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Cottonwood and Balsam Poplar | Geophysical Institute
Jan 23, 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 …
Northern Tree Habitats - Geophysical Institute
Jan 23, 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 …
Burls - Geophysical Institute
Jan 30, 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 …
Kannada pocket guide for Common Avenue trees of Karnataka
Aug 8, 2019 · But geography defines species. The team found trees like the Flame of the Forest, Indian laburnum, Pongam, the Indian coral tree widely spread in dry regions of the state, along …
The largest black spruce in Alaska | Geophysical Institute
Aug 16, 2010 · The tree leans uphill, and its trunk is 45 inches around. When I hugged it, I could barely clasp my hands together. The largest black spruce in Alaska is a lucky tree, because its …
Witches' Broom - Geophysical Institute
3 days ago · 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 on black …
Trees for a Cold Climate - Geophysical Institute
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. …
Trees as Earthquake Fault Indicators - Geophysical Institute
Jan 30, 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 …
Rock redwoods in Sutton, stone bird tracks in Denali
Feb 10, 2011 · The tree, a dawn redwood, died of unknown causes about 55 million years ago. Williams, a researcher at Franklin & Marshall College in Lancaster, Pennsylvania, studies …
The Life of A White Spruce In The Subarctic - Geophysical Institute
Dec 12, 2024 · 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 …