Dead and dying seabirds collected on the coasts of the northern Bering and southern Chukchi seas over the past six years reveal how the Arctic’s fast-changing climate is threatening the ecosystems and people who live there
FILE - In this Thursday, Jan. 7, 2016 file photo, dead common murres lie washed up on a rocky beach in Whittier, Alaska. Arctic seabirds unable to find enough food in warmer ocean waters are just one sign of the vast changes in the polar region, where the climate is being transformed faster than anywhere else on Earth. An annual report, to be released Tuesday, Dec. 13, 2022 by U.S. scientists, also documents rising Arctic temperatures and disappearing sea ice.
The seabirds are struggling because of climate-linked ecosystem shifts — which can affect the supply and the timing of available food — as well as a harmful algal bloom and a viral outbreak in the region, she said. “With climate change, the food chain is changing rapidly,” said Don Lyons, a conservation scientist at the National Audubon Society's Seabird Institute, who was not involved in the report. “Food isn’t predictable in the way it used to be, in terms of where the food is, at different times of the year."
“The sea ice extent was much lower than long-term average,” said Walt Meier, a sea ice expert at the University of Colorado Boulder and a co-author of the report.
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