Russian scientists assessed the current state and population size of lake salmon and brown trout

Published 2023년 9월 22일

Tridge summary

During the research, juvenile Atlantic salmon and brown trout were caught and released into the Lake Onega reservoir after analysis. The study was conducted under a permit from Rosprirodnadzor and was attended by representatives from Rosrybolovstvo and the Department of Agriculture and Food Resources of the Vologda Region. Currently, scientists are in the process of analyzing the collected materials to understand the biology and population changes of these endangered species in the Lake Onega basin.

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Original content

During the research, juvenile Atlantic (lake) salmon and brown trout were caught and analyzed. After measurements and scale sampling to determine the age composition of the catches, all live specimens of salmon and brown trout were released into the reservoir. The populations of brown trout and Atlantic salmon living in the Lake Onega basin are included in the Red Book of the Russian Federation, so the research was carried out under a permit issued by Rosprirodnadzor. Representatives of the inspection of the North-Western Territorial Administration of Rosrybolovstvo and the Department of Agriculture and Food Resources of the Vologda Region were also present during the work. Now scientists are carrying out desk (laboratory) processing of the ...

Source: Fishretail