Studies of the migration of juvenile Pacific salmon in the Savushkina river (Paramushir Island, Northern Kuriles) in 2022

The purpose of the research is to form scientific basis of effective management of salmon fisheries in the Russian Far East.

Applied methods: research work was carried out in accordance with standard methods used in fisheries research.

Scientific novelty: data on qualitative and quantitative composition of juvenile Pacific salmon migrating from the Savushkina River for rearing in marine waters in May-July 2022. Based on qualitative heterogeneity of juveniles, presence of eco-temporal groups within chum salmon and coho salmon was supposed.

Result: data on timing and dynamics of seaward migration of Pacific salmon juveniles, as well as their qualitative and quantitative patterns.

Practical relevance: Results of the research would be used in forecasting of commercial catch of Pacific salmon in the Northern Kurils.

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