Feltleaf willows: Alaska’s most abundant tree
2023年5月25日 · All over Alaska, moose are sucking in new leaves like whales inhaling plankton. 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. As its name implies, the feltleaf sprouts canoe-shaped green leaves that feel fuzzy on the underside.
Visit to an exotic tree plantation in Alaska
2021年6月18日 · These exotic trees — some now 70 feet tall — are a nice legacy for the men who planted shin-high seedlings years before Woodward last visited the plot in 1981. Les Viereck, a renowned ecologist who wrote Alaska Trees and Shrubs, died in 2008.
Northern Tree Habitats - Geophysical Institute
5 天之前 · However, after seven growing seasons in Fairbanks, trees from the most northern homelands of the Dezadeash, Carmacks and Mayo areas of the Yukon are among the tallest, and the early starters from the south are now ranked at the bottom; although some of the trees from the Ft. Nelson area of British Columbia have maintained their relatively fast ...
Cottonwood and Balsam Poplar - Geophysical Institute
2024年12月19日 · Persons wishing to learn more about Alaska's trees will be interested in a low-cost but comprehensive book by Leslie A. Viereck and Elbert L. Little, Jr. entitled Alaska Trees and Shrubs. It is published by the U.S. Department of Agriculture.
The Days of the Shade Trees in Alaska | Geophysical Institute
1998年8月26日 · Interior Alaska is tough on trees. Transplanted trees from the Lower 48 give up quickly when exposed to the Interior's long, cold winter. There was a time, though, when elm trees grew in Eagle, basswoods thrived in Tok and hickories sprouted in Fairbanks.
The majesty and mystery of Alaska yellow cedar
2021年7月23日 · Here, in a forest a few hundred feet above a shrinking glacier, Gaglioti is felling one of the most enigmatic trees in Alaska: an Alaska yellow cedar. These trees, which can live longer than 1,000 years, grow on the rainy coast from the Oregon/California border through British Columbia and as far north as Prince William Sound.
Orange trees in the Alaska Range | Geophysical Institute
2020年9月3日 · Hennon wrote that the damage to trees is mostly cosmetic, and Alaska foresters have noticed that outbreaks rarely last more than a few years. × Spores of the spruce needle rust fungus on needles of white spruce trees growing off Alaska’s Denali Highway.
Why Lower 48 Fruit Trees Don't Do Well in Alaska
2024年12月19日 · The trees do just fine back there, they say. But too often, they find that after a winter or two, their trees have died in Alaska. Professor L.J. Klebesadel, writing in Agroborealis, a publication of the University of Alaska's Agricultural and Forestry Experiment Station, tells why the efforts of the would-be transplanters often fail.
Black Spruce - Geophysical Institute
2024年12月19日 · Black spruce are the climax trees on cold, poorly drained soils in Alaska and Yukon. They rarely exceed 45 feet (15 meters) in height or 9 inches (23 centimeters) in diameter. In a typical stand, the diameter of most trees is less than 5 inches, and growth is very slow. Half the trees in a 30-year-old stand may be less that 2 inches in diameter.
Tree line changes on the Kenai Peninsula | Geophysical Institute
2024年12月19日 · The changes in Kenai Peninsula trees might be due to the milder weather the peninsula, along with most of Alaska, has experienced since about 1977, when ocean-surface temperatures in the North Pacific warmed. Climatologists with the Alaska Climate Research Center report that the Homer area warmed 4.2 degrees Fahrenheit on average from 1949 to …