
F3 PRIMARY PRODUCTION RATE
Biological production in four main natural regions [kg ha-1 yr-1]
South Basin Open water Archipelago North Basin Open water Archipelago
Phytoplankton
(Gr 18,000
Copepoda 159 438 792
Mollusca 77 30 353 136
Source: Carmouze, J.-P., Durand, J.-R., & Leveque C. (1983) The lacustrine ecosystem during the "Normal Chad" period and the drying phase. "Lake Chad" (ed. Carmouze, J.-P., Durand, J.-R. & Leveque, C.), pp. 527-560.