Complex sentence: The zone also includes the Manding plateau (near Bamakom, the capital of Mali) which is part of Fouta Djallon Mountains (elevation) of Guinea; this forms the upper region of the catchment area that lies between the Senegal and Niger River systems.
Split into simpler sentences: The zone also includes the Manding plateau (near Bamako, the capital of Mali) which is part of Fouta Djallon Mountains (elevation) of Guinea. This forms the upper region of the catchment area that lies between the Senegal and Niger River systems.