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Desertification - extract from InforMEA e-learning course
… defines desertification as, “land degradation in arid, semi-arid and dry sub-humid areas resulting from various factors, … evapotranspiration (PET) is less than 1.0. The P/PET for arid, semi-arid and dry sub-humid drylands falls within the …
Land Degradation Neutrality: implications and opportunities for conservation - Nature based solutions to desertification, land degradation and drought
… Ecosystem Based Approaches … the output of collaboration between the IUCN Commission on Ecosystem Management, World Commission on Environmental Law, … doubled since the 1970s and by 2030 water scarcity in some arid and semiarid places may displace up to 700 million …