On a sunny fall morning, as he strolled to work along the Howard Temin Lakeshore Path near the Memorial Union, Jake Vander Zanden looked into the water and noticed something you don’t typically see in October: the beginnings of an algae bloom. The director of the University of Wisconsin–Madison’s Center for Limnology was both fascinated and concerned.
“That’s really unusual — even for Lake Mendota, which has a lot of algae blooms — to see significant blooms late in the season,” Vander Zanden says. “We’ve been seeing that more lately.”