Watch: Unbelievable Swarm of Spiny Water Fleas Invade Hasler Lab

Last Friday, my phone started “blowing up” with text messages about some sort of invasion at Hasler Lab and where, exactly, our new Go Pro camera could be found. Perhaps because I’ve recently binged-watched both seasons of Stranger Things, I Read More …

Lake Is a Rainbow: Weird, Warm Fall Makes “Three-Layer Lake Cake”

by Luke Loken Autumn is typically associated with fall colors, pumpkin spice lattes, and cool temperatures. However this year, much of the Midwest has been stuck in summer-like conditions. And these record temperatures come with unexpected consequences. Usually, as the Read More …

It’s a Jungle Down There: Zebra Mussels Transforming Depths of Lake Mendota

by Mike Spear In September 2015, a single zebra mussel about the size of a fingernail sent alarm through the Center for Limnology. (CFL). It signaled the arrival of one of the world’s most notorious invasive species in our own Read More …

Zebra Mussel Invasion in Full Swing in Lake Mendota

Somewhere along the way, someone lost a pair of Oakley sunglasses. Maybe they were blown off on a full-throttle boat ride. Or slipped from a shirt pocket while wrestling a fish on board. Whatever the cause, the sleek, black glasses Read More …

You’re Not Seeing Mayflies Around Town – Those Are Midges

As I jumped on my bike and left the Lowell Elementary playground after dropping my kids off yesterday morning, I overheard a conversation between two parents that I hear pretty consistently this time of year. It went something like this: 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 …

Lake Mendota’s Spring Thaw Ties for 2nd Earliest on Record

Yesterday morning I brought breakfast to my daughters at our dining room table, glanced out the window and did a double take. The waters of Lake Monona were a churning mass of brownish bluish green. What had only the night Read More …

Blog Redux: What Less Lake Ice Means for Ecology, Economy and Ourselves

NOTE: This post originally ran on January 17, 2012. In the four of the five years since this post, Lake Mendota has frozen over well after its “median” freeze date, and in three of the five years it has thawed Read More …