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Titlebook: National Water Security; Case Study of an Ari Mustapha Besbes,Jamel Chahed,Abdelkader Hamdane Book 2019 Springer International Publishing A

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,Fifty Years of Water Policies, 1960–2010,rge part, although unequally, of rural regions. Irrigation has been developed on 420,000 ha, or 8% of arable land which contribute nearly a third of the agricultural production value. The water facilities are involved, in addition, to mitigate the flood-related damage and droughts. Urban sanitation
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The National Water Balance,overexploited: the national groundwater overexploitation is 20%. The chapter presents updated information on water facilities: large dams, hill lakes and hill dams, water-table and deep aquifers, with a focus on weakly renewable resources and exploitable resources taking into account the water salin
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The Holistic Water Balance: Blue Water, Green Water and Virtual Water,rop production, irrigated agriculture and animal production is estimated on average at 12 km./year. Overall, the green water contribution, including rangelands, represents three quarters of the agricultural production. The remaining corresponds for a half to blue water footprint associated to irriga
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Elements for a Conceptual Model of National Water Security,e holistic view of water resources is that water scarce countries should cope with all water resources: improvement of water use efficiency, valorization of rainfed agriculture, development of alternative water resources, and optimization of virtual water fluxes. All components of water availability
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