| |
| | PAPERS PRESENTED AT THE SYMPOSIUM ON BIOLOGY, STOCK ASSESSMENT AND EXPLOITATION OF SMALL PELAGIC FISH SPECIES IN THE ... |
 | | in Lake Albert, on Engraulicypris stellae in Lake Turkana and on Alestes dageti and Micralestes acutidens in Lake Chad (Coulter, 1970, 1981; Hopson, 1972; Ogutu-Ohwayo, 1984, 1990a; Ogari and Dadzie, 1988; Ligtvoet and Mkumbo, 1990). |
 | | For example, in Lake Tanganyika there appears to be an inverse relationship between the abundance of predators and their prey; an increase in the abundance of Lates stappersii is followed by a reduction in that of its main prey, Stolothrissa tanganicae (Coulter, 1970; Roest, 1988). |
 | | In Lake Volta an increase in the abundance of clupeids was followed by an increase of Hydrocynus spp and Lates niloticus (Petr and Kapetsky, 1983). |
| www.fao.org /DOCREP/005/V2648E/V2648E02.htm (1656 words) |
|