3 days ago · Paleobotanist Jack A. Wolfe of the United States Geological Survey at Menlo Park, California, has found a number of tropical rain forest fossils along the eastern Gulf of Alaska. …

3 days ago · The Klukwan giant belies the belief that trees tend to get smaller the farther north one goes. Both balsam poplar and cottonwood have value for fuel wood, pulp and lumber.

Nov 6, 2025 · Why take a chance with exotics, when native trees have proven their ability to survive? Several reasons prompt testing of foreign tree species. Human activities often create …

Nov 6, 2025 · In an earlier column , I asked if any readers could explain why the grain in trees seemed to spiral up the trunk-in a clockwise direction. That is, spiral marks in old trees crack …

Aug 16, 2010 · The Alaska champion black spruce tree stands on the campus of the University of Alaska Fairbanks. The tree lives in a mixed forest next to large white spruce trees, mature …

Nov 6, 2025 · Somehow black spruce trees seem like the jackasses of the northern forests--sort of ungainly looking, ugly little beasts that somehow can survive under conditions prohibitive to …

Sep 11, 2014 · From the solution of liquid leaves, they determined that a sugary red pigment was indeed present in red and orange aspens, but not in yellow aspens. The scientists hinted that …

Nov 6, 2025 · When one of these trees finds itself on a better site, however, it shows a remarkable change of pace. Individual tamarack growing in white spruce stands may achieve a size …

Nov 6, 2025 · A swath of dead, tilted and broken trees now makes obvious the trace of the Fairweather fault that broke in July 1958 to devastate Lituya Bay and nearby parts of …

Jul 23, 2021 · Here, in a forest a few hundred feet above a shrinking glacier, Gaglioti is felling one of the most enigmatic trees in Alaska: an Alaska yellow cedar. These trees, which can live …