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GRANTS PASS, Ore. (AP) - The return of oxygen-depleted water off the Oregon coast is a sign of a warming climate, which could have ill effect on populations of sea creatures, scientists said Monday.
It's the sixth year the water, known as a dead zone, has formed.
"It does, indeed, appear to be the new normal," said Jane Lubchenco, professor of marine biology at Oregon State University. "The fact that we are seeing six in a row now tells us that something pretty fundamental has changed about conditions off of our coast."
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