Chad Basin demand for ivory, but stocks have since recovered. The seasonal Korama River in the south of Niger does not reach Lake Chad. Nigeria includes two sub-basins that drain into Lake Chad. The Hadejia - Jama'are - Yobe sub-basin in the north contains the Hadejia and Jama'are rivers, which supply the Hadejia-Nguru wetlands. They converge to form the Yobe, which defines the border between Niger and Nigeria for , flowing into Lake Chad. About of water reaches Lake Chad annually. Construction of upstream dams and growth in irrigation have reduced water flow, and the floodplains are drying up. The Yedseram -
Chad–Cameroon Petroleum Development and Pipeline Project Cameroon, and that the revenues be put towards improving social and economic conditions. Since 1990, President Idriss Deby has been the head of government in Chad, where presidential elections are held every five years. Chad's economy is dependent mainly on agriculture and livestock. It heavily relies on foreign assistance and foreign capital, as well as international investment projects. Because of Chad's landlocked borders, its economy struggles from a lack of resources and instability between rebel groups. The country also serves as a host to thousands of refugees from neighboring Sudan and Central African Republic, as well as many victims of