https://apnews.com/bebb24c2de74f87c6351ee6ada62549b

PORTLAND, Ore. (AP) — Low oxygen levels measured off the coast of Oregon and Washington are raising concerns of large “dead zones” that could decimate crabs and bottom-dwelling fish within them.

The National Oceanic and Atmospheric Administration said this week that researchers have detected unseasonably low oxygen levels in a large area off the Pacific coast, Oregon Public Broadcasting reported.