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Table 3 Seasonal variation in zooplankton species diversity in the Ukkadam Lake during December 2011–November 2012

From: Impact of seasonal changes in zooplankton biodiversity in Ukkadam Lake, Coimbatore, Tamil Nadu, India, and potential future implications of climate change

Zooplankton groups Zooplankton species diversity indices (sites 1–3; average value)
Post-monsoona Summerb Pre-monsoonc Monsoond
Dec 2011 Jan 2012 Feb 2012 Mar 2012 Apr 2012 May 2012 Jun 2012 Jul 2012 Aug 2012 Sep 2012 Oct 2012 Nov 2012
Shannon (H) Rotifera 2.032 ± 0.037 2.086 ± 0.016 2.089 ± 0.014 2.052 ± 0.022
Cladocera 2.067 ± 0.027 2.102 ± 0.008 2.133 ± 0.010 2.106 ± 0.023
Copepoda 1.752 ± 0.008 1.759 ± 0.006 1.761 ± 0.005 1.740 ± 0.015
Ostracoda 1.551 ± 0.031 1.581 ± 0.007 1.585 ± 0.014 1.563 ± 0.022
Evenness Rotifera 0.848 ± 0.031 0.891 ± 0.017 0.899 ± 0.013 0.865 ± 0.019
Cladocera 0.878 ± 0.024 0.909 ± 0.007 0.938 ± 0.009 0.913 ± 0.020
Copepoda 0.961 ± 0.007 0.968 ± 0.006 0.969 ± 0.005 0.950 ± 0.014
Ostracoda 0.943 ± 0.029 0.972 ± 0.007 0.976 ± 0.013 0.955 ± 0.022
Richness Rotifera 1.217 ± 0.027 1.156 ± 0.024 1.204 ± 0.024 1.257 ± 0.016
Cladocera 1.271 ± 0.045 1.176 ± 0.030 1.234 ± 0.032 1.321 ± 0.025
Copepoda 0.789 ± 0.016 0.748 ± 0.019 0.755 ± 0.078 0.799 ± 0.011
Ostracoda 0.831 ± 0.066 0.717 ± 0.024 0.788 ± 0.038 0.891 ± 0.044
  1. aDec 2011, Jan 2012 and Feb 2012; bMar 2012, Apr 2012 and May 2012; cJun 2012, Jul 2012 and Aug 2012; dSep 2012, Oct 2012 and Nov 2012