Fishing in Chad 1960s, 1970s, and 1980s, total production of fish was estimated at between 60,000 and 120,000 tons per year. But because these figures represent production for the Logone River and Lake Chad, which are shared with Cameroon, Niger, and Nigeria, Chad's fish production amounted to an estimated 70 percent of the total. The largest part of the catch – perhaps two-thirds – was consumed locally. In areas adjacent to urban centers, some portion - usually the best of the catch, such as large Nile perch (called "capitaine" in Chad) – was marketed fresh. Along Lake Chad and the river borders with
Niger Basin Authority from the threats of desertification, deforestation and pollution of the rivers by agriculture and industry have become a major theme of their work. Nine nations which include part of the Niger Basin are members: Benin, Burkina Faso, Cameroon, Chad, Côte d'Ivoire, Guinea, Mali, Niger and Nigeria. While a small area of Algeria falls within the Niger Basin, it is not a member of the NBA. It is based in Niamey and works in both French and English. Ministers representing the Authority's members meet in yearly session at the headquarters in Niamey, as well as locations in the member states. Additionally,