Deepa N.Barki, Pradeepkumar Singa
The present work has been carried out in pre-monsoon and post-monsoon from December 2013 to May 2014 to determine the trophic State of five lakes of Haveri town using Carlson Trophic State Index (CTSI) which uses minimum data like Secchi Disk Depth (SDD),Chlorophyll-a (Chlo-a) and Total Phosphorous (TP) and provides information of these data in a single number. The CTSI value ranges from 0 to 100, the higher the score the higher will be the productivity. The present study reveals that Akkamahadevi (AK), Neharuhalankere (NHK) and Heggere(HG) lakes are moderately eutrophic followed by Dundibasaweshwar (DB) and Mullankere (MK) lakes are highly eutrophic because of discharge of untreated sewage.
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