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Distribution and ecology of euglenoids in certain lakes of Tumakuru District, Karnataka, India

Author Affiliations

  • 1Dept. of Botany, Government First Grade College of Arts, Science & Commerce, Sira, Karnataka, India
  • 2Dept. of Biotechnology, Azyme Biosciences Pvt. Ltd. Bengaluru, Karnataka, India

Int. Res. J. Biological Sci., Volume 8, Issue (6), Pages 12-17, June,10 (2019)


Distribution and ecology of euglenoids in relation to physico-chemical characteristics of water in four lakes of Tumakuru district was studied during 2015-17 and discussed. Euglenoids function as indicators of aquatic superiority. Composite samples were taken at two feats depth from surface level on monthly basis for the enumeration of euglenoids. A total of ten species under three genera were identified. Guluru lake harboured 46.66% followed by Colony and Teeta lakes 20% each and Bugudanahalli lake with 13.33%. Seasonally all the lakes recorded maximum density of euglenoids during summer except in Colony lake, where they reached their peak during rainy season. Euglenoids showed significant positive correlation with water temperature (r=0.664:P<0.05), Sulphate (r=0.757:P<0.05) and Silica (r=0.775:P<0.05) at 5% level. Euglenoids established negative correlation with dissolved oxygen and ammonical nitrogen.


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