Journal of Ecosystems / 2014 / Article / Tab 6

Research Article

Water Physicochemistry and Zooplankton Fauna of Aiba Reservoir Headwater Streams, Iwo, Nigeria

Table 6

Diversity indices of zooplankton fauna in Aiba Reservoir headwater streams (May 2013–March 2014).

Diversity indexOverallUpper reachesLower reachesMann-Whitney   test
value value

Aiba stream
Number of species28171990.1735
Total abundance1201414081060630.0202
Shannon, 1.6242.1961.423140.5752
Simpson, 1-0.57630.82030.5271140.5752
Equitability, 0.48740.77490.4834140.5752

Onikan stream
Number of species2562420.0131
Total abundance6974198677610.0082
Shannon, 1.6321.7351.5940.0306
Simpson, 1-0.59420.81480.580440.0306
Equitability, 0.50690.96840.500260.0656

= 12, critical value of = 5 at < 0.0.

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