Acknowledgements

Exploitation of natural riches necessary to humanity's material welfare must not damage our ecosystem as its equilibrium is vital to mankind. The African man knows this well for he has signed a pact with Earth and Nature for many a millennium.

His Excellency Mr. Abdou Diouf

President of the Republic of Senegal

Statement on conservation

IUCN Bulletin 1982

ADVISORY COMMITTEE ON THE SAHEL

LEONARD BERRY, Graduate School of Geography, Clark University, Worcester, Massachusetts, USA, Chairman

EDWARD AYENSU, Office of Biological Conservation, Smithsonian Institution, Washington, D.C., USA, Vice Chairman

MOUNKEILA Assistant Director, Forest Service, Ministry of Rural Development, Niger

FRANCIS LeBEAU, Agricultural Consultant, Crystal Springs, Mississippi, USA

FRED WEBER International Resources Development and Conservation Services, Boise, Idaho, USA

STUDY STAFF, BOARD ON SCIENCE AND TECHNOLOGY

FOR INTERNATIONAL DEVELOPMENT

CAROL CORILLON, Writer/Research Associate

JEFFREY GRITZNER, Professional Associate

CONTRIBUTORS

JOHN RAINTREE, Senior Research Scientist, International Council for Research in 4 Agroforestry Nairobi, Kenya

JAMES THOMSON, Natural Resources Management Consultant, Silver Spring, Maryland, USA

HANS-JURGEN VON MAYDELL, Institute for World Forestry, Hamburg, Federal Republic of Germany