Biological characteristics for the spawners of chum salmon Oncorhynchus keta caught in the Indigirka River in 2023

Abstract

The main biological parameters of chum salmon Oncorhynchus keta are presented for the spawners caught during the research expedition conducted to the lower reaches of Indigirka in August-September 2023. The data for prediction the volume of chum salmon catch in the Indigirka River are provided, including the registered volumes of annual landing in recent years. Features of the chum salmon fishery organization in the lower reaches of Indigirka are discussed.

Keywords

• indigirka river
• republic of sakha (yakutia)
• chum salmon
• spawner
• seine fishing
• biological parameter