“It is truly the pinch point. It is the one place where you have a large canal that connects the two,” said Jake Vander Zanden, who directs the University of Wisconsin-Madison Center for Limnology.
“It is truly the pinch point. It is the one place where you have a large canal that connects the two,” said Jake Vander Zanden, who directs the University of Wisconsin-Madison Center for Limnology.