Lake Victoria: Ecology, Resources, Environment by Joseph L. Awange

By Joseph L. Awange

This publication constitutes a pioneering and targeted paintings on Lake Victoria. it's the world’s moment greatest fresh-water lake and helps the livelihood of greater than 30 million humans. unusually, there was no complete booklet addressing its difficulties and potentials. Ecology, environmental pollutants and source administration are a number of the concerns addressed through this accomplished perception into the constraints, demanding situations and possibilities dealing with Lake Victoria.

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Extra resources for Lake Victoria: Ecology, Resources, Environment

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8. 3 Fisheries 37 Fig. 4. Women are dominating in the processing and marketing of Omena . 1968, the three most caught species accounted for 61% of fish landed, in 1995, they represented. The Nile Perch dominated the landings for the Lake with 57% in 1999, followed by Tilapia (22%), and dagaa (20%). Much of the Nile Perch, up to 80-90% of adult fish are processed into fillets for export. Bladders (maws) are also exported. The frames are either consumed locally or processed as fishmeal. Tilapia is mostly consumed locally, while Omena, is consumed either as a dried product and is increasingly being used in the production of fishmeal (for livestock production).

37]. Like many other inland fisheries in Africa, Lake Victoria has experienced some alarming changes in recent years. The species composition of the fisheries has changed from that which prevailed at the beginning of this century when their development started. The earliest surveys of the Lake showed that the fishes of Tilapine species particularly oreochromis esculentus were then the most important commercial species. Other fish species include Protopterus aethiopicus, Barus docmac, Clarias Mossambicus, Barbus, Moormyrids and Schilbe mystus.

Factories also reject a proportion of fish on account of it being too small or stale. The rejected Nile Perch are processed by the local fishmongers as (Mgongowazi ) which means skeleton and are sold as far as Mombasa and even to the Democratic Republic of Congo (DRC). 46 3 Resources Fish Processing Most locally processed fish are either sun-dried or smoked, although small quantities of frozen fillets are also produced at a few small filleting plants in Kisumu. All the fillets are made from Nile Perch and Tilapia.

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