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2013 (Vol. 5, Issue: 11)
Article Information:

The Physico-chemistry and Plankton Diversity of Awba Reservoir University of Ibadan, Ibadan Nigeria

I.J. Anago, I.K. Esenowo and A.A.A. Ugwumba
Corresponding Author:  I.J. Anago 

Key words:  Physico-chemical parameters, Plankton, pollution and Awba reservoir, , , ,
Vol. 5 , (11): 638-644
Submitted Accepted Published
March 19, 2013 April 17, 2013 November 20, 2013

The physico-chemical parameters and plankton diversity of Awba Reservoir, University of Ibadan was sampled from April to July, 2011. Surface water samples were collected for physico-chemical parameters. Values of the physico-chemical parameters observed ranged as follows: water temperature, 24-26.5C; air temperature, 22-23. C; transparency, 0.2-0.4 m; pH, 7.3-8.4; total dissolved solids, 143.8-159.5 mg/L; conductivity, 290.8-391.5 &mumhos/cm; salinity, 0.11-0.19%; dissolved oxygen, 0.7-1.8 mg/L and alkalinity, 0.8-1.7 mg CaCO3/L. Thirty six taxa of plankton were encountered. Phytoplankton consisted of five families namely; Cyanophyceae, Chlorophyceae, Euglenophyceae, Bacillariophyceae and Dinophyceae. Three groups of zooplankton encountered were copepods, cladocerans and rotifers. The presence of pollution indicator species such as, Microcystis, Phacus, Oscillatoria, Surirella Closterium, Aphanocapsa, Anabeana and Euglena show that the Reservoir is likely polluted.
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  Cite this Reference:
I.J. Anago, I.K. Esenowo and A.A.A. Ugwumba , 2013. The Physico-chemistry and Plankton Diversity of Awba Reservoir University of Ibadan, Ibadan Nigeria.  Research Journal of Environmental and Earth Sciences, 5(11): 638-644.
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ISSN (Online):  2041-0492
ISSN (Print):   2041-0484
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