Supplementary information

The Ecology of Lake Victoria

Nile perch was first recorded in Lake Victoria in 1960. Once its presence was confirmed, the British colonial governments in Uganda and Kenya proceeded with deliberate transfers (which had been under debate for several years). Over the next 25 years the Nile perch spread throughout the lake, but catches remained at a low level (of less than 5% of the total) until the 1980s. During this decade there was a dramatic change in the ecology of the lake, with Nile perch catches increasing in quantity, to an estimated 500,000 tonnes per annum, representing well over 90% of the biomass and 60% of the total catch. The indigenous tilapia have all but been replaced by the introduced Nile tilapia Oreochromis niloticus, and the only other significant fishery is for the small anchovy-like fish, the omena (Rastrineobola argentea). Lake Victoria once supported a vast range of closely related species of fish of the genus Haplochromis, occupying a diversity of ecological niches. However, there has been substantial decline in the haplochrome population; about half of the 400 original species have become extinct and many of the rest are under severe pressure, much to the concern of ecologists. Without a co-ordinated effort to preserve habitats, the future for species diversity in the Lake continues to look bleak.
 

                   

List of Approved Exporters

Establishment Number Name

Uganda

U03/94 Gomba Fish Industries

U05/96 Hwan Sung Ltd.

U06/96 Uganda Fish Packers

U10/97 Clovergem(u) Ltd.

Kenya

KEN/MF/KSM701 Modern Fishing Industries Ltd.

KEN/PS/MGR/02 Prinsal Ltd.

KEN/AM/KSM/03 Afro Meat Ltd.

KEN/SINBI/04 Samaki Industries

KEN/SH/MSA/05 Sea Harvest Kenya Ltd.

KEN/TA/MSA/06 Trans Africa Fisheries Ltd

KEN/TA/MAS/08 Capital Fish Ltd.

Tanzania

A-PP-205 Vic-Fish Ltd.

A-PP-208 Nile Perch Fisheries Ltd.

A-PP-209 Tanzania Fish processors Ltd.

A-PP-215 Omega Fish Ltd.

A-PP-210 Mwanza Fishing Industries

 

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Uganda Fish Processors and Exporters Association

PO Box 7318 Kampala

Uganda

Tel. +256 41 243122/ 243066/220793

Fax. + 256 41 22 11 41

Director: Mr.Yusuf Karmali

Lake Victoria Fish Processors Association (Tanzania)

Tel. +255 51 32897

Fax. +255 51 118955

Chairman: Mr.Bhagat