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Boom and Bust in the Bering Sea: The Fate of Crab and Sockeye Salmon in a Changing World. The fishing boat Pinnacle makes its way through an ice floe January 25, 2022, in the Bering Sea southwest of St. Matthew Island. The Pinnacle, which is larger than most Bering Sea fishing boats, can travel through some unconsolidated sea ice, although at a greatly reduced speed. An ice floe with pieces like this can damage buoys, increasing the risk of a lost crab pot. Image by Loren Holmes/Anchorage Daily News. United States. As the world warms, the Bering Sea tells a story of boom and bust. The sockeye ...

Boom and Bust in the Bering Sea: The Fate of Crab and Sockeye Salmon in a Warming World. The fishing boat Pinnacle makes its way through an ice floe on Tuesday, Jan. 25, 2022 in the Bering Sea southwest of St. Matthew Island. Image by Loren Holmes/Anchorage Daily News. United States. As the world warms, the Bering Sea tells a story of boom and bust. The sockeye salmon runs of Bristol Bay are to be marveled. More than 78.3 million sockeye surged home last summer, filling nets and spawning grounds. The spectacular display came as Alaska salmon runs of chum and chinook once again imploded. Meanwh...

At the end of summer, hordes of salmon fill the streams and creeks around Lake Aleknagik. They have traveled thousands of miles from the ocean. These waterways are an important part of the salmon life cycle, where adult fish come to spawn and then die. The fish aren’t the only ones hanging out in these waters. Each year, researchers from the University of Washington’s Alaska Salmon Program follow them upstream to survey the number of salmon that reach the spawning grounds.

In the summer, hordes of salmon travel thousands of miles from the ocean to fill the streams and creeks around Lake Aleknagik. These waterways are an important part of the salmon life cycle, where adult fish come to spawn and then die. Each year, researchers from the University of Washington’s Alaska Salmon Program follow them upstream to survey the number of salmon that reach these spawning grounds.

Pumped by the billions into the North Pacific, these hatchery fish are upending marine ecosystems. Second in a series.