Asian Journal of Microbiology, Biotechnology & Environmental Sciences Paper

Vol 04, Issue 4, 2002; Page No.(477-482)

BIOMANIPULATION STUDY TO EVALUATE THE ROLE OF CRUSTACEAN FILTER FEEDERS IN CONTROLLING MICROCYSTIS AERUGINOSA

S. PANI AND A. WANGANEO

Abstract

Laboratory experiments were conducted to evaluate in situ effect of crustracean filter feeders in controlling cyanophycean algae Microcystis aeruginosa. During the study most of the filter feeders were found ineffective in removing the algae except Daphnia magna which has found to be effective in reducing the algal biomass. The observation recorded in the laboratory was been correlated to evaluate its effectiveness within the lake ecosystem. During the investigation it was observed that the algae can be partially controlled through biomanipulation of crustracean filter feeders under simulated conditions.

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