Wild fish spring to life in Lake Ontario, despite dams, pollution and hatchery competitors

Wild fish spring to life in Lake Ontario, despite dams, pollution and hatchery competitors

The Narwhal


It’s springtime, which means migration and spawning for many Lake Ontario fish — and a good time to share the fascinating story of how many salmon and trout came to live in this Great Lake in the first place.Dams impeded spawning migrations, pollution from lumber mills and tanneries degraded water quality and clearing forests for urbanization and agriculture warmed waters. Click here to continue reading