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Clarity for lake researchers' water quality questions
The discovery is the first report of a virus carrying genes for sulfur oxidation.
Credit: Bill Feeny
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Scientists measure the water's transparency in Lake Mendota, Wisc.
Credit: Brett Johnson
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Underwater view of a Secchi disk, used to measure water clarity, dropping through the water column.
Credit: Adam Hinterthuer
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Scientist teaching area residents the best ways to monitor water quality in lakes.
Credit: Adam Hinterthuer
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Children learn how to measure water quality with a Secchi disk.
Credit: Grace Hong
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Algae blooms in Wisconsin's Lake Mendota are being monitored from the air and from the ground.
Credit: UW-Madison Environmental Remote Sensing Center, image processing by Jon Chipman
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