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The Great Lakes Now monthly television program is produced by Detroit PBS in partnership with a network of PBS affiliates around the region. Shooting on location in eight states and Canada, the magazine-style show brings viewers stories about the recreational, economic, scientific, political and environmental issues related to the Great Lakes and drinking water.
Zebra Mussels: A guide to the good and the bad of these Great …
2020年2月28日 · A native mussel can take 3 to 5 years to mature, and they take a while to reproduce because they are parasitic. Zebra mussels mature in a year and release their larvae into the water to develop. The result is a storm of zebra mussels rapidly reproducing and spreading throughout the Great Lakes wherever the water takes them.
Can shipping on the Great Lakes take the next step toward …
2022年7月15日 · Great Lakes Now: A recent column in the industry publication The Maritime Executive said there is a renewed interest in expanding container shipments to Great Lakes ports like Cleveland and Duluth.We’re used to seeing the lake freighters that carry bulk commodities like iron ore and other industrial material. What’s prompting the interest in …
Great Lakes Fishery: The start of the industry and the fall of fish ...
2019年11月25日 · As these stocks declined, fishermen turned to other species to pursue profits. During that 20-year period, total commercial production on the Great Lakes rose from about 80 million pounds of fish to about 146 million. Desirable whitefish, sturgeon, herring and lake trout populations declined as catches of other fish rose.
30 Years Later: Mussel invasion legacy reaches far beyond Great …
2021年2月2日 · 30 years of change for the Great Lakes. After quagga mussels replaced zebra mussels, their populations peaked in about 2003 and declined slightly in shallow waters. They continue to increase slowly in deeper portions of the lakes, said Alexander Karatayev, director of the Great Lakes Center at Buffalo State College.
First in decades, a new Great Lakes freighter joins fleet
September 6, 2022. For the first time in decades, a new bulk freighter has been built on and launched on the Great Lakes. The Fincantieri Bay Shipbuilding Company in Sturgeon Bay, Wisconsin unveiled the Mark W. Barker earlier this year after spending nearly three years constructing it. The vessel was commissioned by Cleveland-based Interlake ...
Who caught the world’s largest muskie? Even the experts don’t …
2022年3月23日 · In 1957, Arthur Lawton claimed to catch a 69-pound 15-ounce muskie while fishing in the St. Lawrence River, breaking Spray’s record by just 4 ounces. Photos were taken, witnesses watched the weigh-in, and Lawton submitted his application to …
Great Lakes water levels could increase on average from 19 to 44 ...
2022年6月27日 · “The storms that caused huge amounts of infrastructure damage in Duluth back in 2017-2018 were not, by historical standards, particularly huge storms; what made them so damaging was that they occurred when lake levels were at a high stand,” said Jay Austin, professor with the University of Minnesota Duluth.
Great Lakes Education – Lessons Plans for Middle Schoolers
Great Lakes Now wants to help your students explore the Great Lakes.. That’s why we’ve designed a collection of free lesson plans that engage students with the science, math and more about the Great Lakes, largely through video segments from our award-winning PBS television program.Designed for middle-school classrooms and at-home learning, these educational activities will help students ...
Mapping the Great Lakes: Carrying cargo
2022年7月25日 · The 2021 shipping season saw 38 metric tons come through the St. Lawrence seaway and a 72% increase in general cargo shipments compared to 2020. The Great Lakes shipping industry was already a powerhouse generating $35 billion in economic activity and 200,000 jobs. Great Lakes ships are tracked and photographed regularly to the point where ...