Some biological aspects and life history strategies of Nile tilapia Oreochromis niloticus (L.) in Lake Victoria, Kenya

African Journal of Ecology

Volumn 44, Issue 1, 2006, Pages 30-37

  Njiru, M ^a,b   Ojuok, J E ^a   Okeyo Owuor, J B ^b   Muchiri, M ^b   Ntiba, M J ^c   Cowx, I G ^d  

^a KENYA MARINE AND FISHERIES RESEARCH INSTITUTE   (Kenya)

^b MOI UNIVERSITY   (Kenya)

^c UNIVERSITY OF NAIROBI   (Kenya)

^d UNIVERSITY OF HULL   (United Kingdom)

Author keywords

Condition; Fecundity; Introduction; Overexploitation; Weight length

Indexed keywords

BODY CONDITION; FECUNDITY; INTRODUCED SPECIES; LENGTH-WEIGHT RELATIONSHIP; LIFE HISTORY; REPRODUCTION; SEX RATIO;

AFRICA; EAST AFRICA; EAST AFRICAN LAKES; KENYA; LAKE VICTORIA; SUB-SAHARAN AFRICA;

OREOCHROMIS NILOTICUS; TILAPIA;

EID: 33645474160     PISSN: 01416707     EISSN: 13652028     Source Type: Journal    
DOI: 10.1111/j.1365-2028.2006.00610.x     Document Type: Article

References (29)

1. B alirwa J.S. 1998 Lake Victoria wetlands and the ecology of the Nile tilapia, Oreochromis niloticus (L). PhD thesis University of Wageningen A.A. Balkema, Rotterdam.
2. B ootsma H.A. H ecky R.E. 1993 Conservation of the Africa great lakes: a limnological perspective. Conserv. Biol. 7 644 656.
3. C addy J.F. M ahon R. 1995 Reference points for fisheries management. FAO Fish. Tech. Paper 347 FAO Rome
4. C harlesworth B. L eon J.A. 1976 The relation of reproductive effort to age. Am. Nat. 110 449 459.
5. C owx I.G. V an der K naap M. M uhoozi L.I. O thina A. 2003 Improving fishery catch statistics for Lake Victoria. J. Ecosys. Health Mgmt 6 299 310.
6. C rul R.C.M. 1995 Limnology and Hydrology of Lake Victoria. UNESCO/IHP-IV Project M-5.1. UNESCO Publishing Paris.
7. D adzie S. A bou -S eedo F. M anyala J.O. 2000 Length weight relationship and condition factor of Pampus argentus (Euphrasen 1788) in Kuwait waters. Kuwait J. Sci. Engin. 26 123 136.
8. F ryer G. I les T.D. 1972 The Cichlids Fishes of the Greater Lakes of Africa. Oliver and Boyd Edinburg.
9. G etabu A. 1992 Growth parameters and total mortality in Oreochromis niloticus (L) from Nyanza Gulf, Lake Victoria. Hydrobiologia 232 91 97.
10. L e C ren E.D. 1951 The length weight relationship and season cycle in gonad weight and condition in Perch (Perca fluviatilis). J. Anim. Ecol. 20 179 219.
11. L owe -M c C onnell R.H. 1955 The fecundity of tilapia species. E. Afr. Agri. J. 11 45 52.
12. L owe -M c C onnell R.H. 1958 Observations on the biology of Tilapia nilotica Linné in East Africa waters. Rev. Zool. Bot. Afr. 57 130 172.
13. L ung'aiya H.B.O. 1994 Some aspects of the reproductive biology of the Nile tilapia, Oreochromis niloticus (L.) in the Nyanza Gulf of Lake Victoria, Kenya. In: Recent Trends of Research on Lake Victoria Fisheries Eds E. O kemwa E. W akwabi A. G etabu ICIPE Science Press Kenya.
14. M ann R.H.K. M ills C.A. 1985 Variation in the size of gonads, eggs and larvae of dace, Leuciscus leuciscus. Env. Biol. Fish. 13 277 287.
15. M oriarty C.M. M oriarty D.J.W. 1973 Quantitative estimation of the daily ingestion of phytoplankton by Tilapia nilotica and Haplochromis nigrispinnis in Lake George, Uganda. J. Zool. 171 15 23.
16. N jiru M. O thina A. G etabu A. T weddle D. C owx I.G. 2002 'The invasion of water hyacinth, Eichhornia crassipes Solms (Mart.), a blessing to Lake Victoria fisheries'. In: Management and Ecology of Lake and Reservoirs Fisheries Ed. I. G. C owx Fishing News Books, Blackwell Science Oxford, U.K.
17. N jiru M. O keyo -O wour J.B. M uchiri M. C owx I.G. 2004 Shift in feeding ecology of Nile tilapia in Lake Victoria, Kenya. Afri. J. Ecol. 42 163 170.
18. O gutu -O hwayo R. 1990 The decline of the native fishes of lakes Victoria and Kyoga (East Africa) and the impact of introduced species, especially the Nile perch, Lates niloticus and the Nile tilapia, Oreochromis niloticus. Env. Biol. Fish. 27 81 96.
19. P ianka E.R. 1970 On 'r' and 'K' selection. Am. Nat. 104 592 597.
20. R inne J.N. W anjala B. 1982 Observations on movement patterns of Tilapia spp. in Nyanza Gulf, Lake Victoria, East Africa. J. Fish Biol. 20 317 322.
21. S parre P. V enema S.C. 1998 Introduction to tropical fish stock assessment. Manual Part 1. FAO Fish. Tech. Pap. no 306.
22. S tearns S.C. 1976 Life history tactics: a review of ideas. Q. Rev. Biol. 51 3 47.
23. T alling J.F. 1966 The annual cycle of stratification and phytoplankton growth in Lake Victoria (East Africa). Int. Rev. Ges. Hydrobiol. 51 541 621.
24. T esch F.W. 1971 Age and growth. In: Methods of Assessment of Fish Production in Fresh Water IBP Handbook No. 3, 2nd edn (ed. W.E. R icker Blackwell Scientific publication New York
25. V an der K naap M. N tiba M.J. C owx I.G. 2002 Key elements of fisheries management on Lake Victoria. J. Ecosystem Health Manag. 5 245 254.
26. W elcomme R.L. 1967 Observations on the biology of introduced species of Tilapia in Lake Victoria. Rev. Zool. Bot. Afr. 76 249 279.
27. W itte F. V an Densen W.L.T. 1995 Fish Stocks and Fisheries of Lake Victoria. A Handbook for Field Observations. Cardigan, Britain, Samara Publishing Cardigan U.K.
28. W ootton R.J. 1990 Ecology of Teleost Fishes. Chapman and Hall New York.
29. Z ar J.H. 1999 Biostatistical Analysis. Prentice-Hall New Jersey, U.S.A.