6 days ago · They examined the present range of lodgepole pine and decided that the tree could survive in interior Alaska if given a chance. Lodgepole pine grows from southern California to …

May 22, 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 …

6 days ago · Witches' broom on spruce trees is caused by a rust disease (a kind of fungus disease). The rust lives on the spruce tree throughout the year. Each spring, small yellow …

May 22, 2025 · Since the hardness of the wood is related to the rate of growth, the wood inside a rapidly growing burl is softer than the wood elsewhere in the tree. Nevertheless, it is hard …

6 days ago · Red, diamond-shaped depressions in the otherwise creamy white willow wood create the curious, sometimes exotic, patterns exhibited by canes and furniture made from Alaskan …

Big waves have been created repeatedly over the years. The evidence for this can be found in "trim lines" of old forestation and can be dated by examining the tree rings of the uppermost …

Nov 27, 2024 · He has often returned to the forest floor knowing if a ball of twigs and moss within the tree contained newborn red squirrel pups. Over the years, those squirrels have taught …

6 days ago · It is 13 inches in diameter 46 feet from the ground (referred to as diameter at breast height or dbh) and is 77 feet tall. That's a fair size for a tree in interior Alaska, but the record …

May 22, 2025 · Once black spruce seed cones mature, they may remain on the tree for several years. So regardless of when a fire strikes, mature seeds are available, and many are tough …

May 1, 2025 · This consists of a spout which is a hollow tube inserted into the tree in a hole drilled about 80 cm (30 inches) from the ground and 1 cm (1/2 inch) in diameter. One centimeter in …