great lakes

Ice Cover Affects Lake Levels in Surprising Ways

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 ...

Asian Carp Reproducing Naturally in Great Lakes Tributary

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 ...

The Mystery of the Migrating Fishes: Swimming the Gauntlet to Green Bay

  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 Mystery of the Migrating Fishes: Swimming the Gauntlet to Green Bay

  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 ...

Why Do Blood-Sucking Fish Find Bile Sexy?

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 ...

Why Do Blood-Sucking Fish Find Bile Sexy?

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 ...

The Mystery of the Migrating Fishes: Northern Adventures in the Great Lakes

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 ...

The Mystery of the Migrating Fishes: Northern Adventures in the Great Lakes

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 ...

Lakes Michigan and Huron Fall to Record Lows

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 ...