This study, which is part of in-depth studies on the economies of African least developed countries envisaged in the ECA Medium-term Plan for the period 1984—1989, underscores the objective of the attainment of food self—sufficiency as a priority area called for in such key documents, as Freetown

Le Zaïre est un pays aux dimensions continentales qui regroupe des centaines de tribus. Il en résulte une diversité de langues et coutumes, mais aussi de systèmes juridiques.

This issue of Unasylva focuses on the fortieth anniversary of FAO - -and, in particular, on 40 years of work by FAO's Forestry Department.

Le rle de la fort dans la recherche de la scurit alimentaire fait l'objet de l'article principal.

The lead article on forestry and food security describes the importance of forestry In the maintenance, improvement or rehabilitation of the productive capacity of agriculture. Following is an article dealing with the threat of acid rain.