Month in Review: Icy waters and carp fatigue

At the end of each month, Current State  check in with Great Lakes commentator and journalist Gary Wilson for updates on environmental stories from around the basin. For this Great Lakes Month in Review, Gary focuses on ice cover and Asian carp fatigue. Wilson last spoke with Current State after the Army Corps’ study on Asian carp in the Great Lakes was released. Wilson says that carp fatigue has set in, meaning that Asian carp reports are in the news so frequently that people tend to tune it out. Great Lakes Month in Review: Ice cover, Asian carp and Federal funding by Great Lakes Echo

Landscope: Backpacks trace birds to Bahamas

Endangered Kirtland’s warblers spend the summer nesting only in certain areas of Michigan, Wisconsin and Ontario.

They winter in the Bahamas. Researchers are using tiny light sensors to track how the birds travel between those areas.

Advances in technology help researchers track the birds to get a better understanding of their migration route to the Bahamas.

Tenth day of Christmas: Alewives croaking

Editor’s Note: It’s an Echo tradition to revisit one of our favorite holiday stories: Tim Campbell’s The Twelve Days of Aquatic Invasive Species Christmas. Campbell rewrote the lyrics of the holiday tune for the Wisconsin Sea Grant in 2011.  We’re publishing a new verse on each of the actual twelve days of Christmas.  
On the tenth day of Christmas, a freighter sent to me…
Ten alewives croaking — Alewives are one of the few invasive species that foul Great Lakes beaches throughout the summer. Until the introduction of Pacific salmon, alewives died off in such great numbers that tractors were required to remove them from beaches. Salmon now do a great job controlling alewife numbers, but there are still alewife die-offs due to spawning-related stresses.