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Winter water: What happens under the ice?
How does stream life survive in cold weather and low water temperatures? And what happens on lakes and rivers with complete ice cover at the water surface?
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Creature Feature: St. Croix River ‘blobs’ are colonies of unique animals
Bryozoans can form gelatinous balls containing thousands of tiny organisms.
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Scientists study St. Croix mussels in race to solve die-off epidemic
Biologists alarmed about mass mussel deaths across the country look to the healthy St. Croix to help figure out what’s happening.
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Flexing Mussels, Part 3: A morning with the winged mapleleaf moms
Scientists try to help a species in danger of extinction, supporting reproduction with hopes to someday restore the mussels in the St. Croix and other rivers.
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Flexing Mussels, Part 2: Searching for St. Croix River spectaclecase
Elusive and endangered species finds refuge in rocky reaches, where biologists seek answers to guide protection.
