Trees Can Be a Stream’s Best Friend

300 400 Stroud Water Research Center

Streams with forested banks are healthier than streams without them. 

Tree-lined streams aren’t just pretty — healthy trees also make for healthier streams. How’s that, you ask?

A review of more than 200 studies about streams led Bern Sweeney, Ph.D., director and senior research scientist of Pennsylvania’s Stroud Water Research Center, to an intriguing conclusion.

“If we had 100 feet of forest on either side of any given stream, we would be able to put that stream in a much better condition to support wildlife, to be swimmable, to be fishable — but also to provide the ecosystem services that we desperately need.”

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