Clip: Season 26 Episode 2608 | 10m 22s
Oregon's Marine Reserves are now a few years old. Fishing is banned in them. Scientists are using SMURFS, drifters, satellites and controlled fishing to determine if they have an impact. The ambitious plans to save entire ecosystems in the ocean may take many years to have an effect.
Aired: 02/19/15Video has closed captioning.