Wapato Lake: A Wetland Restored, and Now a Refuge Tualatin River Public Health Tree for All Water Resources Years of Working in Partnership Pays Off at Wapato Lake National Wildlife Refuge.
Destructive Beetle Threatens Trees that Shade Our Rivers and Streams The Emerald Ash Borer has the potential to cause the local extinction of Oregon’s native ash species. Native ash makes up about 70% of the Willamette Valley forests that surround rivers and streams.