Differential decline and recovery of haplochromine trophic groups in the Mwanza Gulf of Lake Victoria

Aquatic Ecosystem Health and Management

Volumn 10, Issue 4, 2007, Pages 416-433

  Witte, F ^a   Wanink, J H ^a   Kishe Machumu, M ^b   Mkumbo, O C ^b   Goudswaard, P C ^a   Seehausen, O ^c  

^a LEIDEN UNIVERSITY   (Netherlands)

^b TANZANIA FISHERIES RESEARCH INSTITUTE   (Tanzania)

^c Zoologischen Institut der Universitat Bern   (Switzerland)

Author keywords

Detritivores; Eutrophication; Fishery; Haplochromine cichlids; Nile perch; Zooplanktivores

Indexed keywords

CICHLIDAE; LATES NILOTICUS;

EID: 36549006046     PISSN: 14634988     EISSN: 15394077     Source Type: Journal    
DOI: 10.1080/14634980701709410     Document Type: Article

References (112)

1. Acere, T. O., 1988. The controversy over Nile perch, Lates niloticus, in Lake Victoria, East Africa. Naga, ICLARM Q 11, 3-5.
2. Aloo, P. A., 2003. Biological diversity of the Yala Swamp lakes, with special emphasis on fish species composition, in relation to changes in the Lake Victoria Basin (Kenya): threats and conservation measures. Biodiv. Cons. 12, 905-920.
3. Amaras, J. O., 1986. Origin of Nile perch. The Standard, July 22, Kenya.
4. Anderson, A. M., 1961. Further observations concerning the proposed introduction of Nile perch into Lake Victoria. E. Afr. Agric. J. 26, 195-201.
5. Arunga, J.O., 1981. A case study of the Lake Victoria Nile perch Lates niloticus (Mbuta) fishery. pp. 165-184. In: Proceedings of the Workshop of the Kenya Marine and Fisheries Research Institution on Aquatic Resources of Kenya, Mombasa, 1981 July 13-19. KMFRI and Ken. Nat. Ac. Adv. Arts Sci., Nairobi.
6. Balirwa, J. S., Chapman, C. A., Chapman, L. J., Cowx, I. G., Geheb, K., Kaufman, L., Lowe-McConnell, R. H., Seehausen, O., Wanink, J. H., Welcomme, R. L., Witte, F., 2003. Biodiversity and fishery sustainability in the Lake Victoria basin: an unexpected marriage? BioScience 53, 703-715.
7. Balon, E. K., Bruton, M. N., 1986. Introduction of alien species or why scientific advice is not heeded. Env. Biol. Fish. 16, 225-230.
8. Barel, C. D. N., Ligtvoet, W., Goldschmidt, T., Witte, F., Goudswaard, P. C., 1991. The haplochromine cichlids of Lake Victoria: an assessment of biological and fisheries interest. In: M.H.A. Keenleyside (Ed.), Cichlid Fishes: Behaviour, Ecology and Evolution, pp. 258-279. Chapman & Hall, London.
9. Barel, C. D. N., Dorit, R., Greenwood, P. H., Fryer, G., Hughes, N., Jackson, P. B. N., Kanawabe, H., Lowe-McConnel, R. H., Nagoshi, M., Ribbink, A. J., Trewavas, E., Witte, F., Yamaoka, K., 1985. Destruction of fisheries in Africa's lakes. Nature 315, 19-20.
10. Bolam, S. G., Fernandes, T. F., Huxham, M., 2002. Diversity, biomass and ecosystem processes in the marine benthos. Ecol. Monogr. 72, 599-615.
11. Bundy, A., Pitcher, T. J., 1995. An analysis of species changes in Lake Victoria: did the Nile perch act alone? In: T. J. Pitcher, P. J. B. Hart (Eds), The Impact of Species Changes in African Lakes, pp. 111-135. Chapman & Hall, London.
12. Campbell, L., Dixon, D. G., Hecky, R. E., 2003. A review of mercury in Lake Victoria, East Africa: implications for human and ecosystem health. Journal of Toxicology and Environmental Health Part B: Critical Reviews 6, 325-356.
13. Carpenter, S. R., Kitchell, J. F. (Eds.), 1993. The Trophic Cascade in Lakes. Cambridge University Press, Cambridge.
14. Chapman, L. J., Chapman, C. A., Nordlie, F. G., Rosenberger, A. E., 2002. Physiological refugia: swamps, hypoxia tolerance and maintenance of fish diversity in the Lake Victoria region. Comp. Biochem. Physiol. A 133, 421-437.
15. Chapman, L. J., Kaufman, L. S., Chapman C. A., McKenzie, F. E., 1995. Hypoxia tolerance in twelve species of East African cichlids: potential for low oxygen refugia in Lake Victoria. Conserv. Biol. 9, 1274-1288.
16. Chapman, L. J., Chapman, C. A., Ogutu-Ohwayo, R, Chandler, M., Kaufman, L., Keiter, A.E., 1996. Refugia for endangered fishes from an introduced predator in Lake Nabugabo, Uganda. Conserv. Biol. 10, 554-561.
17. Chapman, L. J., Chapman, C. A., Schofield, P. J., Olowo, J. P., Kaufman, L., Seehausen O., Ogutu-Ohwayo, R., 2003. Fish faunal resurgence in Lake Nabugabo, East Africa. Conserv. Biol. 17, 500-511.
18. Coulter, G. W., 1967. Lowapparent oxygen requirements of deep-water fishes in Lake Tanganyika. Nature 215, 317-318.
19. Fryer, G., 1960. Concerning the proposed introduction of Nile perch into Lake Victoria. E. Afr. J. Agric. 25, 267-270.
20. Gee, J. M., 1964. Nile perch investigation. EAFFRO Ann. Rep. 1962-1963, 14-24.
21. Getabu, A., Tumwebaze, R., MacLennan D. N., 2003. Spatial distribution and temporal changes in the fish populations of Lake Victoria. Aquat. Liv. Res. 16, 159-165.
22. Goldschmidt, T., 1996. Darwin's Dreampond, Drama in Lake Victoria. The MIT Press, Cambridge, Massachussets.
23. Goldschmidt, T., Witte, F., 1990. Reproductive strategies of zooplanktivorous haplochromine cichlids (Pisces) from Lake Victoria before the Nile perch boom. Oikos 58, 356-368.
24. Goldschmidt, T., Witte, F., de Visser, J., 1990. Ecological segregation in zooplanktivorous haplochromine species (Pisces: Cichlidae) from Lake Victoria. Oikos 58, 343-355.
25. Goldschmidt, T., Witte, F., Wanink, J., 1993. Cascading effects of the introduced Nile perch on the detritivorous/ phytoplanktivorous species in the sublittoral areas of Lake Victoria. Conserv. Biol. 7, 686-700.
26. Gophen, M., Ochumba, P. B. O., Kaufman, L. S., 1995. Some aspects of perturbation in the structure and biodiversity of the ecosystem of Lake Victoria (East Africa). Aquat. Liv. Res. 8, 27-41.
27. Gophen, M., Ochumba, P. B. O., Pollingher, U., Kaufman, L. S., 1993. Nile perch (Lates niloticus) invasion in Lake Victoria (East Africa). Verh. Int. Ver. Limnol. 25, 856-859.
28. Goudswaard, P. C., Ligtvoet W., 1988. Recent developments in the fishery for haplochromines (Pisces: Cichlidae) and Nile perch, Lates niloticus (L.) (Pisces: Centropomidae) in Lake Victoria. pp. 101-112. In: CIFA, Report of the 4th Session of the Sub-committee for the Development and Management of the Fisheries of Lake Victoria. 1987 April 6-10. FAO Fish. Rep. 388, Kisumu, Kenya.
29. Goudswaard, P. C., Witte, F., 1985. Observations on Nile perch, Lates niloticus (L.) 1758, in the Tanzanian waters of Lake Victoria. pp. 62-67. In: CIFA, Report of the 3rd Session of the Sub-committee for the Development and Management of the Fisheries of Lake Victoria. 1984 October 4-5, FAO. Fish. Rep. 335, Jinja, Uganda.
30. Goudswaard, P. C., Witte, F., Chapman, L. J., 2002. Decline of the African lungfish (Protopterus aethiopicus) in Lake Victoria (East Africa). Afr. J. Ecol. 40, 42-52.
31. Goudswaard, P. C., Witte, F., Katunzi, E. F. B., 2006. The invasion of an introduced preadtor, Nile perch (Lates niloticus L.) in Lake Victoria (East Africa): chronology and causes. Environ. Biol. Fish. DOI 10.1007/s10641-006- 9180-7.
32. Goudswaard, P. C., Wanink, J. H., Witte, F., Katunzi, E. F. B., Berger, M. R., Postma, D. J., 2004. Diel vertical migration of major fish-species in Lake Victoria, East Africa. Hydrobiol. 513, 141-152.
33. Graham, M., 1929. The Victoria Nyanza and its fisheries: a report on the fishing survey of Lake Victoria (1927-1928). Crown Agents for the Colonies, London.
34. Greenwood, P. H., 1965. The cichlid fishes of Lake Nabugabo, Uganda. Bull. Br. Mus. Nat. Hist. (Zool.) 12, 315-357.
35. Greenwood, P. H., 1967. A revision of the Lake Victoria Haplochromis species (Pisces, Cichlidae), Part VI. Bul. Br. Mus. Nat. Hist. (Zool.) 15, 29-119.
36. Greenwood, P. H., 1974. The cichlid fishes of Lake Victoria, East Africa: the biology and evolution of a species flock. Bull. Br. Mus. Nat. Hist. (Zool.) Suppl. 6, 1-134.
37. Greenwood , P. H., 1981. The Haplochromine Fishes of the East African Lakes: Collected Papers on their Taxonomy, Biology and Evolution. Kraus International Publications, Munich.
38. Harrison, K., Crimmen, O., Travers, R., Maikweki, J., Mutoro, D., 1989. Balancing the scales in Lake Victoria. Biologist 36, 189-191.
39. Hecky, R. E., 1993. The eutrophication of Lake Victoria. Verh. int. Ver. Limnol. 25, 39-48.
40. Hecky, R. E., Bugenyi, F.W. B., 1992. Hydrology and chemistry of the African Great Lakes and water quality issues: Problems and solutions. Mitt. Internat. Verein. Limnol. 23, 45-54.
41. Hecky, R. E., Bugenyi, F. W. B., Ochumba, P., Talling, J. F., Mugidde, R., Gophen, M., Kaufman, L., 1994. Deoxygenation of the deep water of Lake Victoria, East Africa. Limnol. Oceanogr. 39, 1476-1481.
42. Katunzi, E. F. B., Zoutendijk, J., Goldschmidt, T., Wanink, J. H., Witte, F., 2003. Lost zooplanktivorous cichlid from Lake Victoria reappears with a new trade. Ecol. Freshw. Fish. 12, 237-240.
43. Kaufman, L., 1992. Catastrophic change in species-rich freshwater ecosystems: the lessons of Lake Victoria. BioScience 42, 846-858.
44. Kaufman, L., Ochumba, P., 1993. Evolutionary and conservation biology of cichlid fishes as revealed by faunal remnants in northern Lake Victoria. Conserv. Biol. 7, 719-730.
45. Kaufman, L., Schwarz, J., 2002. Nile perch population dynamics in Lake Victoria: implications for management and conservation. In: M. Ruth, J. Lindholm (Eds.), Dynamic Modelling for Marine Conservation, pp. 257-313. Springer-Verlag, New York.
46. Kaufman, L. S., Chapman, L. J., Chapman, C. A., 1997. Evolution in fast forward: haplochromine fishes of the Lake Victoria region. Endeavour 21, 23-30.
47. Kishe, M. A., Machiwa, J. F., 2003. Distribution of heavy metals in sediments of Mwanza Gulf of Lake Victoria, Tanzania. Environ. Int. 28, 619-625.
48. Kitchell, J. F., Schindler, D. E., Oguto-Ohwayo, R., Reinthal, P. N., 1997. The Nile perch in Lake Victoria: interaction between predation and fisheries. Ecol. Appl. 7, 653-664.
49. Kondoh, M., 2003. Foraging adaptation and the relationship between food-web complexibility and stability. Science 299, 1388-1391.
50. Kudhongania, A. W., Chitamwebwa, D. B. R., 1995. Impact of environmental change, species introductions and ecological interactions on the fish stocks of Lake Victoria. In: T. J. Pitcher, P. J. B. Hart (Eds.), The Impact of Species Changes in African Lake, pp.19-32. Chapman & Hall, London.
51. Kudhongania, A. W., Cordone, A. J., 1974a. Batho-spatial distribution patterns and biomass estimates of the major demersal fishes in Lake Victoria. Afr. J. Trop. Hydrobiol. Fish. 3, 15-31.
52. Kudhongania, A. W., Cordone, A. J., 1974b. Past trends, present stocks and possible future state of the fisheries of the Tanzania part of the Lake Victoria. Afr. J. Trop. Hydrobiol. Fish. 3, 167-181.
53. Kudhongania, A. W., Twongo, T., Ogutu-Ohwayo, R., 1992. Impact of the Nile perch on the fisheries of Lakes Victoria and Kyoga. Hydrobiol. 232, 1-10.
54. Kukowski, G., 1978. Trawling results in the Tanzanian waters of Lake Victoria by the Freshwater Fisheries Institute Nyegezi, 1973-1977. EAFFRO Report.
55. Ligtvoet, W., Mous, P. J., Mkumbo, O. C., Budeba, Y. L., Goudswaard, P. C., Katunzi, E. F. B., Temu, M. M., Wanink, J.H., Witte, F., 1995. The Lake Victoria fish stocks and fisheries. In: F. Witte, W. L. T. van Densen (Eds.), Fish Stocks and Fisheries of Lake Victoria: A Handbook for Field Observation, pp. 12-53. Samara Publishing Ltd., Cardigan, UK.
56. Ligtvoet, W., Mkumbo. O. C., 1990. Synopsis of ecological and fishery research on Nile perch (Lates niloticus) in Lake Victoria, conducted by HEST/TAFIRI. pp. 35-74. In: CIFA, Report of the 5th Session of the Sub-committee for the Development and Management of the Fisheries of Lake Victoria. Mwanza, United Republic of Tanzania, 1989 September 12-14. FAO. Fish. Rep. 430.
57. May, R. M., 1972. Will a large complex system be stable? Nature, 238, 413-414.
58. Mbabazi, D., Ogutu-Ohwayo, R., Wandera, S. B., Kizito, Y., 2004. Fish species and trophic diversity of haplochromine cichlids in the Kyoga satellite lakes (Uganda). Afr. J. Ecol. 42, 59-68.
59. McGrady-Steed, J., Harris, P. M., Morin, P. J., 1997. Biodversity regulates ecosystem predictability. Nature 390, 162-165.
60. Mkumbo, O. C., Ligtvoet, W., 1992. Changes in the diet of Nile perch, Lates niloticus (L), in the Mwanza Gulf, Lake Victoria. Hydrobiol. 232, 79-83.
61. Mugidde, R., 1993. The increase in phytoplankton primary productivity and biomass in Lake Victoria (Uganda). Ver. int. Ver. Limnol. 25, 846-849.
62. Naeem, S., Li, S., 1997. Biodiversity enhances ecosystem reliability. Nature 390, 507-509.
63. Namulemo, G., Mbabazi, D., 2002. Conservation of and trophic diversity in the Victoria and Kyoga Lake basins through protection of satellite lakes and refuge. p. 54. In: Programme and Abstracts, 3rd International Symposium on Comparing Great Lakes of the World (GLOWIII), 2002 February 18-20, Arusha, Tanzania.
64. Norberg, J., Swaney, D. P., Dushoff, J., Lin, J., Casagrandi, R., Levin, S. A., 2001. Phenotypic diversity and ecosystem functioning in changing environments: a theoretical framework. Proc. Natl. Acad. Sci. USA 98, 11376-11381.
65. Ntiba, M. J., Kudoja, W. M., Mukasa, C. T., 2001. Management issues in the Lake Victoria watershed. Lakes Reserv.: Res. Manage. 6, 211-216.
66. Ochumba, P. B. O., 1995. Limnological changes in Lake Victoria since the Nile perch introduction. In: T. J. Pitcher, P. J. B. Hart (Eds), The Impact of Species Changes in African Lakes, pp. 33-43. Chapman & Hall, London.
67. Ochumba, P. B. O., Kibaara, D. I., 1989. Observations on blue-green algal blooms in the open waters of Lake Victoria, Kenya. Afr. J. Ecol. 27, 23-34.
68. Ogutu-Ohwayo, 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.
69. Ogutu-Ohwayo, R., 1993. The effects of predation by Nile perch, Lates niloticus, on the fish of Lake Nabugabo, with suggestions for conservation of endangered endemic cichlids. Cons. Biol. 3, 701-711.
70. Ogutu-Ohwayo, R., 1995. Diversity and stability of fish stocks in Lakes Victoria, Kyoga and Nabugabo after establishment of introduced species. In: T.J. Pitcher, P. J. B. Hart (Eds.), The Impact of Species Changes in African Lakes, pp. 59-81. Chapman & Hall, London.
71. Ogutu-Ohwayo, R.,1999. Nile perch in Lake Victoria: the balance between benefits and negative impacts of aliens. In: O. T. Sanlund, P. J. Schei (Eds) Invasive Species and Biodiversity Management, pp. 47-63. Kluwer Academic Publishers, Dordrecht, the Netherlands.
72. Okemwa, E. N., 1981. Changes in the fish species composition of Nyanza Gulf of Lake Victoria. pp. 138-156. In: Proceedings of the Workshop of the Kenya Marine and Fisheries Research Institution on Aquatic Resources of Kenya, Mombasa, 13-19 1981 July 13-19. KMFRI & Ken. Nat. Ac. Adv. Arts Sci., Nairobi.
73. Okemwa, E. N., 1984. Potential fishery for Nile perch Lates niloticus Linne (Pisces: Centropomidae) in Nyanza Gulf of Lake Victoria, East Africa. Hydrobiol. 108, 121-126.
74. Ribbink, A. J., 1987. African lakes and their fishes: conservation scenarios and suggestions. Env. Biol. Fish. 19, 3-26.
75. Riedmiller, S., 1994. Lake Victoria fisheries: the Kenyan reality and environmental implications. Env. Biol. Fish. 39, 329-338.
76. Rozdilsky, I. D., Stone, L., 2001. Complexitity can enhance stability in competitive systems. Ecol. Lett. 4, 397-400.
77. Rutjes, H. A., Nieveen, Weber R. E., Witte F., van den Thillart, G. E. E. J. M., 2007. Multiple strategies of Lake Victoria cichlids to cope with lifelong hypoxia include hemoglobin switching. Am. J. Physiol. Regul. Integr. Comp. Physiol. 293, 1376-1383.
78. Scheren, P. A. G. M., Zanting, H. A., Lemmens, A. M. C., 2000. Estimation of water pollution sources in Lake Victoria, East Africa: Application and elaboration of the rapid assessment methodology. J. Env. Managem. 58, 235-248.
79. Seehausen, O., 1996. Lake Victoria Rock Cichlids: Taxonomy, Ecology, and Distribution. Verduyn Cichlids, Zevenhuizen, The Netherlands.
80. Seehausen, O., van Alphen, J. J. M., 1998. The effect of male coloration on female mate choice in closely related Lake Victoria cichlids (Haplochromis nyererei complex). Behav. Ecol. Sociobiol. 42, 1-8.
81. Seehausen, O., van Alphen, J. J. M., Witte, F., 1997a. Cichlid fish diversity threatened by eutrophication that curbs sexual selection. Science 277, 1808-1811.
82. Seehausen, O., van Alphen, J. J. M., Witte, F., 2003. Implications of eutrophication for fish vision, behavioral ecology and species coexistence. In: T. L. Crisman, L. J. Chapman, C. A. Chapman, L. S. Kaufman (Eds.), Conservation, Ecology, and Management of African Freshwaters, pp. 268-287. University Press of Florida, Florida.
83. Seehausen, O., Lippitsch, E., Bouton, N., Zwennes, H., 1998. Mbipi, the rock-dwelling cichlids of Lake Victoria: description of three new genera and fifteen new species. Icht. Expl. Freshw. 9, 129-228.
84. Seehausen, O., Witte, F., Katunzi, E. F., Smits, J., Bouton, N., 1997b. Patterns of the remnant cichlid fauna in southern Lake Victoria. Conser. Biol. 11, 890-904.
85. Turner, J. L., 1977. Changes in the size structure of cichlid populations of Lake Malawi, resulting from bottom trawling. J. Fish. Res. Board Can. 34, 232-238.
86. Turner, G. F., Tweddle, D., Makwinja, R. D., 1995. Changes in demersal cichlid communities as a result of trawling in southern Lake Malawi, In: T.J. Pitcher, P. J. B. Hart (Eds), The Impact of Species Changes in African Lakes, pp. 397-412. Chapman & Hall, London.
87. Tweddle, G.F., Magassa, J.H., 1989. Assessment of multispecies cichlid fisheries of the Southeast Armof Lake Malawi, Africa. J. Cons. int. Explor. Mer. 45, 209-222.
88. van der Meer, H. J., Bowmaker, J. K., 1995. Interspecific variation of photoreceptors in four co-existing haplochromine cichlid fishes. Brain Behav. Evol. 45, 232-240.
89. van der Meer, H. J., Anker, C. Ch., Barel, C. D. N., 1995. Ecomorphology of retinal structures in zooplanktivorous haplochromine cichlids (Pisces) from Lake Victoria. Env. Biol. Fish. 44, 115-132.
90. van Oijen, M. J. P., 1982. Ecological differentiation among the piscivorous haplochromine cichlids of Lake Victoria (East Africa). Neth. J. Zool. 32, 336-363.
91. van Oijen, M. J. P., 1991. A systematic revision of the piscivorous haplochromine Cichlidae (Pisces: Teleostei) of Lake Victoria (East Africa). Part I. Zool. Verh. Leiden 272, 1-95.
92. van Oijen, M. J. P., Witte, F., 1996. Taxonomical and ecological description of a species complex of zooplanktivorous and insectivorous cichlids from Lake Victoria. Zool.Verh. Leiden 302, 1-56.
93. Verschuren, D., Edgington, D. N., Kling, H. J., Johnson, T. C., 1998. Silica depletion in Lake Victoria: sedimentary signals at offshore stations. J. Great Lakes Res. 24, 118-130.
94. Verschuren, D., Johnson, T. C., Kling, H. J., Edgington, D. N., Leavitt, P. R., Brown, E. T., Talbot, M. R., Hecky, R. E., 2002. History and timing of human impact on Lake Victoria, East Africa. Proc. R. Soc. Lond. B 269, 289-294.
95. Vosylienà, M. Z., Kazlauskienà, N., 1999. Alterations in fish health state parameters after exposure to different stressors. Acta Zoologica Lituanica, Hydrobiologia 9, 83-94.
96. Wanink, J. H., 1991. Survival in a perturbed environment: the effects of Nile perch introduction on the zooplanktivorous fish community of Lake Victoria. In: O. Ravera (Ed.), Terrestrial and Aquatic Ecosystems: Perturbation and Recovery, pp. 269-275. Ellis Horwood Ltd., Chichester, UK.
97. Wanink, J. H., 1998. The pelagic cyprinid Rastrineobola argentea as a crucial link in the disrupted ecosystem of Lake Victoria: dwarfs and giants - African adventures. PhD Thesis Leiden University, Leiden, the Netherlands.
98. Wanink, J. H., Kashindye, J. J., 1998. Short-term variations in pelagic photosynthesis demand well-timed sampling to monitor long-termlimnological changes in Lake Victoria. Hydrobiol. 377, 177-181.
99. Wanink, J. H., Witte, F., 2000. The use of perturbation as a natural experiment: effects of predator introduction on the community structure of zooplanktivorous fish in Lake Victoria. Adv. Ecol. Res. 31, 553-570.
100. Wanink, J. H., Kashindye, J. J., Goudswaard, P. C., Witte, F., 2001. Dwelling at the oxycline: does increased stratification provide a predation refugium for the Lake Victoria sardine Rastrineobola argentea? Freshw. Biol. 46, 75-85.
101. Witte, F., 1981. Initial results of the ecological survey of the haplochromine cichlid fishes from the Mwanza Gulf of Lake Victoria, Tanzania: breeding patterns, trophic and species distribution. Neth. J. Zool. 31, 175-202.
102. Witte, F., 1984. Ecological differentiation in Lake Victoria haplochromines: comparison of cichlid species flocks in African Lakes. In: A. A. Echelle, I. Kornfield (Eds.), Evolution of Fish Species Flocks, pp. 155-167. University of Main at Orono Press, Orono.
103. Witte, F., Goudswaard, P. C., 1985. Aspects of the haplochromine fishery in southern Lake Victoria, pp. 81-88. In: CIFA, Report of the 3rd Session of the Sub-committee for the Development and Management of the Fisheries of Lake Victoria. Jinja, Uganda, 1984 Oct. 4-5. FAO Fish. Rep. 335, Jinja, Uganda.
104. Witte, F., van Oijen, M. J. P., 1995. Biology of haplochromine trophic groups. In: F. Witte, W. L. T. van Densen (Eds.), Fish Stocks and Fisheries of Lake Victoria: A Handbook for Field Observations, pp. 321-335. Samara Publishing Ltd., Cardigan, UK.
105. Witte, F., Goldschmidt, T., Wanink, J. H., 1995. Dynamics of the haplochromine cichlid fauna and other ecological changes in the Mwanza Gulf of Lake Victoria. In: T. J. Pitcher, P. J. B. Hart (Eds.), The Impact of Species Changes in African Lakes, pp. 83-110. Chapman & Hall, London.
106. Witte, F., Wanink, J. H., Goudswaard, P. C., Katunzi, E. F. B., 2005a. Daily phytoplankton intake by fish before the ecological changes in the Mwanza Gulf, Lake Victoria. In: Proceedings of Lake Victoria 2000 A New Beginning Conference. 2000 May 15-19, Jinja, Uganda, pp. 79-88. Lake Victoria Fisheries Organization, Jinja, Uganda.
107. Witte, F., Wanink, J. H., Rutjes, H. A., van der Meer, H. J., van den Thillart, G. E. E. J. M., 2005. Eutrophication and its influences on the fish fauna of Lake Victoria. In: M. Vikram Reddy (Ed.), Restoration and Management of Tropical Eutrophic Lakes, pp. 291-328. Science Publishers, Inc. Enfield (NH), USA.
108. Witte, F., Goldschmidt, T., Goudswaard, P. C., Ligtvoet, W., van Oijen, M. J. P., Wanink, J. H., 1992a. Species extinction and concomitant ecological changes in Lake Victoria. Neth. J. Zool. 42, 214-232.
109. Witte, F., Goudswaard, P. C., Katunzi, E. F. B., Mkumbo, O. C., Seehausen, O., Wanink, J. H., 1999. Lake Victoria's ecological changes and their relationships with the riparian societies. In H. Kawanabe, G.W. Coulter, A. C. Roosevelt (Eds.), Ancient Lakes: Their Cultural and Biological Diversity, pp.189-202. Kenobi Productions, Ghent, Belgium.
110. Witte, F., Goldschmidt, T., Wanink, J., van Oijen, M., Goudswaard, K., Witte-Maas, E., Bouton, N.,1992b. The destruction of an endemic species flock: quantitative data on the decline of the haplochromine cichlids of Lake Victoria. Env. Biol. Fish. 34, 1-28.
111. Witte, F., Msuku, B. S., Wanink, J. H., Seehausen, O., Katunzi, E. F. B., Goudswaard, P. C., Goldschmidt, T., 2000. Recovery of cichlid species in Lake Victoria: an examination of factors leading to differential extinction. Rev. Fish Biol. Fish. 10, 233-241.
112. Yediler, A., Jacobs, J., 1995. Synergistic effects of temperature; oxygen and water flow on the accumulation and tissue distribution of mercury in carp (Cyprinus carpio L). Chemosphere 31, 4437-4435.