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  1. Northern Tree Habitats | Geophysical Institute

    Oct 16, 2025 · The best lodgepole pine races are faster-growing than the local spruces and larch planted in the same area; but again, only time will tell if the advantage will remain with the …

  2. Alaska hot springs, far and wide | Geophysical Institute

    Apr 12, 2018 · The trees surrounding the Kanuti clearing are typical of the boreal forest, but Pilgrim Springs on the Seward Peninsula is home to spruce and pine trees, probably planted …

  3. Visit to an exotic tree plantation in Alaska | Geophysical Institute

    Jun 18, 2021 · But a few imported trees here stand tall, straight and perfect: Siberian larch and lodgepole pine seem to be the champions, so far. “Larch in their first 40 years will outgrow …

  4. Alaska's Gift--The Pine | Geophysical Institute

    Oct 9, 2025 · Pine incense was used in religious ceremonies by the Aztecs, the Mayas, and the Romans. Pines were mentioned in Greek mythology. Greek scholars knew a great deal about …

  5. Raven roosts shrouded in mystery | Geophysical Institute

    Mar 30, 2023 · In the 1990s, Bernd Heinrich and John and Colleen Marzluff — all then at the University of Vermont — climbed trees in Maine before sunset to watch ravens roosting in …

  6. Skinny Trees and Paleoforests - Geophysical Institute

    Jun 20, 1990 · Growth rings in fossilized trees establish the presence of changing seasons, including warm summers, in high latitudes. However, a tree growing in the long-gone warm …

  7. More on Why Tree Trunks Spiral | Geophysical Institute

    Oct 16, 2025 · In an earlier column , I asked if any readers could explain why the grain in trees seemed to spiral up the trunk-in a clockwise direction. That is, spiral marks in old trees crack …

  8. New way to spot beetle-killed spruce can help forest, wildfire …

    Jun 12, 2024 · A new machine-learning system developed at the University of Alaska Fairbanks can automatically produce detailed maps from satellite data to show locations of likely beetle …

  9. Why Lower 48 Fruit Trees Don't Do Well in Alaska | Geophysical …

    Oct 3, 2025 · Newcomers to Alaska will frequently order young pine, fruit or maple trees from their home state in the lower 48. They enthusiastically proclaim that the trees should do well here …

  10. The Smell of Christmas | Geophysical Institute

    Jun 26, 2025 · One of many Christmas pleasures is the aroma of a freshly cut tree. Both spruce and pine have it. So do cranberry fields in the morning, orange peelings, and some paint thinners.