The Sahel Author Mortimore M. Monograph International Environmental Negotiation Date 1993 Source IUCN (ID: ANA-053012) Publisher | Place of publication Sage Publications | Newbury Park, CA, USA ISBN 0-8039-4760-7; $ 48,00 Pages 149 - 170; 22 p. Language English Field of application International Subject Land & soil Keyword Soil pollution/quality Soil conservation/soil improvement Desertification International relations/cooperation Geographical area Africa