Mn Sea Grant: Superior Waves

Dr. Larry Wittmer of UMD Medical School teaches us how to stay safe and keep hypothermia from sneaking up on us.

Don Schriener, Area Supervisor of Lake Superior Fisheries Management, talks about our favorite sport fish and the challenges of managing harvestable fish stocks.

Dr. Robert Hecky, Biology Professor at UMD's Large Lake's Observatory discusses the phosphorous entering lakes and how it dictates the amount of algae growth in the lake.

LLO physics professor, Jay Austin, explains what technology can teach us about Lake Superior, after two weeks of playing with his autonomous underwater vehicle, the first underwater robot in freshwater.

Adele Yorde of the Seaway Port Authority distinguishes freighters, lakers and salties, and discusses commodities that go through the port, as well as what makes Duluth a desirable seaport.

Mike Sierszen of Duluth's EPA lab discusses marshes, bogs, swamps – the wetlands – and why they are good for the environment.

Mike Sierszen of the EPA in Duluth explains tidal action in Lake Superior and the difference between a seiche and a tide.

Dr. Norine Dobiesz of UMD's Large Lakes Observatory defines a healthy ecosystem for a large lake like Superior as one that is most stable or that changes the least.

Dr. Allen Mensinger, Associate Professor in UMD's Biology Department, fills us in on noisy fish and how some fish can talk.

Dr. Paul Glaser, of the Limnology Center on the Twin Cities campus, talks about peat bogs and his research at Red Lake.

Allison Gamble discusses Lake Superior food webs and fish diets.

UMD research associate Valerie Brady discusses stormwater runoff and ways to slow its flow into streams and lakes.

Deborah Swackhamer discusses endocrine disrupter chemicals in Minnesota waterways.

Liz Minor, Large Lakes Observatory, talks about Lake Superior's biochemistry, including 1000-year-old carbon and newer carbon that incorporates residuals from weapons testing.

Stop Aquatic Hitchhikers' PSA produced by Brian Gordon, Northwestern College.

Sea Grant's Doug Jensen talks about invasive species and managing their populations in Minnesota's waters.

Fisheries and aquaculture specialist Jeff Gunderson discusses baitfish aquaculture and fish farming in Minnesota.

Steve Colman, the director of UMD's Large Lakes Observatory, talks about what large lakes add to our understanding of past climate and ecological conditions.

Professor Jim Cotner talks about heterotrophic bacteria, how lakes develop love handles and the carbon cycle.

Jason Kish talks about Archaea in Lake Superior.