Jun 26, 2025 · Interior Alaskan forests have only six native tree species: white spruce, black spruce, quaking aspen, balsam poplar, larch (tamarack) and paper birch. Northern Canadian …

Jun 26, 2025 · A tree's age can be easily determined by counting its growth rings, as any Boy or Girl Scout knows. Annually, the tree adds new layers of wood which thicken during the …

1 day ago · I eventually found a tree with a spiral lightning mark and it followed the spiral grain exactly. One tree, of course, proves nothing. "But why should the tree spiral? More speculation …

Jun 12, 2025 · In interior Alaska and some parts of Canada, witches' broom (an abnormal outgrowth of branches of the tree resembling the sweeping end of a broom), is commonly seen …

Jun 26, 2025 · Then using tree ring dating methods, it may be possible to date earthquakes occurring before historical records were kept. The ability to identify and date very large …

Apr 1, 1993 · Back on the ground, I did a little research on why so few tree types grow naturally in the neighborhood. Winter's extreme cold easily eliminates some tree species hardy elsewhere. …

Jan 6, 2011 · An outcropping of mummified tree remains on Ellesmere Island in Canada. A melting glacier revealed the trees, which were buried by a landslide 2 to 8 million years ago.

Jun 26, 2025 · This majestic tree is one of the most commercially important species in the Interior, it is valued for the houselogs, firewood, and other products that are derived from it. In fact, it …

Jun 26, 2025 · Spruce trees planted on the islands by the Russians in 1805 are doing just fine and reseeding themselves naturally, although the total tree population hardly amounts to a forest. …

Jun 26, 2025 · Red, diamond-shaped depressions in the otherwise creamy white willow wood create the curious, sometimes exotic, patterns exhibited by canes and furniture made from …