U.S. Geological Survey

US To Build 3 Fish Nurseries In St. Clair RiverThree spawning reefs are planned for the southern St. Clair River in an effort to increase the number of whitefish, walleye and sturgeon.
CMU Biology Team Introduces New Screening Method To Detect Invasive SpeciesCentral Michigan University biology professor Andrew R. Mahon and a group of researchers from the U.S. Geological Survey, the University of Notre Dame and The Nature Conservancy have identified a genetic method of surveillance to detect the abundance of invasive species in water.