The status of biological resources in Morocco : constraints and options for conserving biological diversity
1988
Duvall, Leroy |
Environmental management
National environmental action plan for Mauritius
1990
Rathnam, M. |
Barrats, B. |
Post, J. |
Environnement et developpement en Mauritanie - rapport thematique 3 : protection et gestion des sols
1991
Merzoug, M. S. O. |
Limame, A. O. |
Resource inventory of Southwestern Mauritania : geology, soils, forestry, pasture - renewable resource management
1982
Dalsted, Kevin |
Andrawis, A. |
Samuel, A. |
Conservation for tropical rain forest in Liberia : recommendations for wildlife conservation and national parks
1983
Verschuren, Jacques |