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Hidden Streambed Phosphorus Key to Lake Cleanup
Millions of dollars have been spent to reduce the amount of nutrient-laden soil that runs off farm fields into Dane County waterways, where it creates masses of weeds, algae and bacteria.

Why then aren’t the lakes getting cleaner? A growing body of research points to tons of fertilizer-rich muck that began piling up in stream beds long before recent conservation programs began.

A county study found that even if no additional nutrients washed off the farm fields — something nobody expects — stream bottoms by themselves for the next 60 years would ooze phosphorus into the lakes at levels exceeding the maximum now allowed under state law.



 
 


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Volunteers Scour Minnesota Lakes for Starry Stonewort - In an effort to curb the spread of starry stonewort, Minnesota’s newest aquatic invasive species, scientists at the University of Minnesota and two partner organizations put out the call to citizen volunteers who want to help save the state’s lakes — or at least learn more about icky weeds.


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