Archive for November 2009
By Rachael Gleason
Nov. 25, 2009
Dry weather has caused water levels to drop in some inland lakes in Minnesota and Wisconsin.
Some lakes have dropped more than five feet in east central Minnesota due to a two-year dry spell, said Sandy Fecht, a hydrologist with the Minnesota Department of Natural Resources.
Certain bodies of water have dried up completely.
By Jeff Gillies
Nov. 24, 2009
Walleye swimming in Michigan’s largest watershed are 80 percent less contaminated with PCBs than they were in 1997, according to a study published recently in the Journal of Great Lakes Research.
PCBs are toxic, potentially cancer-causing chemicals that were used in electrical insulators, hydraulic equipment and some paints. The U.S. and many other countries banned PCB production in the 1970s and 1980s
PCB levels in Saginaw Bay walleye have dropped 80 percent since 1997, said study author Chuck Madenjian, a fishery biologist at the U.S. Geological Survey’s …



