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 …

Fish Fry Day: Western Mosquitofish and the Danger of Good Intentions

It’s Fish Fry Day and fish is on the menu! We’re working our way across the “Fishes of Wisconsin” poster finding morsels of info for every species of fishes found in Wisconsin. Today’s special: the Western Mosquitofish. Take a moment Read More …

CFL Blog’s Best of 2016: Recalculating the Cost of Invasive Species

As the year winds to a close, we’re taking a look back at some of the the CFL’s most popular blog posts from 2016. Here’s one originally published on March 21st about our researchers calculating the cost of a tiny Read More …

Blog Redux: Fish Ears, “Tree” Rings and a Sectioning Saw

We thought we’d dig through the archives to see what we were up to in previous Novembers. Enjoy this look at “Limno in the Lab” from four years ago! Originally posted 11/13/12 – After the spring and summer field seasons, 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 …

Notes from the Northwoods: Can Native Bugs Take Out Invasive Plants?

by AnnaKay Kruger Joe Bevington leans over the side of the boat and eyes the dense weeds in the water below us, watching green, long-feathered arms of Eurasian water milfoil move indolently with the current. The UW-Madison undergraduate wields a 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 …

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 …