View Related Episode: Wild Kiger Mustangs, Hells Canyon Archaeological Dig, Fish Genetics
Gill net fishermen in the Columbia River catch chinook salmon headed for number of tributaries. Some of these stocks are far more depleted than others. Now scientists can use genetic testing to determine the tributary of origin for fish caught in the Columbia.
First Broadcast: 1992
Producer: Jim Newman
Appeared in episode: Wild Kiger Mustangs, Hells Canyon Archaeological Dig, Fish Genetics