Agriculture is the major source of livelihood for the majority of West Africans. The agricultural sector employs 60 percent of the active labor force but contributes only 35 percent of gross domestic product (GDP). The disparity between contribution to GDP and share of population means that many...

Senegal is the most westerly state of West Africa. The country is relatively flat, with low relief. Its total land area is 196,192 square kilometers. Its northern border, which is shared with Mauritania, is defined by the Senegal River. The Falémé River delineates part of the eastern border...

The Republic of Guinea covers an area of 245,857 square kilometers divided into seven administrative regions: Kindia, Boké, Mamou, Labé, Faranah, Kankan, and N’Zérékoré. The country consists of four major agroecological regions: coastal (Lower Guinea), middle (Fouta Djallon), upper, and...