View Related Episode: Elk Babies, Quagga Mussels, Paulina Lake Lodge

In January 2007, tiny quagga mussels from Europe invaded Lake Mead, Nevada. Within months, they began fouling boat engines, docks, and the water intakes of Hoover Dam. Now quaggas are spreading across the west and Oregon is bracing for a costly invasion that threatens everything from hydropower to salmon recovery. Learn more about the threat posed by this invasive species and the prevention efforts underway to stop their spread to Oregon.

First Broadcast: 2007
Producer: Ed Jahn

Appeared in episode: Elk Babies, Quagga Mussels, Paulina Lake Lodge

Video Extra:

Oregon Clean Marina Program

100th Meridian Initiative

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Field Journal Blog
Wolves return to Oregon in packs
by Ed Jahn | 11/20/2009
It seems like just yesterday I went to eastern ORegon to report on the “potential” for wolves to return to Oregon. That was in 2006 (episode 1607). Well, there have been reports all throughout the last year of wolves showing up, with a few videos offered as proof, followed by a wolf attack on livestock [...]
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Hunting the Devil and his stairway to…..
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