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Riparian Restoration. Outline. What ’ s a watershed? Willamette Basin Past Present Our Role Project Examples. A watershed is an area that collects, stores, and releases water Collecting all water within the drainage area and channeling it into a common point.
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Outline • What’s a watershed? • Willamette Basin • Past • Present • Our Role • Project Examples
A watershed is an area that collects, stores, and releases water Collecting all water within the drainage area and channeling it into a common point. “A river is the report card for its watershed.” -Anonymous
Watersheds in Oregon Major watersheds in Oregon as defined in the 1997 Oregon Plan for Salmon and Watersheds.
THE WILLAMETTE BASIN • Geologically active zone • 12% of Oregon • 70% of Oregon’s pop • 4 million by 2050
How do we accommodate all these people without losing the qualities of the Basin?
The Nature of Waterways • Naturally dynamic • Move sediment • Floods • Topple trees • Form and reform habitats • Dynamic Equilibrium • Adapt to external change
Healthy Riparian Corridors • Supports Wildlife • Can connect wildlife corridors • Biodiversity • Provides Shade • Soil stabilization • Toxin and sediment filtration from runoff • Large Woody Debris • Riparian Vegetation helps absorb energy during flood events.