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 Initiative was followed this week with more good news about water levels. The recent…

Read More

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 frigid weather were the adult northern pike our team had been tracking as the fish…

Read More

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 frigid weather were the adult northern pike our team had been tracking as the fish…

Read More

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 northern hemisphere, had begun migrating inland from Lake Michigan, and I had come to track…

Read More

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 northern hemisphere, had begun migrating inland from Lake Michigan, and I had come to track…

Read More

About the Blog

Researchers, conservationists, and others share stories, insights and ideas about Our Changing Planet, Wildlife & Wild Spaces, and The Human Journey. More than 50,000 comments have been added to 10,000 posts. Explore the list alongside to dive deeper into some of the most popular categories of the National Geographic Society’s conversation platform Voices.

Opinions are those of the blogger and/or the blogger’s organization, and not necessarily those of the National Geographic Society. Posters of blogs and comments are required to observe National Geographic’s community rules and other terms of service.

Voices director: David Braun (dbraun@ngs.org)

Social Media