Great Lakes
Invasive mussels clear the water and coat the wrecks at Thunder Bay National Marine Sanctuary
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Lake Huron is now the clearest Great Lake, dethroning Superior from the top spot while shedding new light on shipwrecks in Thunder Bay.
feral swine
Feral swine decreasing but still pose threat
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The number of feral swine in the state is declining, but there’s still concern about their transmitting diseases to domestic pigs — threatening a $500-million-a-year industry — and to people, as well as damage to vegetation.
Land
New York winning the battle against giant hogweed
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Giant hogweed, a plant that grows up to 14 feet tall and can burn and scar people, is on its way out in the state of New York.
Wildlife
Harmful algae could kill invasive mussels
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A new idea to manage the spread of non-native mussels: kill them with another Great Lakes headache, the algae that sometimes blooms too much and threatens water quality.
Land
Fighting invasive species on one island led to plan for all
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Michigan researchers recently created a series of steps to show people how to rid Great Lakes islands of plants and animals that invade their ecosystems.
bees
New non-native bee discovered in Illinois, Minnesota
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Scientists have found a new species of non-native wild bee in Illinois and Minnesota.
Wildlife
Invasive mussels challenge commercial whitefish fishing in the Great Lakes
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The spread of invasive quagga and zebra mussels in the Great Lakes has altered the ecology of lakes, including disrupting the food web in the lakes. Commercial whitefish fishers are facing challenges in their industry that may be the result of changes to the food web brought about by the presence of the invasive mussels.
Alewives
Former Michigan conservation director recounts “spectacular” fish story
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Howard Tanner’s revolutionary decision 50 years ago dramatically changed the ecology of the Great Lakes.
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Alarm cues and fish sorters are new weapons in lamprey fight
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Multiple methods needed to control destructive Great Lakes invader.
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Red swamp crayfish could be next Great Lakes invasive
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A new study predicts where the red swamp crayfish could next pop up on the Great Lakes. That could help state agencies prevent the spread of the fast reproducing invader that alters entire ecosystems.