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Audio by title dan_sobota

HOW FORESTED RIPARIAN ZONES KEEP STREAMS HEALTHY

Categories:
program: 
Locus Focus
program date: 
Mon, 03/19/2012

For a long time we've known that streams shaded by riparian forests provide healthier habitat for salmon and other wildlife. A new study led by Daniel Sobota at Oregon State University confirms that riparian zone forests not only provide streams with needed shade to support salmon, they also help clean up high levels of nitrate pollutants from human activities that infiltrate waterways. In the study Sobota and his colleagues looked at nine streams in Oregon’s Willamette Valley that flowed through forest, agricultural or urban landscapes. Among their goals was to discover how much nitrogen was absorbed by the streams near the source, and how much went downriver.

42:06 minutes (57.82 MB)

 

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