Has climate change disrupted stratification patterns in Lake Victoria, East Africa?

African Journal of Aquatic Science

Volumn 38, Issue 3, 2013, Pages 249-253

  Marshall, B E ^a,e   Ezekiel, C N ^b   Gichuki, J ^c   Mkumbo, O C ^a   Sitoki, L ^c   Wanda, F ^d  

^a IFMP   (Uganda)

^b TANZANIA FISHERIES RESEARCH INSTITUTE   (Tanzania)

^c Kenya Marine and Freshwater Fisheries Institute   (Kenya)

^d National Fisheries Resources Research Institute   (Uganda)

^e not available   (New Zealand)

Author keywords

deoxygenation; fisheries; global warming; thermocline

Indexed keywords

EID: 84890091675     PISSN: 16085914     EISSN: None     Source Type: Journal    
DOI: 10.2989/16085914.2013.810140     Document Type: Article

References (37)

1. Albright TP, Moorhouse TG, McNabb TJ. 2004. The rise and fall of water hyacinth in Lake Victoria and the Kagera River basin. Journal of Aquatic Plant Management 42: 73-84.
2. Fish GR. 1956. Some aspects of the respiration of six species of fish from Uganda. Journal of Experimental Biology 33: 186-195.
3. Gophen M, Ochumba PBO, Kaufman LS. 1995. Some aspects of perturbation in the structure and biodiversity of the ecosystem of Lake Victoria (East Africa). Aquatic Living Resources 8: 27-41.
4. Graham M. 1929. The Victoria Nyanza and its fisheries, a report of the fisheries survey of Lake Victoria, 1927-1929. London: Crown Agents for the Colonies.
5. Hecky RE. 1993. The eutrophication of Lake Victoria. Verhandlungen Internationalen Vereinigung für Limnologie 25: 39-48.
6. Hecky RE, Bugenyi FWB, Ochumba P, Muggide R, Gophen M, Kaufman L. 1994. Deoxygenation of the deep water of Lake Victoria, East Africa. Limnology and Oceanography 39: 1476-1481.
7. Hecky RE, Mugidde R, Ramlal PS, Talbot MR, Kling GW. 2010. Multiple stressors cause rapid ecosystem change in Lake Victoria. Freshwater Biology 55(Supplement 1): 19-42.
8. Kaufman L. 1992. Catastrophic change in species-rich freshwater ecosystem of Lake Victoria. Bioscience 42: 846-858.
9. Kolding J, van Zwieten P, Mkumbo O, Silsbe G, Hecky RE. 2008. Are the Lake Victoria fisheries threatened by exploitation or eutrophication? In: Bianchi G, Skjoldal HR (eds), The ecosystem approach to fisheries. London: CAB International. pp 309-354.
10. Lorke, A, Tietze K, Halbwachs M, Wüest A. 2004. Response of Lake Kivu stratification to lava inflow and climate warming. Limnology and Oceanography 49: 778-783.
11. LVFO (Lake Victoria Fisheries Organization). 2010. Report of the 2008 Lake Victoria Frame Survey. Lake Victoria Fisheries Organization, Jinja, Uganda.
12. Marshall BE. 2012. Climate change does not explain historic changes in the pelagic ecosystem of Lake Kariba. Lakes and Reservoirs: Research and Management 17: 265-274.
13. Matsuishi T, Muhoozi L, Mkumbo OC, Budeba Y, Njiru M, Asila A, Othina A, Cowx IG. 2006. Are the exploitation pressures on the Nile perch fisheries resources of Lake Victoria a cause for concern? Fisheries Management and Ecology 13: 53-71.
14. Mkumbo OC, Nsinda P, Ezekiel CN, Cowx IG, Aeron M. 2007. Towards sustainable exploitation of Nile perch consequential to regulated fisheries in Lake Victoria. Aquatic Ecosystem Health and Management 10: 449-457.
15. Mugidde R. 1993. Changes in phytoplankton primary productivity and biomass in Lake Victoria (Uganda). Verhandlungen Internationalen Vereinigung für Limnologie 25: 846-849.
16. Njiru M, Nyamweya C, Gichuki J, Mugidde R, Mkumbo O, Witte F. 2012. Increase in anoxia in Lake Victoria and its effects on the fishery. In: Padilla P (ed.), Anoxia. Rijeka, Croatia: Intech Open Science. pp 95-128.
17. Njiru M, Nzungi P, Getabu A, Wakwabi E, Othina A, Jembe AT, Wekesa S. 2007. Are fisheries management measures in Lake Victoria successful? The case of Nile perch and Nile tilapia fishery. African Journal of Ecology 45: 315-323.
18. Ochumba PBO. 1990. Massive fish kills within the Nyanza Gulf of Lake Victoria, Kenya. Hydrobiologia 208: 93-99.
19. Ochumba PBO, Kibaara DI. 1989. Observations on blue-green algal blooms in the open waters of Lake Victoria, Kenya. African Journal of Ecology 27: 23-34.
20. 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. Environmental Biology of Fishes 27: 81-96.
21. O'Reilly CM, Alin SR, Plisnier P-D, Cohen AS, McKee BA. 2003. Climate change decreases aquatic ecosystem productivity of Lake Tanganyika, Africa. Nature 424: 766-768.
22. PRB (Population Reference Bureau). 2010 Population data sheet. New York: PRB. Available at http://www.prb.org [accessed 15 January 2013].
23. Sarvala J, Langenberg VT, Salonen K, Chitamwebwa D, Coulter GW, Huttula T, Kanyaru R, Kotilainen P, Makasa L, Mulimbwa N, Mölsä H. 2006. Fish catches from Lake Tanganyika mainly reflect changes in fishery practices, not climate. Verhandlungen Internationalen Vereinigung für Limnologie 29: 1182-1188.
24. Schofield PJ, Chapman LJ. 2000. Hypoxia tolerance of introduced Nile perch: implications for survival of indigenous fishes in the Lake Victoria basin. African Zoology 35: 35-42.
25. Sitoki L, Gichuki J, Ezekiel C, Wanda F, Mkumbo OC, Marshall BE. 2010. The environment of Lake Victoria (East Africa): current status and historical changes. International Review of Hydrobiology 95: 209-223.
26. Stager JC, Hecky RE, Grzesik D, Cumming BF, Kling H. 2009. Diatom evidence for the timing and causes of eutrophication in Lake Victoria, East Africa. Hydrobiologia 636: 463-478.
27. Talling JF. 1966. The annual cycle of stratification and phytoplankton growth in Lake Victoria (East Africa). Internationale Revue der gesampten Hydrobiologie und Hydrographie 51: 545-621.
28. Talling JF. 1969. The incidence of vertical mixing, and some biological and chemical consequences, in tropical African lakes. Verhandlungen Internationalen Vereinigung für Limnologie 17: 998-1012.
29. Talling JF, Lemoalle J. 1998. Ecological dynamics of tropical inland waters. Cambridge: Cambridge University Press.
30. UNEP (United Nations Environment Programme). 2006. Lake Victoria, Africa's largest lake. In: UNEP, Africa: atlas of our changing environment. Nairobi: UNEP. pp 48-51.
31. Verburg P, Hecky RH, Kling H. 2003. Ecological consequences of a century of warming in Lake Tanganyika. Science 301: 505-507.
32. Verschuren D, Johnson TC, Kling HJ, Edgington DN, Leavitt PR, Brown ET, Talbot MR, Hecky RE. 2002. History and timing of human impact on Lake Victoria, East Africa. Proceedings of the Royal Society, London B 269: 289-294.
33. Vollmer EK, Bootsma HA, Hecky RE, Patterson G, Halfman JD, Edmond JM, Eccles DH, Weiss RF. 2005. Deep-water warming trend in Lake Malawi, East Africa. Limnology and Oceanography 50: 727-732.
34. Wanink JH, Kashindye JJ, Goudswaard PC, Witte F. 2001. Dwelling at the oxycline: does increased stratification provide a predation refugium for the Lake Victoria sardine Rastrineobola argentea? Freshwater Biology 46: 75-85.
35. Wanink JH, 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. Advances in Ecological Research 31: 553-570.
36. Witte F, Goldschmidt T, Wanink JH, van Oijen MJP, Goudswaard PC, Witte-Maas ELM, Bouton N. 1992. The destruction of an endemic species flock: quantitative data on the decline of the haplochromine cichlids of Lake Victoria. Environmental Biology of Fishes 34: 1-28.
37. Witte F, Wanink JH, Kishe-Machumu M. 2007. Species distinction and the biodiversity crisis in Lake Victoria. Transactions of the American Fisheries Society 136: 1146-1159.