title: Biological characteristics of whitefish (Coregonus lavaretus L.) in Lake Vishtynetskoye (Kaliningrad region) in the modern period
abstract: The work is devoted to changes in the biological parameters of the freshwater form of whitefish under conditions of changing fishing intensity. During the historical period in Lake Vishtynetskoye maximum catches reached 4.5 tons in the beginning of 2000, the catch ranged from 0.1 to 2.0 tons (average 0.6 tons), this is a period of low TAC development (fluctuations from 100 to 10%, average 50%). In the period 2017-2022, catches amount to 0.6-1.0 tons (average 0.96 tons), a period of high TAC deve
journal: VESTNIK OF ASTRAKHAN STATE TECHNICAL UNIVERSITY SERIES FISHING INDUSTRY