References

APHA, 1998. Standard Methods for the Examination of Waters and Wastewaters. 19th Edn., American Public Health Association, Washington, DC., pp: 4800.

Aboul-Ela, I.A. and M.T. Khali, 1989. Ecological studies on the plankton and benthos of Wadi elrayan, a new lake in Egypt. Trop. Freshwater Biol., 2: 101-111.

Adefemi, O.S., S.S. Asaolu and O. Olaofe, 2007. Assessment of the physico-chemical status of water samples from major dams in ekiti state, Nigeria. Pak. J. Nutr., 6: 657-659.
CrossRef  |  Direct Link  |  

Akin-Oriola, G.A., 2003. Zooplankton association and environmental factors in ogunpa and ona rivers, Nigeria. Rev. Biol. Trop., 51: 391-398.
Direct Link  |  

Akoma, O.C., 2008. Phytoplankton and nutrient dynamics of a tropical estuarine system, Imo River Estuary, Nigeria. Afr. Res. Rev., 2: 253-264.
CrossRef  |  Direct Link  |  

Akpan, A.W., 1995. Limnology and net plankton periodicity of a tropical freshwater pond in Uyo (Nigeria). Trop. Freshwater Biol., 4: 65-81.

Akpata, T.V.I., J.A. Oyenekan and D.I. Nwankwo, 1993. Impacts of organic pollution on the bacterial, plankton and benthic populations of Lagos Lagoon, Nigeria. Int. J. Ecol. Environ. Sci., 19: 73-82.

Ayodele, H.A. and I.F. Adeniyi, 2006. The zooplankton fauna of six impoundments on river osun Southwest Nigeria. Zoologist, 1: 49-67.

Begg, G.W., 1976. The relationship between the diurnal movement of some zooplankton and the sardine Limnothrissa moidon in Lake Kariba, Rhodesia. Limnol. Oceanography, 21: 529-530.

Boney, A.D., 1983. Phytoplanktons. Edward Arnold Company, London, UK.

Burgis, M.J., J.P.E.C. Darlington, I.G. Dunn, G.G. Graf, J.J. Gwahaba and L.M. McGowan, 1973. The biomass and distribution of organisms in Lake George, Uganda. Proc. Royal Soc. Lond. Series B Biol. Sci., 184: 271-298.
Direct Link  |  

Chindah, A.C. and J. Pudo, 1991. A preliminary checklist of algae found in plankton of Bonny River in Niger Delta, Nigeria. Fragmenta Floristica et Geobotanica, 36: 112-126.
Direct Link  |  

Chindah, A.C., 1998. The effect of industrial activities on the periphyton community at the upper reaches of New Calabar river, Niger delta, Nigeria. Water Res., 32: 1137-1143.
CrossRef  |  Direct Link  |  

Dart, R.K. and R.J. Stretton, 1980. Microbiological Aspects of Pollution Control. Elsevier Scientific Publisher, Amsterdam, pp: 265.

Davies, O.A. and B.B. Otene, 2009. Zooplankton community of minichinda stream port-harcourt, rivers state, Nigeria. Eur. J. Sci. Res., 6: 490-498.
Direct Link  |  

Egborge, A.B.M., 1972. A preliminary checklist of the zooplankton organisms of river oshun in the western state of Nigeria. Nig. J. Sci., 6: 67-71.

Egborge, A.B.M., 1972. The sulphate content of a Nigerian river. Arch. Hydrobiol., 70: 67-71.

Egborge, A.B.M., 1994. Water Pollution in Nigeria: Biodiversity and Chemistry of Warri River. Ben Miller Books Nigeria Ltd., Warri, Nigeria .

Egborge, B.M., 1981. The composition, seasonal variation and distribution of zooplankton in Lake Asejire, Nigeria. Rev. Zool. Afr., 95: 136-180.

Ellis, K.M., D.G. Bowers and S.E. Jones, 2004. A study of the temporal variability in particle size in a high-energy regime. Estuar. Coast. Shelf Sci., 61: 311-315.
CrossRef  |  

Erondu, E.S. and A.C. Chindah, 1991. Variations in the physico-chemical features and phytoplankton of the New calabar river at Aluu. rivers state, Nigeria. Niomr Technical Paper No. 75, pp: 1-18. http://www.oceandocs.org/bitstream/1834/2441/1/NIOMR%20TP-75-.pdf.

Evans, B.F., C.R. Townsend and T.A. Crowl, 1993. Distribution and abundance of coarse woody debris in some Southern New Zealand Streams from consisting forest catchments. New Zeal. J. Marine Freshwater Res., 27: 227-239.
CrossRef  |  

Fafioye, O.O. and G.A.K. Omoyinmi, 2006. The rotifer of Omi river, Ago-Iwoye, Nigeria. Afr. J. Agric. Res., 1: 186-188.

Gibbons, W.M. and H.W. Funk, 1982. Seasonal patterns in the zooplankton community of an eutropic lake in Eastern Washington prior to multiphased restoration. J. Freshwater Ecol., 1: 615-628.

Goldman, C.R. and A.J. Horne, 1983. Limnology. McGraw Hill Book Co., New York, Pages: 464.

Holden, M.J. and J. Green, 1960. The hydrology and plankton of the river Sokoto. J. Anim. Ecol., 29: 65-84.
Direct Link  |  

Idowu, E.O., 2007. Aspects of the biology of the African pike, Hepsetus odoe (Osteichthyes, Hepsetidae) in ado ekiti reservoir. Ph.D. Thesis, University of Ibadan.

Imevbore, A.M.A., 1965. A preliminary checklist of the planktonic organism of the Eleiyele Reservoir, Ibadan, Nigeria. J. West Afr. Sci. Assoc., 10: 156-160.

Jeje, C.Y. and C.H. Fernando, 1992. Zooplankton associations in the middle Niger-sokoto basin (Nigeria: West Africa). Int. Revue der Gesamten Hydrobiol. Hydrographie, 77: 237-253.
CrossRef  |  Direct Link  |  

Jeje, C.Y., 1986. The influence of nutrient enrichment on plankton and fish production in ponds. Ph.D. Thesis, University of Ibadan.

Kadiri, M.O., 1999. A comprehensive preliminary checklist of the algae of the ikpoba reservoir, Edo state, Nigeria. Global J. Pure Applied Sci., 5: 485-491.

Kadiri, M.O., 1999. A spatial profile of the Lower river Niger, Nigeria. Acta Hydrobiol., 41: 247-258.

Kadiri, M.O., 2000. Limnological studies of two contrasting but closely linked springs in Nigeria, West Africa. Plant Biosyst., 134: 123-131.
CrossRef  |  

Kadiri, M.O., 2002. A checklist of desmids in Nigeria. Global J. Pure Applied Sci., 8: 223-237.
Direct Link  |  

Mason, C.F., 1991. Biology of Freshwater Pollution. Longman Scientific Technical, New York, USA., pp: 350.

Meyer, M.A. and S.W. Effler, 1980. Changes in the zooplankton of onondaga lake (NY) (1969-1978). Environ. Poll. Series A Ecol. Biol., 23: 131-152.
CrossRef  |  

Munawar, M., 1972. Ecological studies of euglenoids in certain polluted and unpolluted environments. Hydrobiologia, 39: 307-320.
Direct Link  |  

Needham, J.G. and P.R. Needham, 1975. A Guide to the Study of Freshwater Biology. 5th Edn., Holden Day Publisher, San Francisco.

Nkechinyere, O.N. and N.A. Domrufus, 2006. Limnological studies on nike lake enugu, enugu state�The metaphyton and some physicochemical aspects. Nig. J. Bot., 19: 396-404.

Nwadiaro, C.C. and E.O. Ezefili, 1985. A preliminary checklist of the phytoplankton of New Calabar River, Lower Niger Delta. Hydrobiol. Bull., 19: 133-138.
CrossRef  |  Direct Link  |  

Nwankwo, D.I. and A. Akinsoji, 1988. Periphyton algae of a eutrophic creek and their possible use as indicator. Nig. J. Bot., 1: 96-105.

Nwankwo, D.I., 1986. Phytoplankton of a sewage disposal site in Lagos Lagoon, Nigeria I. algae. J. Biol. Sci., 1: 89-96.

Nwankwo, D.I., 1994. Hydrochemical properties and Bottom dwelling diatoms of a Lagos sewage disposal site. Pol. Arch. Hydrobiologia, 41: 35-47.

Nwankwo, D.I., 1995. Euglenoids of some polluted stormwater channels in Lagos, Nigeria. Trop. Freshwater Biol., 4: 29-39.
Direct Link  |  

Nwankwo, D.I., 2004. A Practical Guide to the Study of Algae. JAS Publishers, Lagos, Nigeria.

Oben, B.O., 2000. Limnological assessment of the impact of agricultural and domestic effluents of three man-made lakes in Ibadan., Nigeria. Ph.D. Thesis, University of Ibadan.

Oso, J.A. and O. Fagbuaro, 2008. An assessment of the physico-chemical properties of a tropical reservoir, Southwestern, Nigeria. J. Fish. Int., 3: 42-45.
Direct Link  |  

Petersen, R.C. and K.W. Cummin, 1974. Leave processing in wood land stream. Freshwater Biol., 4: 345-368.

Saint-Jean, L., 1983. The Zooplankton. In: Lake Chad Ecology and Productivity of a Shallow Tropical Ecosystem, Carmouze, J.P., J.R. Durand and C. Leveque (Eds.). Junk Publisher, The Hague, Netherlands, pp: 199-232.

Sawyer, C.N., 1966. Basic concept of eutropication. J. Water Poll. Control Federal., 38: 727-744.
Direct Link  |  

Sendacz, S., 1984. A study of the zooplankton community of billings reservoir, Sao-Paulo. Hydrobiologia, 113: 121-127.
Direct Link  |  

Tassaduqe, K., A. Muhammad, S. Abdus, L. Muhammad and Z. Tasveer, 2003. Study of the seasonal variations in the physico chemical and biological aspects of Indus River Pakistan. Pak. J. Biol. Sci., 6: 1795-1801.
CrossRef  |  Direct Link  |  

Tawari, C.C., J.F.N. Abowei and O.A. Davies, 2008. Phytoplankton in the lower Sombreiro river, Niger delta, Nigeria. Res. Biol. Sci., 3: 1430-1436.
Direct Link  |  

Ugwumba, A.O. and A.A. Ugwumba, 1993. A study of the physico-chemical hydrology and plankton of Awba Lake in Ibadan, Nigeria. Fish Acad. Commun., 1: 20-39.

Wetzel, R.G., 1983. Limnology. 2nd Edn., Saunders College Publishing, Philadelphia, ISBN: 0-7216-9240-0.

Whitford, L.A. and G.H. Schumacher, 1973. A Manual of Freshwater Algae. Sparks Press Raeigh, USA.

Whitton, B.A. and M. Potts., 2000. The ecology of Cyanobacteria: Their Diversity in Time and Space. Kluwer Academic Publishers, Dordrecht, The Netherlands, Pages: 668.

Yakubu, A.F., F.D. Sikoki, J.F.N. Abowei and S.A. Hart, 2000. A comparative study of phytoplankton communities of some rivers, creeks and burrow pits in the Niger Delta Area. J. Applied Sci. Environ. Manage., 4: 41-46.