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Desertification: the invisible frontline
… afghanistan were in before local conflicts over water or land turned into civil wars, sexual violence or genocide. nor … a lost opportunity to produce 20 million tons of grain • agricultural yields could fall by up to 50% in some african … drylands and developing countries. about one third of all agricultural land is either highly or moderately degraded. …
Water in drylands - Adapting to scarcity through integrated management
… rights and governance for dryland water resources and land . . . . . . . . . . . . . . . . . .38 Establish … that can be experienced (UN/ISDR, 2007): meteorological; agricultural; and hydrological. Drought assessment frameworks … modality of rainfall (number of rainy seasons per year). • agricultural drought is defined as insufficiency of water to …
Introduction to Freshwater Resources - extract from InforMEA e-learning course
… local and regional climate patterns. When water returns to land through precipitation, it may either remain on the … sources of freshwater pollution include untreated sewage, agricultural run-off and discharge of chemical substances. … of uses for convenience: domestic uses; industrial uses; agricultural uses; recreational uses; navigational uses; …