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Livelihoods in Jeopardy
Food Prospects in Desert Lands 19
Social Causes and Social Solutions 27
Acacia Algeria analysts animals areas arid lands arid or semi-arid Aspects of Desertification capita grain output Climate and Desertification climatic change Conference on Desertification cultivation decline degradation desert countries Desert Encroachment desert lands desert regions desertifica deterioration Dregne drought dryland dryland farming dust bowl ecological economic Environmental Erik Eckholm export crops fallow farming firewood food-production forage global governments grain production grasses grow H. N. Le Houerou herds human Indian International Development irrigated Jeremy Swift Kassas Kenneth Hare land-tenure pattern land's livestock Lofchie Luni Middle East million moisture Nahal natural Navajos Niger nologies nomadic North Africa number of grazing numbers overgrazing pastures percent plant poor population potential problem protected against famine rainfall rains fail Rajasthan rangelands recently Sahara Sahel Sahelian drought sand scientists semi-arid sheep social Somalia spread square kilometer Studies of Desertification Sudan Sudanian Thar Desert tion topsoil trends U. N. Conference U. S. Agency vegetation W.W. Norton