"Top-Down" Biomanipulations in a Small Siberian Reservoir
M .I. GLADYSHEV, S. M. CHUPROV, V. I. KOLMAKOV, O. P. DUBOVSKAYA, E. S. KRAVCHUK, E. A. IVANOVA, M. Yu. TRUSOVA, N. N. SUSHCHIK, G. S. KALACHEVA, V. G. GUBANOV, I. G. PROKOPKIN, I. V. ZUYEV, O. N. MAKHUTOVA
Abstract
In a small water body where daphniae had been absent for two years, a "top-down" manipulation was carried out by means of introducing pike and removing the main planktophage - crucian. After the bio manipulation, water blooming by the cyanobacterium Microcystis in late summer ceased. The effect observed evidently was attained due to cessation of direct stimulation of blooming by planktophagous fishes, but not by the trophic cascade. At the same time, the water blooming by An
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