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Density and diversity of planktonic rotifers were assessed with respect to seasonal variations in
Nandipur canal. Sampling was done at three sites on monthly basis from October 2011 to September 2012. In
total, 28 rotifer species belonging to 10 families and 14 genera were recognized. ANOVA showed a significant
difference in population density of rotifers in different seasons. Highest (42.34±13.24 ind/ml) population density
of rotifers was in June while the lowest (12.01±6.80 ind/ml) in January. Temperature, pH, conductivity, total
hardness and turbidity reflected positive correlations with rotifers whereas there was negative correlation with
D.O and transparency. Shannon-Weaver diversity index ranged between 2.409 to 3.092 that showed high
diversity of planktonic rotifer species. Species evenness ranged from 0.99 to 0.957 that reflected even
distribution of rotifers.
MUHAMMAD EJAZ, ABDUL QAYYUM KHAN SULEHRIA, ASMA MAQBOOL, ALTAF HUSSAIN, MUHAMMAD JAMIL YOUSAF. (2016) Density and Diversity of Planktonic Rotifers in Nandipur Canal, Biologia – Journal of Biological Society of Pakistan, Volume 62 (I), Issue 1.
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