Mn Sea Grant: Superior Waves

Adam Bechle, a graduate student at the University of Wisconsin, explains what he is learning about unusually high waves near Lake Superior's Apostle Islands.

Dr. Pat Schoff, research associate with UMD's Natural Resources Research Institute, discusses the possible causes of the malformations seen in some frog populations.

Doug Ricketts, research associate and marine superintendent, talks about the R/V Blue Heron's busy schedule and the science conducted on board. The Blue Heron is the UMD Large Lakes Observatory's research vessel.

National Weather Service warning coordinator meteorologist, Carol Christenson, discusses summer weather phenomena around Lake Superior.

Steve Dahl, a commercial fisherman on Minnesota's North Shore, talks about gill netting Lake Herring and the changes he's seen after 25 years of plying the waters of Lake Superior.

UMD associate professor Stephanie Guildford talks with guest host Maija Morton about research, primary production, and phosphorous in large lakes.

Minnesota Sea Grant director Jeff Gunderson discusses the possibility that lake whitefish spawned in the St. Louis River, a major Lake Superior tributary, more than a century ago and that they might do so again someday.

Lorena Rios, assistant professor of chemistry at the University of Wisconsin-Superior, talks about an ocean region where fragmented plastic accumulates, and plastic in Lake Superior.

Dr. Tom Hrabik, UMD associate professor, talks about some of the animals, including shrimplike creatures and fish, living in Lake Superior and the lake’s multiple food.

UMD grad Andrea Crouse comments on how land use and weather combine to muddy Lake Superior's streams.

National Weather Service warning coordinator meteorologist, Carol Christenson, talks about Lake Superior's warmer by the lake winters.

John Lindgren, fisheries specialist with the Minn. DNR, explains how the St. Louis River Estuary became impaired and what has been done to improve this Great Lakes Area of Concern.

Environmental consultant Connie Fortin describes how road deicers affect lakes and streams, and explains the strategic application of rock salt.

Dr. Gerald Niemi, professor of biology with the University of Minnesota, talks about habitat challenges facing birds that nest around the Great Lakes.

Gerald Ankley, a toxicologist with the EPA Laboratory in Duluth, talks about endocrine disrupting chemicals, hormone and hormone mimics that affect fish reproduction and development.

Josef Werne, associate professor at the University of Minnesota Duluth, describes how sediment cores taken from Lake Superior reflect human activities over the last 200 years.

Donn Branstrator, associate professor with the University of Minnesota Duluth, talks about how invasive zooplankters are altering some Minnesota's waters.

Professional tournament anglers care about invasive species. Sea Grant's Doug Jensen talks about how masters on the fishing circuit are stopping aquatic hitchhikers.

Minnesota Sea Grant's Marte Kitson talks about the nuanced differences in defining introduced, non-native, and invasive species, what makes them successful, and how they spread.

The world's first freshwater ballast testing facility is right here in the Duluth-Superior Harbor. Dr. Euan Reavie, Research Associate with NRRI tells us what it means for alternative treatments.