Planted, unplanted man-made wetlands are similar at year 15, and function as effective carbon sinks

A 15-year experiment in an outdoor "laboratory" shows that naturally colonizing wetlands can offer just as many, if not more, ecological services as will wetlands planted by humans. Researchers have been comparing the behavior of two experimental marshes on the campus, one that was planted in 1994 with wetland vegetation and another that was left to colonize plant and animal life on its own.

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