Five different species of Pacific salmon and trout are declining because of 40 years of changes in their marine and freshwater environments
The species being affected are seeing declines in numbers in the Keogh River, near Port Hardy on Vancouver Island
A fluctuating climate, increase in seals, competing salmon, warmer water temperatures and an increase in watershed logging are playing a role
Steelhead and coastal cutthroat trout populations declined by 80% and 70% between 1976 and 2015
Salmon Need Trees | Hakai Magazine hakaimagazine.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from hakaimagazine.com Daily Mail and Mail on Sunday newspapers.