The surprising low oxygen dead zone off Oregon is just one example of how unexpected ocean shifts can harm marine ecosystems. Who knew that upwelling--the engine that drives high productivity off Oregon and elsewhere--could turn into a problem?
"These are complex systems," marine scientist Andrew Bakun says. "And when you change their basic functions, they can run away from you in ways you don't expect.
I have a feeling we haven't heard the final word on this situation.Tweet