Given half a chance, salmon can not only survive, but thrive. Fortunately or unfortunately for them, they now depend on us for that chance.
Kenneth Balcomb, senior scientist at the Center for Whale Research Friday Harbor, Washington, explains the connection between the Southern Resident killer whales (orcas) and chinook salmon.
Because of a sharp decline in their numbers, the entire salmon fishing season in the ocean off California and Oregon was canceled in both 2008 and 2009. Quest looks at efforts to protect the coho in Northern California and explores the important role salmon play in the native ecosystem.