Mn Sea Grant: Sea Grant Files

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.

Steve Bortone talks with Kendra Richards about safe, sustainable fisheries and Lake Superior.

Anne Cooper discusses genetically engineered fish and her Knauss Fellowship from Washington, D.C.

Jesse Schomberg, Minnesota Sea Grant, talks with Steve Bortone about climage change in Minnesota.

Chad Scott, CEO of AMI Consulting Engineers, talks with Steve Bortone about the accelerated corrosion occurring on steel in the Duluth Superior Harbor.

Melissa Berke, a UMD graduate student studying East African lakes, talks about using sediment from the floor of old lakes to reveal information about the Earth's past climate.

Barbara Liukkonen, Sea Grant's Water Resources Education Coordinator, talks about flooding and overcoming water quality challenges caused by floods with Steve Bortone.

Erik Brown, a professor with UMD's Large Lakes Observatory, discusses the carbon cycle that challenges Lake Superior's researchers and research aboard the R/V Blue Heron.

Jeff Gunderson, extension professor for the Minnesota Sea Grant College Program at UMD, will talk about the VHS virus and Lake Superior Fish.

Sea Grant's Great Lakes maritime transportation expert Dale Bergeron discusses why shipping commodities around the Great Lakes makes dollars and sense.

Dr. Nigel Wattrus, associate professor of Geological Sciences and faculty of the Large Lakes Observatory at UMD, discusses what he's finding on the floor of Lake Superior.

UMD graduate students Tyler Ahrenstorff and EJ Isaac talk with Steve Bortone about the lengths invertebrates go to avoid Lake Superior's fish.

Elaine Ruzycki, assistant scientist for the Natural Resources Research Institute at UMD and key on-the-ground scientist for LakeSuperiorStreams.org, talks about robo-researching Lake Superior Streams.