The Impact of Species Changes in African Lakes

1 Species changes and fisheries in African lakes: outline of the issues.- 1.1 Introduction.- 1.2 Geographical scope of the book.- 1.3 Introduction of fish to African lakes.- 1.4 Establishment of introduced species.- 1.5 Impacts of fish introductions.- 1.6 Ecological models of fish introductions.- 1.7 Evaluation of the impacts of species changes.- 1.8 Mitigation of the impacts of species changes.- 1.9 General recommendations for development and assistance in African lake fisheries.- Acknowledgements.- References.- One Introduced Nile Perch in Lake Victoria: Impacts on Biodiversity and Evaluation of the Fishery.- 2 Impact of environmental change, species introductions and ecological interactions on the fish stocks of Lake Victoria.- 3 Limnological changes in Lake Victoria since the Nile perch introduction.- 4 Impact of fish species introductions on the tilapias of Lakes Victoria and Kyoga.- 5 Diversity and stability of fish stocks in Lakes Victoria, Kyoga and Nabugabo after establishment of introduced species.- 6 Dynamics of the haplochromine cichlid fauna and other ecological changes in the Mwanza Gulf of Lake Victoria.- 7 An analysis of species changes in Lake Victoria: did the Nile perch act alone.- 8 Analysis of species changes in Lake Victoria using ECOPATH, a multispecies trophic model.- 9 Assessment of the Nile perch fishery in Lake Victoria.- 10 Thirty years on: the development of the Nile perch fishery in Lake Victoria.- 11 Socio-economic impacts of introduced species in Lake Victoria fisheries.- Two Evaluation of Species Changes in Other African Lakes with Introduced Fish Species.- 12 Inshore fish population and species changes in Lake Kariba, Zimbabwe.- 13 The impact of an introduction of sardine into Lake Kivu.- 14 The persistence of two introduced tilapia species in Lake Naivasha, Kenya, in the face of environmental variability and fishing pressure.- 15 Species changes in reservoir fisheries following impoundment: the case of Lake Itezhi-tezhi, Zambia.- Three Evaluation of Species Changes in African Lakes without Introduced Species.- 16 Changes in species composition and abundance of fish populations in Lake Turkana, Kenya.- 17 Management, conservation and species changes of exploited fish stocks in Lake Mala?i.- 18 Changes in demersal cichlid communities as a result of trawling in southern Lake Mala?i.- 19 Changes in species composition and abundance as a consequence of fishing in Lake Malombe, Mala?i.- 20 Effects of exploitation on the pelagic fish community in the south of Lake Tanganyika.- 21 Changes in the pelagic fisheries of northern Lake Tanganyika during the 1980s.- Four Overviews of Fish Introductions in African Lakes.- 22 Genetic impacts of fish introductions: a perspective on African lakes.- 23 Thinking the unthinkable: a candidate model for predicting sustainable yields of introduced fish species in African lakes.- 24 Why is Limnothrissa miodon such a successful introduced species and is there anywhere else we should put it.- Appendix: Summary of characteristics of major Arican lakes.- Lake Albert (Mobutu).- Lake Bengweulu.- Lake Cahora Bassa.- Lake Chad.- Lake Chilwa.- Lake Edward (Idi Amin).- Lake George.- Lake Itezhi-tezhi (Kafue Gorge).- Lake Kainji.- Lake Kariba.- Lake Kivu.- Lake Kyoga.- Lake Mala?i (Nyasa).- Lake Mweru.- Lake Nasser/Nubia.- Lake Tanganyika.- Lake Turkana (Rudolf).- Lake Victoria.- Lake Volta.- References.- Author index.- Species index.