Bering Sea heat wave cited as trigger for nosedive in Yukon River Chinook salmon

A marine heat wave in the Bering Sea since 2016 has led to the lowest winter sea ice levels in 150 years, causing die-offs among birds and marine mammals, shifts in fish populations, and a collapse in snow crab stocks. Recent research links these conditions to a significant drop in Chinook salmon in the Yukon River. This event underscores the broader ecological impact of climate change and highlights the urgent need for conservation efforts to protect these vital ecosystems.