Quoted: M. Jake Vander Zanden, a biologist at the University of Wisconsin, in a recent study. The same study shows that the number of invasive species in the Great Lakes rose from zero in 1810 to 160 in 1999.
Office of Strategic Communication
Quoted: M. Jake Vander Zanden, a biologist at the University of Wisconsin, in a recent study. The same study shows that the number of invasive species in the Great Lakes rose from zero in 1810 to 160 in 1999.