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Planted, unplanted man-made wetlands are similar at year 15, and function as effective carbon sinks
Date:8/6/2010

tal waters, the rate of retention in the wetlands has decreased some from the early years but remains consistent, from about 35 percent to 25 percent.

"In the long term, it looks like the wetland gets less effective at retaining phosphorus. For nitrates, it's different. That retention is controlled by microbes, and they are becoming stronger every year, so we expect the removal of nitrates to level off, or maybe even get better," Mitsch said.

Perhaps the greatest value of the wetland research park, Mitsch said, is that "It teaches us a lot about how nature does things."


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Contact: William Mitsch
mitsch.1@osu.edu
Ohio State University
Source:Eurekalert

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