Bering Sea color change has ecosystem impact

摘要

"N TOAA Fisheries scientists are investigating the changing colors 1 l of the Bering Sea and what it means for the ecosystem that supports the nation's biggest fisheries.In the summer of 1997, for the first time anyone could remember, a vast swath of the deep blue Bering Sea turned milky turquoise. That year, 190,000 seabirds died of starvation.