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… VON MALTITZ, Senior Researcher, Council for Scientific and Industrial Research, Pretoria, South Africa (AF) Tao WANG, … the country. Apart of natural causes of land degradation, industrial development brought a new set of erosion risk … disaster, the area of the Drina River is recipient of waste waters and pollution derived from several polluters …

… beaches and in the mountains, and expansion of urban and industrial areas. In addition, international trade patterns …