The base of the food chain across the Great Lakes is changing in ways affecting the top of the food chain, the fish we love to catch and eat, and scientists at the Natural Resources Research Institute at the University of Minnesota Duluth are trying to find out why. The problems are different in each lake, but start with tiny plants called phytoplankton, microscopic marine algae. Read the full story by the Duluth News Tribune.
UMD scientists study phytoplankton, the base of Great Lakes food chain
