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The population of Pacific salmon and trout are declining rapidly not only because climate change is getting worse, but also because of 40 years of changes in their marine and freshwater environments, a new study has found.
Five different species of Pacific salmon (Steelhead, Coho Salmon, Pink Salmon, Dolly Varden and Coastal Cutthroat Trout) are all seeing drastic declines in numbers in the Keogh River, near Port Hardy on Vancouver Island.
Five different species of Pacific salmon and trout are declining because of 40 years of changes in their marine and freshwater environments
Five different species of Pacific salmon (Steelhead, Coho Salmon, Pink Salmon, Dolly Varden and Coastal Cutthroat Trout) are all seeing drastic declines
The declines in numbers are happening in the Keogh River, near Port Hardy on Vancouver Island
Researchers at Simon Fraser University's Salmon Watershed Lab found that stressors in the environments in which the fish swim and live, such as a fluctuating climate, an increase in seals and other competing salmon species are taking their toll.
Warmer water temperatures and an increase in watershed logging, are also playing a role in the decline in the populations of the five salmon species, as well as steelhead and
