Lake Mendota


On July 16, 2012, one of several signs posted along Lake Mendota near the Memorial Union Terrace at the University of Wisconsin-Madison warn against swimming during the presence of toxic blue-green algae in the water. Known as cyanobacteria, the algae are photosynthetic bacteria that live in colonies, typically in lakes with excess fertility. (Photo by Jeff Miller/UW-Madison)
On June 7, the summer’s first blue-green algae bloom turned much of Lake Mendota a thick, putrid green color. Researchers at the University of Wisconsin–Madison Center for Limnology concluded that several factors — including run-off from local farms, multiple days with hot temperatures, and low winds — created near-perfect conditions […]

Zebra mussels in Lake Mendota: the new kid in town


The lake has been invaded and the UW-Madison Center for Limnology (CFL) is asking for your help tracking the impact of these invaders. In a series of blog posts, CFL graduate student Jake Walsh describes how the spiny water flea – an invasive zooplankton first found in Lake Mendota in 2009 […]

Lake Mendota needs your help




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Two weeks ago, back when it still felt like real winter, I was out for a run along the Lakeshore Path. There was a noticeable film of thin ice creeping from shore and plates of frozen water clanging together in the rolling chop. But that sound was soon drowned out by […]

The return of the tundra swan