Vanishing land and water
Arable land in the Sahelian region of Africa is vanishing due to erosion and a decrease in available water. This book explains why, and also shows how this problem is being overcome through detailed descriptions and diagrams.
Arid regionsSoil conservationWater conservationWater-supply, RuralWater-supply engineeringEauApprovisionnement ruralApprovisionnementTechniqueSolsConservationAridity and arid regions