great lakes

White Shoal Light, Lake Michigan. This lighthouse is home to one of five Great Lakes year-round evaporation-monitoring stations. Photo by Dick Moehl The announcement last week that $300 million was included in the 2014 federal spending bill for the Great Lakes Restoration Initiative was followed this week with more good news about water levels. The recent...

Botulism bacteria was blamed for the death of this loon and hundreds of others like it in northern Lake Michigan last year and in eastern Lake Ontario this year. Photo by Lisa Borre Last year, I wrote about finding the carcasses of dead loons and cormorants on the shores of a Northern Lake Michigan beach....

Evidence was found of grass carp living and breeding in the Sandusky River, Ohio. Photo credit: Peter Halasz. Scientists have confirmed for the first time that a species of the dreaded Asian carp has reproduced naturally in a Great Lakes tributary. While not the variety of Asian carp experts fear will do the most harm...

  Dr. Solomon David, Postdoctoral Research Associate Daniel P. Haerther Center for Conservation & Research, Shedd Aquarium Center for Limnology, University of Wisconsin-Madison The ice and snow of early spring in northern Wisconsin had come and gone. Also departing with the frigid weather were the adult northern pike our team had been tracking as the fish...

  Dr. Solomon David, Postdoctoral Research Associate Daniel P. Haerther Center for Conservation & Research, Shedd Aquarium Center for Limnology, University of Wisconsin-Madison The ice and snow of early spring in northern Wisconsin had come and gone. Also departing with the frigid weather were the adult northern pike our team had been tracking as the fish...

Move over, Chanel No. 5. You’ve got a new competitor: The scent of bile is driving female sea lampreys crazy, a new study says. Bile wasn’t always an alluring scent—not even to sea lampreys, a type of parasitic fish. Millions of years ago it started out as a digestive aid, breaking down the fats in lampreys’...

Move over, Chanel No. 5. You’ve got a new competitor: The scent of bile is driving female sea lampreys crazy, a new study says. Bile wasn’t always an alluring scent—not even to sea lampreys, a type of parasitic fish. Millions of years ago it started out as a digestive aid, breaking down the fats in lampreys’...

Dr. Solomon David, Postdoctoral Research Associate Daniel P. Haerther Center for Conservation & Research, Shedd Aquarium Center for Limnology, University of Wisconsin-Madison I had received word from colleagues that northern pike (Esox lucius), an apex predator in freshwaters throughout the northern hemisphere, had begun migrating inland from Lake Michigan, and I had come to track...

Dr. Solomon David, Postdoctoral Research Associate Daniel P. Haerther Center for Conservation & Research, Shedd Aquarium Center for Limnology, University of Wisconsin-Madison I had received word from colleagues that northern pike (Esox lucius), an apex predator in freshwaters throughout the northern hemisphere, had begun migrating inland from Lake Michigan, and I had come to track...

Water levels reached record lows for the month of December on Lakes Michigan and Huron. Photo by Lisa Borre.It looks like low water levels on the Great Lakes will be added to the record-breaking climate-related events of 2012. The water level on Lakes Michigan and Huron dropped another 2.5 inches (6 cm) in December, unofficially...