Diversity of Phytoplankton in Ayyanakere Lake, Chikmagalur District, Karnataka
Keywords:
Diversity, Phytoplankton , Physico-Chemical Parameters, Ayyanakere LakeAbstract
In the present study, phytoplankton belonging to 40 species under 27 genera was recorded from Ayyanakere lake, Chikmagalur, Karnataka during the period from April 2008 to March 2009. Results revealed that, Zygnemophyceae was found to be the dominant group of phytoplankton (25.0 %) followed by Chlorophyceae and Bacillariophyceae with 22.5 % and 20.0 % respectively and Euglenophyceae with 15%. Ayyanakere lake is found to be rich in phytoplankton diversity and hence productive. Physico-chemical factors were found to be the important factors influencing the growth of phytoplankton. The lake is said to be moderately oligotrophic.
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