TY - GEN AU - United Nations Environment Programme AU - Global Environment Monitoring System A4 - Deichmann, U. A4 - Eklundh, L. PY - 1991 UR - https://wedocs.unep.org/handle/20.500.11822/29349 LA - English KW - climate change KW - computer software KW - data analysis KW - database KW - data processing KW - geographic information system KW - environmental monitoring KW - population density KW - population distribution KW - soil conservation KW - vegetation TI - Global Digital Datasets for Land Degradation Studies: a GIS Approach - GRID Case Study Series No. 4 M3 - Communication or other resource ER -