Environmental implications of the Salto Grande hydraulic multipurpose development scheme
1982
Environmental management
Biodiversity and conservation in the Caribbean : profiles of selected islands
1988
Johnson, Timothy H. (Timothy Hugh) |
Land use possibilities on the Kafue Flats, Zambia
1983
Marchand, M. |
Wisse, E. |
Drijver, C. A. (Carel A.) |
Proceedings of the National Seminar on Environment and Development : a review of some environmental problems in Zambia
1979
Johnson, David S. |
Roder, Wolf |
Desertification control and renewable resource management in the Sahelian and Sudanian regions fo West Africa
1987
Falloux, François |
Mukendi, Aleki |
Desertification in the Sahelian and Sudanian zones of West Africa
1987
Gorse, Jean-Eugene |
Steeds, David R. |
Conservation of ecosystems : theory and practice - a report on a workshop meeting held at Tsitsikama, South Africa, September 1980
1982
Siegfried, W. R. |
Davies, B. R. |