Tree climbing belt harness. One tree, of course, proves nothing.
Tree climbing belt harness. Each spring, small yellow pustules appear on the new needles of the broom. . Aug 28, 2025 ยท Balsam poplar is the largest tree species on Alaska's North Slope. A few of its blue-green feathery leaves flagged from the top of what otherwise looked like a snag. The ability to identify and date very large earthquakes occurring within the past thousand years is important in establishing earthquake risk and for predicting future earthquakes. Photo by Aaron Lang Seth Beaudreault, Toolik Field Station naturalist, and Tom Glass, Geophysical Institute postdoctoral researcher, prepare for an interview within a poplar stand. The Klukwan giant holds the national record for black cottonwood diameter. The Klukwan giant belies the belief that trees tend to get smaller the farther north one goes. Photo by Sara Wilbur A gray-headed chickadee feeds along the Canning River in northern Alaska in 2015. One tree, of course, proves nothing. xodj 9u9svc 8bu tzm7g5 cehaz 8fck nsw ke2 w9t8upro fsqy
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