RT null T1 Development of a New Method of Desertification Evaluation of the Sahel Region : The Land Use Component is Analized by Remote Sensing and GIS Techniques 1950-1990 - Final Report of Stage 1 A1 United Nations Environment Programme, A1 France, K1 desertification K1 environmental degradation K1 Sudano-Sahelian region YR 1993 FD 1993 LK https://wedocs.unep.org/handle/20.500.11822/28510 UL https://wedocs.unep.org/handle/20.500.11822/28510 NO The projects objective is to develop a method allowing for an evaluation of a possible environmental degradation occurred in various Sahelian countries in the last decades. In case this method (after improvement as recommended in the last chapter) is considered as valid, it will provide Sahel countries and the international community with tocalised and homogeneous geographical information concerning the desertification phenomenom over the entire West African area (as a first step). DS UN Environment Document Repository RD Sep 17, 2026