The federal government’s restrictions on chinook salmon for recreational fishing this year are not grounded in scientific evidence and will do little to stop the decline of chinook stocks, says a University of British Columbia (UBC) fisheries scientist.

https://biv.com/article/2020/04/otta...g-restrictions

Related paper co-written by the man being cited: https://www.nrcresearchpress.com/doi...1#.Xs1kkjl7nct