Friday, September 19, 2008

only god can make a stream ...

The public will get a rare chance to see a lab that uses the Mississippi to study, and maybe save, the state's troubled waters.

By TOM MEERSMAN, Star Tribune

Last update: September 17, 2008 - 11:23 PM

"It's not trivial how you do this because you have to understand how the plants, fish, microorganisms, sediment and water that make up the entire ecosystem work and interact with each other," he said.

To study a natural system, yet one that could be controlled for experiments, scientists constructed the experimental stream in a limestone spillway used decades ago to divert river water away from St. Anthony Falls. They filled the former spillway with 5 feet of soil, seeded it with native plants and engineered a 165-foot stream.

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