Beavers and Salmon. Rachel Castor November 10, 2012. The Beavers. European Beaver - Castor fiber Found in Europe and Asia Unable to reproduce with C. canadensis American Beaver - Castor canadensis Found in North America Introduced into South America, become invasive
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November 10, 2012
Support structures installed along Bridge Creek to encourage increased beaver activity in the John Day River drainage of E.Oregon.
Typical reach without beaver activity
Reach with beaver dam activity - notice large riparian zone
“Recently, beaver have been discovered living in brackish water in estuarine tidal marshes, where Chinook salmon (Oncorhynchus tshawytscha) densities were five times higher in beaver ponds than in neighboring areas.” (Mapes 2009)