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Home» (Page 4)

Sockeye Carcasses Tossed on Shore over Two Decades Spur Tree Growth

By Michelle Ma | University of Washington on Oct 26, 2018   Featured, The Arctic and Alaska Science  

Sockeye Carcasses Tossed on Shore over Two Decades Spur Tree Growth

Hansen Creek, a small stream in southwest Alaska, is hard to pick out on a map. It’s just over a mile long and about 4 inches deep. Crossing from one bank to the other takes about five big steps. Yet this stream is home to one of the most dense sockeye salmon runs in Alaska’s […]

UW: Past Warm Period Polar Bear Strategy won’t Suffice this Time

By Michelle Ma | University of Washington on Oct 9, 2018   The Arctic and Alaska Science  

UW: Past Warm Period Polar Bear Strategy won’t Suffice this Time

Polar bears likely survived past warm periods in the Arctic, when sea ice cover was low, by scavenging on the carcasses of stranded large whales. This food source sustained the bears when they were largely restricted to land, unable to roam the ice in search of seals to hunt. A new study led by the University of […]

Largest Chinook Salmon Disappearing from West Coast

By Michelle Ma | University of Washington on Feb 27, 2018   At Sea, Featured  

Largest Chinook Salmon Disappearing from West Coast

The largest and oldest Chinook salmon — fish also known as “kings” and prized for their exceptional size — have mostly disappeared along the West Coast. That’s the main finding of a new University of Washington-led study published Feb. 27 in the journal Fish and Fisheries. The researchers analyzed nearly 40 years of data from hatchery and […]

Beluga Whales Dive Deeper, Longer to Find Food in Arctic

By Michelle Ma | University of Washington on Feb 21, 2018   Featured, Science/Education, The Arctic and Alaska Science  

Beluga Whales Dive Deeper, Longer to Find Food in Arctic

Reductions in sea ice in the Arctic have a clear impact on animals such as polar bears that rely on frozen surfaces for feeding, mating and migrating. But sea ice loss is changing Arctic habitat and affecting other species in more indirect ways, new research finds. Beluga whales that spend summers feeding in the Arctic […]

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