In the news: After 25 years, Lake Michigan refuge fails to nurture wild lake trout

Posted August 31st, 2010 in Fisheries, News

From the Great Lakes Echo:

Any lake trout pulled from the wild blue waters of Lake Michigan now was probably born in a government building.

That’s despite a 45-year-old, multi-million-dollar program aimed at restoring a self-sustaining, naturally reproducing population of what was formerly the Great Lakes’ top predator.

Lake trout were wiped out in most of the Great Lakes by the mid-1900s as a result of overfishing, invasive species and habitat destruction. Managers started stocking them in Lake Michigan in 1965.

After little success, a 1985 revamp of the plan focused stocking on two relatively shallow, rocky sections of Lake Michigan where fishing for the species was banned.

At least part of that overhaul has proven fruitless, according to a study published recently in the North American Journal of Fisheries Management. Read more.

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Join the Invasive Crayfish Collaborative for an exciting webinar featuring Dr. Chris Taylor from the Illinois Natural History Survey who will provide an overview of midwestern crayfish habitat requirements, feeding, reproductive biology, and life-history.Crayfishes in the Midwest occupy almost every type of aquatic and semi-aquatic habitat in the region. They function as critically important components of those ecosystems and in many cases represent a majority of invertebrate biomass. As “keystone” species, understanding their biology and roles in ecosystems is critically important. Register for the webinar at InvasiveCrayfish.org/events1 Or the link in bio.