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Aquatic ecologist to discuss lake-ice seasonality and climate change during ‘Thursdays at the U’

| Linda Tollefsrud and Diane Walkoff

John Magnuson

Dr. John Magnuson

Dr. John Magnson will present “What Does Lake-Ice Seasonality Tell Us About Climate Change?" April 4 for UW-Eau Claire – Barron County's "Thursdays at the U" lecture and performance series. The presentation will be from noon-1 p.m. in the Blue Hills Lecture Hall (Room 234, Ritzinger Hall) on the Rice Lake campus, 1800 College Drive.

Magnuson, an aquatic ecologist and limnologist, is a professor emeritus and director emeritus at the Center for Limnology at UW-Madison — a center he helped form in 1982. He has a strong interest in seeing science used to solve real-world issues related to conservation of species, climate change and fisheries.

In Wisconsin and other states, some records of “ice on” and “ice off” on many lakes began as early as the 1850s. What do these records tell us about what is happening with our climate — even before direct temperature measurements were taken? Magnuson will discuss the changes and variability in ice cover in Wisconsin lakes from the 1850s to the present.

For more information about "Thursdays at the U," contact Dr. Linda Tollefsrud, professor emeritus of psychology, UW Colleges, at or 715-788-6216.