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Water in drylands - Adapting to scarcity through integrated management
… densities of the drylands and as a result face particular degradation challenges. • Where potential evapotranspiration … rainfall can be lost through evaporation from the dry soil surface, particularly when infiltration rates are low or … cover, including in terms of biodiversity, or through soil sealing). Molden and Oweis (2007) state that as much as …
Desertification: the invisible frontline
… legal framework for tackling desertification, land degradation and drought, 169 of its 194 Parties have declared … human destruction due to the small water containment in soil. status and trends in global land degradation Global soil degradation (1997) WaTer (In)securITy – WaTer scarcITy …
Introduction to Freshwater Resources - extract from InforMEA e-learning course
… as lakes, reservoirs and rivers, as well as from moist soil and other surfaces. Considerable amounts of water vapour … the ground through infiltration may be held in the soil, to eventually return to the surface through capillary … deforestation can increase runoff, causing erosion of soil which can lead to increased turbidity of streams and …