Desertification 4 : The processes by which an already arid area becomes even more barren, less capable of retaining vegetation, and progressing towards becoming a desert
United Nations, Department of Humanitarian Affairs (DHA/93/36), Internationally agreed glossary of basic terms related to Disaster Management (Spanish and French also included alongside English text.), UN, DHA-Geneva 1992. http://reliefweb.int/sites/reliefweb.int/files/res ources/004DFD3E15B69A67C1256C4C006225C2-dha-glossa ry-1992.pdf, (Emr Mgt - Brit) {798}