Dead and dying seabirds collected on Alaska coasts over the past six years reveal how the Arctic’s fast-changing climate is threatening the ecosystems and people who live there, according to the annual Arctic Report Card released Tuesday.
In this Jan. 7, 2016 file photo, dead common murres lie 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. The annual Arctic Report Card, released Tuesday 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.”While seabirds naturally experience some lean years, the report documents a worrying pattern, said Lyons.
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