FIELD: agriculture.
SUBSTANCE: hydro-biological indicators - Pantle-Buck saprobity index in modification of Sladechek is measured. At the same time the hydro-chemical parameters - the pH factor, chemical oxygen demand, dissolved oxygen level and electroconductibility are measured. The composite index is calculated by the formulas. The obtained value of the composite index is compared to the data of table 1 and according to the results the ecological state of the water reservoir is determined.
EFFECT: invention enables to accelerate the determining of the ecological state of the water reservoir by hydrochemical and hydrobiological indicators.
2 tbl, 1 ex
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