FIELD: food products.
SUBSTANCE: method suggests that eggs, larvas and juveniles of different types of sturgeon fish are subjected to the influence of chemical agents of different concentration in separate containers from 9 to 60 days. Using certain mathematical expressions according to the survival ratio of fishes in the experimental conditions and data on fish reproduction in natural conditions (pass of spawners to spawning, female ration in a stock, average female fecundity, larva exit from eggs, juvenile exit from fish larvas in natural conditions, ration of commercial return from eggs, larvas, juveniles) predictable commercial return is counted in the conditions of water pollution by chemical agents, and the actual damage is determined.
EFFECT: invention allows to foresee the value of commercial return in the conditions of water pollution by chemical agents and to determine the actual damage.
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