Freshwater Mussels
View Related Episode: Wildcat Haven, Walking History Tour of Portland, Freshwater Mussels
Dr. Jason Dunham of US Geological Survey studies the rare Western Pearl Shell mussel in Oregon's Steamboat Creek. The Pearl Shell can live for up to 200 years. They also have growth rings similar to trees, by studying these growth rings scientist can better understand how the streams ecosystem has changed, in some cases over decades. This new field of research could also help to better understand the effects of climate change and global warming.
First Broadcast: 2007
Producer: Jim Newman
Appeared in episode: Wildcat Haven, Walking History Tour of Portland, Freshwater Mussels
- 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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