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Water use indicators

Water is a renewable limited resource, which is essential for combating drought and desertification. The key point of sustainable development is to safeguard water resources and to ensure that the availability for public water supplies is provided in such a way that the protection of the environment is achieved. The indicators related to water use provides information on the efficient allocation of water among uses and tools for managing risk associated with drought. The uncontrolled use of water resources in the last decades for both irrigation and domestic consumption resulted in severe environmental impact on the water quality of the most productive aquifers and on soil degradation due to salinization. As it is expected, the areas facing water shortages and overexploitation problems are those located in semi-arid and arid climatic conditions having high population density, and intensive agriculture activities. The following indicators related to water use have been considered in this project:

(a) Irrigation percentage of arable land, (b) runoff water storage, (c) water consumption per sector, and (d) water scarcity.

Table 12. Number of field sites in which indicators related to water use was recorded in the filled questionnaires

site no Study site Irrigation percentage of arable land Runoff Water Storage Water Consumption by Sector Water Scarcity
1 Rendina Basin, Basilicata, Italy - - - -
2 Loess Plateau, China - - - -
3 Mação, Portugal - - - 31
4 Secano Interior, Chile 28 28 - -
5 Nestos Basin, Maggana, Greece 30 - - 30
6 Konya, Karapinar plain, Turkey - 74 - 74
7 Boteti Area, Botswana 21 45 12 49
8 Zeuss-Koutine, Tunisia 120 118 - -
9 Mamora/Sehoul, Morocco 120 120 - -
10 Eskisehir, Turkey 70 70 - 70
11 Santiago Island, Cape Verde 103 103 - -
12 Guadalentin Basin, Murcia, Spain 121 121 - -
13 Djanybek, Russia 98 69 29 138
14 Novij, Saratov, Russia 122 84 62 100
15 Crete, Greece 269 155 - 114
16 Cointzio Watershed, Mexico 67 67 - 20
17 Gois, Portugal - - - 30
TOTAL 1169 1054 103 656