Chinook salmon in decline, worsened by Bering Sea heatwave a decade ago: study

Chinook salmon in decline, worsened by Bering Sea heatwave a decade ago: study

Yukon River Chinook salmon numbers have been in a decline for decades, and a new study from the National Oceanic Atmospheric Administration (NOAA) says a warming of the Bering Sea — where these salmon spend most of their lives — hit their population hard.