Njiru, M; Othina, AN; Wakwabi, E (Lake Victoria Environmental Management Project (LVEMP), 2004)
Due to heavy infestation of water hyacinth in Lake Victoria catches of Clarias gariepinus (Burchell) and
Protopterus aethiopicus (Heckel), which strongly decreased in the 1980s, increased markedly in 1998.
Tilapia catches ...