University of Wisconsin–Madison

Year: 2018

The Surprising Connection Between Water Levels in Lakes and Mercury in Fish

FOR IMMEDIATE RELEASE: Contact cjwatras (at) wisc (dot) edu, 608-356-4892 BOULDER JUNCTION, WI – A new study has found an unexpected connection between water levels in lakes and toxic mercury levels in fish. When droughts cause water levels to drop, the levels of mercury found in fish also plummet. In extended periods of wetter weather, …

Steve Carpenter Receives 2018 Ramon Margalef Prize in Ecology

Steve Carpenter, professor emeritus of the Center for Limnology at the University of Wiscosnin-Madison, received the Ramon Margalef Prize in Ecology today at a ceremony in Barcelona. The award is given each year by the Government of Catalonia, an autonomous community in the northeastern corner of Spain, in memory of ecologist, Ramon Margalef, who was …

Forget “Needle in a Haystack.” Try Finding an Invasive Species in a Lake

When the tiny and invasive spiny water flea began appearing in University of Wisconsin–Madison researchers’ nets in 2009, scientists began to wonder how Lake Mendota, one of the most-studied lakes in the world, went from flea-free to infested seemingly overnight. Subsequent studies found the invader had persisted for years at low population densities that went …

Updated: When Will Our Lakes Freeze? Time for Annual CFL “Ice On” Pool

Note, post was originally published 11/28/16 and has been updated to include current conditions.  After a rather balmy Thanksgiving, where nighttime lows still hovered above freezing, our forecast calls for highs in the 30s (Fahrenheit) and lows in the 20s this week, which means it’s the time of year when we try to do the impossible …

“David Buoy” Wraps Up 11th Year Monitoring Lake Mendota

CFL grad student, Emily Whitaker tows David Buoy toward shore. Photo: E. Whitaker  Yesterday we caught a slight break in our string of cold, windy days and researchers here from the UW- Madison Center for Limnology and Department of Atmospheric and Oceanic Sciences were able to head out onto Lake Mendota to retrieve our invaluable …

Want to Save Our Lakes? First, Find One to Love.

The question wasn’t all that surprising – “What can we, as individuals, do to help keep the Great Lakes clean?” It came from an audience member in Shannon Hall, the large theater space at UW-Madison’s Memorial Union, and it was directed at Dan Egan, the Milwaukee Journal Sentinel reporter-turned-author who was on campus discussing his …

Good Reads – Limnology Edition: Our Researchers Pick Some of Their Favorite Science-Themed Books

We realize that we’re offering a Summer Reading List just in time for fall, but our science communication intern asked folks for some book suggestions this summer and here’s what she found:  by Sydney Widell –  With summer field season in full swing, researchers on Trout Lake Station are working literally around the clock electrofishing, …

UW-Madison Undergrads Cast a Wide Net to Catch Ecological Change on McDermott Lake

Over the course of the last four months, PhD student Holly Embke and her team of undergraduate researchers have systematically removed more than 80,000 bass and panfish from McDermott Lake in southern Iron County as part of a whole-lake experiment studying the way those species interact with the lake’s declining walleye population. But in a …