Thinking Big About Invasive Species: Q&A with Jake Vander Zanden

A recent study in the journal, Ecosystems, says that, when it comes to invasive species, it’s time to think bigger. While the movement of species from their native ranges to exotic lands is a major component of global ecosystem change, Read More …

What Lies Beneath: Sudden Invasion of a Wisconsin Lake Wasn’t So Sudden After All

In the fall of 2009, a tiny aquatic creature known as the spiny water flea showed up in a lake where it had never before been seen. At first, students in the UW-Madison undergraduate limnology class didn’t know what they Read More …

Is Lake Mendota’s Newest Invasive Species Poised to Explode?

This is what an invasion looks like. Last fall, students in a UW-Madison undergraduate limnology lab found invasive zebra mussels living in Lake Mendota for the first time. Later that year, when we pulled the Hasler Lab pier out of Read More …

New Zealand Q&A: Jake Vander Zanden Talks Dead Zones, Cows & Haka Dances

Earlier this year, Jake Vander Zanden rented his house out in Madison, packed his things, and headed with his family for a sabbatical in New Zealand.  Under the auspices of a Fulbright scholarship, Jake is at the University of Waikato, Read More …

Fish Fry Day: Daphnia Update & Perch (H2O) Purifiers?

Lake Monona is crystal clear, while Mendota stays murky and, on Wednesday, we asked you to help us monitor Lake Mendota as we wait to see if the native zooplankton, daphnia pulicaria, can rally and clear up the situation after Read More …

It’s Spring 2016! Help Us Monitor Mendota’s Clear-Water Phase

Last year at this time, we asked you to help us monitor Lake Mendota, as we worried that we’d missed its “clear-water” window. We’re happy to report that, in 2016, we’re nearing a 6 meter Secchi depth and seeing lots Read More …

Researchers Get to the Bottom (& Beyond) of Lake Mendota Invasive Species

It looks like ice-off is only a couple days away on Madison’s lakes. Before we hit the completely open water season, though, here’s a look back at some semi-frozen fieldwork from early March. Graduate student, Jake Walsh, shares his experience coring Read More …

Limnology in the Lab: Guppies Eating Swordfish, Bluegill Eating Shrimp

Down in the basement of the Water Sciences and Engineering Lab, right next door to us here at the Center for Limnology,  sits an aquatic ecosystem with one crazy food web. In the experimental habitat, four different species of fishes Read More …