UBC researchers investigate thiamine (vitamin B1) deficiency in BC Chinook salmon for the first time
Since the 1990’s, TDC has been associated with fish and seabird declines in the Great Lakes and the Baltic Sea. In addition to direct mortality, TDC includes sublethal effects across all salmon life stages, including reduced visual acuity and feeding rates, reduced migration performance, and impaired immune response.
Environmental changes and fisheries impact Baltic fish stocks more than grey seal predation
Fishing mortality and environmental factors affect fish biomass and catches more than seal predation in the region.