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The number of red fish will find out scientists in Kamchatka
In the Kamchatka region, monitoring of the stock of Pacific salmon began. Scientists will check how many producers of salmon will approach spawning grounds.
In the Kamchatka branch of the Institute of Fisheries (KamchatNIRO) they said that sonar uses automatic acoustic monitoring systems and analog sound imagers to count individuals.
The obtained data will be used in making decisions on the regulation of the fishery.