Etude de suivi du trait de cote et schéma directeur littoral de l'Afrique de l'Ouest = Regional shoreline monitoring study and drawing up of a management scheme for the West African coastal area
The price of soil erosion : an economic evaluation of soil conservation and watershed development Author(s) Graaff, Jan de
The hand of man : soil conservation in Kondoa eroded area, Tanzania Author(s) Christiansson, Carl Mbegu, Alfred C. Yrgard, Anders
Traditional village institutions in environmental management Author(s) Thomas-Slayter, Barbara Kabutha, Charity Ford, Richard B.
Desert development : proceedings of the second International Desert Development Conference held on 25-31 January 1987 in Cairo, Egypt Author(s) Bishay, A. Dregne, H. E. (Harold E.)
Studies on erosion, flood and landslide in Abia, Akwa Ibom, Cross River and Imo states. Vol.1 : Abia State
Vanishing land and water : soil and water conservation in dry lands Author(s) Chleq, Jean-Louis Dupriez, Hugues
