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Uploaded on Tuesday 21 Feb 2012 by GRID-Arendal

Degraded soils

Year: 2007 Author: Philippe Rekacewicz, UNEP/GRID-Arendal
Soil degradation is a key global environmental indicator. Very degraded soils are found especially in semi-arid areas (Sub-Saharan Africa, Chile), areas with high population pressure (China, Mexico, India) and regions undergoing deforestation (Indonesia). Degraded soils reduce the possibilities for agriculture, increases the expansion of drylands/desert and hightens the risk for erosion. This map presents the state of global soil degradation, from the GLASOD study in 1997.
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