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Close-up view of Fraser fir foliage. Abies fraseri is a small evergreen coniferous tree typically growing between 30 and 50 ft (10 and 20 m) tall and rarely to 80 ft (20 m), with a trunk diameter of 16–20 in (41–51 cm), rarely 30 in (80 cm).
While red spruce is common throughout North America, the Fraser fir—a relative of the balsam fir—is found only in the spruce–fir stands of southern Appalachia. [5] In the second half of the 20th century, nearly all of the mature Fraser firs were killed off by the balsam woolly adelgid —a parasite introduced from Europe around 1900.
Plant Fraser fir where it will receive six to eight hours of sunlight each day. It can take partial shade and in hot climates may actually benefit from a respite from the sun’s rays in the ...
Forests of the glacial period were dominated by various spruces (Picea spp.) and jack pine; fir (Abies spp.) was abundant in some locations. With the exception of the absence of certain prairie elements, the understories of these forests were generally typical of modern spruce-fir forests within and near Canada.
Similarly, the balsam woolly adelgid was introduced from Europe in the 20th century and devastated fraser fir stands on the rainforest's mountaintops. First discovered on Mount Mitchell in 1957, it quickly spread to all fir populations. [17] Fir mortality in Appalachia rose one-hundred-sixtyfold by 1970, eventually killing two-thirds of adult ...
The southern Appalachian spruce-fir forest, though sometimes referred to as "boreal" or "Canadian," is a unique plant community endemic to a few high peaks of the Southern Appalachians. In fact, it is more akin to a high elevation cloud forest. [8] It is dominated by red spruce and Fraser fir, and coats the elevations above 5,500 feet (1,700 m).
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