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  5. Page 3
Home»Posts tagged with»migration (Page 3)

Warm Oceans Helped First Human Migration From Asia to North America

By UW News Staff on Dec 19, 2020   Featured, The Arctic and Alaska Science  

Warm Oceans Helped First Human Migration From Asia to North America

New research reveals significant changes to the circulation of the North Pacific and its impact on the initial migration of humans from Asia to North America. The international study, led by the University of St. Andrews in Scotland and published Dec. 9 in Science Advances, provides a new picture of the circulation and climate of the […]

In Search of Cooler Waters, Marine Species Are Shifting Northward or Diving Deeper

By NOAA on Dec 5, 2020   At Sea, Featured, Science/Education, The Arctic and Alaska Science  

In Search of Cooler Waters, Marine Species Are Shifting Northward or Diving Deeper

The American blue economy, which are resources and services provided by the oceans, contributed about $373 billion to the economy in 2018, and fisheries play a large role in that. Climate change, however, threatens commercial and recreational fisheries; changes in water temperature can affect the environments where fish, shellfish, and other marine species live, and cause them […]

We Have been Grounded; Birds have Not

By Ned Rozell | Geophysical Institute on May 8, 2020   Featured, Science/Education, The Arctic and Alaska Science  

We Have been Grounded; Birds have Not

  It was the first weekend in May, and Alaskans were getting out. Emboldened by words from the governor to get outside, or more likely their desires to escape the house, people were driving south on the Richardson Highway from Fairbanks. At the same time, far greater numbers of beating hearts were headed the opposite […]

Not Just the Bees, First-of-Its-Kind Study Shows Neonics May Be Killing Birds Too

By Julia Conley | Common Dreams on Sep 14, 2019   Featured, Science/Education  

Not Just the Bees, First-of-Its-Kind Study Shows Neonics May Be Killing Birds Too

“It’s clear evidence these chemicals can affect populations.” Image-Scientists in Saskatchewan found that consuming small amounts of neonicotinoids led white-crowned sparrows to lose significant amounts of weight and delay migration, threatening their ability to reproduce. (Photo: Jen Goellnitz/Flickr/cc) In addition to devastating effects on bee populations and the pollination needed to feed humans and other […]

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