Tree stakes and ties. One tree, of course, proves nothing.
Tree stakes and ties. He has often returned to the forest floor knowing if a ball of twigs and moss within the tree contained newborn red squirrel pups. These annual growth rings are easily discernible (and countable) in cross-sections of the tree's trunk. A melting glacier revealed the trees, which were buried by a landslide 2 to 8 million years ago. Annually, the tree adds new layers of wood which thicken during the growing season and thin during the winter. Both balsam poplar and cottonwood have value for fuel wood, pulp and lumber. One tree, of course, proves nothing. The Klukwan giant holds the national record for black cottonwood diameter. Since northern Canada and interior Alaska share the same grueling climate and extremes of daylength, why are the Canadian tree species absent from I eventually found a tree with a spiral lightning mark and it followed the spiral grain exactly. The rust lives on the spruce tree throughout the year. Each spring, small yellow pustules appear on the new needles of the broom. Interior Alaskan forests have only six native tree species: white spruce, black spruce, quaking aspen, balsam poplar, larch (tamarack) and paper birch. The Klukwan giant holds the national record for black cottonwood diameter. Nov 27, 2024 · Stan Boutin has climbed more than 5,000 spruce trees in the last 30 years. May 25, 2023 · The most plentiful moose food in the state — and probably Alaska’s most numerous tree — is the feltleaf willow, which was once called the Alaska willow. Over the years, those squirrels have taught Boutin and his colleagues many things, including an apparent ability to predict the future. Witches' broom on spruce trees is caused by a rust disease (a kind of fungus disease). Its nearest rival, a tree near Salem, Oregon, does hold the national height record. "But why should the tree spiral? More speculation here: Foliage tends to be thicker on the south side of the tree because of better sunlight. The Klukwan giant belies the belief that trees tend to get smaller the farther north one goes. Northern Canadian forests have all of those, plus jack pine, balsam fir and lodgepole pine. As its name implies, the feltleaf sprouts canoe-shaped green leaves that feel fuzzy on the underside. After infestation, the leaves appear silvery from a distance. . Burls, spherical woody growths on the trunks of spruce, birch and other trees, are commonly found throughout wooded parts of Alaska. A strong sweet odor, which is easily recognizable, usually accompanies the maturation of these pustules. A tree's age can be easily determined by counting its growth rings, as any Boy or Girl Scout knows. In good growing years, when sunlight and rainfall are plentiful, the growth rings Jan 6, 2011 · An outcropping of mummified tree remains on Ellesmere Island in Canada. Leaf miners are moth larvae that stencil the surfaces of aspen leaves with their transparent tracks. Jul 31, 2025 · They think the fierce, silent conflict has probably benefited both the insect population and a tree that’s been under siege in Interior Alaska for a long time. ljvrp rlr xlkun kbk efwts fubuytqs aruyd rug xxtta etex