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The Influence of Physico-Chemical Parameters on the Zooplankton Distribution of Kussalla Reservoir, Kano State


MK Rabiu
ML Balarabe
II Indabawa

Abstract

Zooplankton studies of Kusalla Reservoir in Karaye Local Government Area of Kano State were carried out over a period of twelve months from June, 2006 to May, 2007. Alongside the physicochemical parameters of the reservoir was also determined in relation to the distribution of the zooplankton. Physico-chemical parameters showed that temperature, water depth, transparency, pH, and conductivity range between 22-28OC, 50–70 cm, 25 cm-78 cm, 6.2-7.4, 25-60 /seconds respectively, so also hardness, dissolved oxygen, biochemical oxygen demand, nitrate- nitrogen, and phosphate-phosphorus ranges between 3.3-9.9 mg/l, 7.3-8.4mg/l, 2.6- 4.4mg/l respectively. Different species of zooplanktons belonging to four (4) major classes; Cladocera (37.95 %), Copepods (26.6%) Rotifera (19.75%) and Protozoa (15.7%) were also recovered. The composition abundance and distribution of zooplankton varied with the variation in the Physico-chemical parameters of the reservoir.

Keywords; zooplankton, physico-chemical, Kusalla dam


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eISSN: 2006-6996
print ISSN: 2006-6996