THE LIFE OF A WHITE SPRUCE IN THE SUBARCTIC - GEOPHYSICAL INSTITUTE
May 15, 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 … From gi.alaska.edu
Jul 23, 2021 Probably because of chemical compounds within the tree like nootkatin that emit the pleasant odor and tint the wood yellow, Alaska yellow cedar endures like no other tree in … From gi.alaska.edu
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 … From gi.alaska.edu
Jan 6, 2011 The mummy trees of northern Ellesmere Island include a trunk of a pine tree four feet long and six inches in diameter. Each of the trees was at least 75 years old when it died. … From gi.alaska.edu
May 22, 2025 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 … From gi.alaska.edu
TREES AS EARTHQUAKE FAULT INDICATORS - GEOPHYSICAL INSTITUTE
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 … From gi.alaska.edu
MORE ON WHY TREE TRUNKS SPIRAL - GEOPHYSICAL INSTITUTE
May 22, 2025 Prevailing winds, in most of the tree-growing northern hemisphere, are from the west. Combine these factors, and the westerly wind pushing on the thicker south side of the … From gi.alaska.edu
May 1, 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 … From gi.alaska.edu
COTTONWOOD AND BALSAM POPLAR | GEOPHYSICAL INSTITUTE
May 22, 2025 While poplar may grow to 100 feet high and two feet across, cottonwood can reach to 125 feet and be much larger in diameter. Cottonwoods three feet in diameter at breast … From gi.alaska.edu
May 22, 2025 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 … From gi.alaska.edu
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