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The Douglas squirrel harvests and hoards great quantities of Douglas-fir cones, and also consumes mature pollen cones, the inner bark, terminal shoots, and developing young needles. [13] Mature or "old-growth" Douglas-fir forest is the primary habitat of the red tree vole (Arborimus longicaudus) and the spotted owl (Strix occidentalis).
Coast Douglas-fir is the second-tallest conifer in the world (after coast redwood), and the third-tallest of all trees, (after Eucalyptus regnans).Currently, coast Douglas-fir trees 60–75 metres (197–246 ft) or more in height and 1.5–2 metres (4.9–6.6 ft) in diameter are common in old growth stands, [4] and maximum heights of 100–120 metres (330–390 ft) and diameters up to 4.5–5. ...
Anecdotal reports do exist of other Douglas fir and mountain ash trees reaching 400 to 500 feet (122 to 152 m), such as the 435 ft (133 m) "Ferguson Tree," a Eucalyptus regnans of the Watt's river, Australia in 1872, or the 415 ft (126 m) Lynn Valley Tree, a Douglas fir felled in 1902. They are often dismissed as unreliable; however, some are ...
One of the oldest Douglas fir on record at 1,020 years in age [39] [26] [40] [41] Eureka Tree Coast redwood (Sequoia sempervirens) 115.824 380.00 United States Eureka, California Note: Standing height surveyed, and tree then cut down in 1914 and measured by lumbermen. [42] [43] Nisqually Tree Douglas-fir (Pseudotsuga menziesii) 115.824 380.00
Coast Douglas-fir seed cone, from a tree grown from seed collected by David Douglas Pseudotsuga menziesii var. menziesii has attained heights of 393 feet (120* m). That was the estimated height of the tallest conifer ever well-documented, the Mineral Tree ( Mineral, Washington ), measured in 1924 by Dr. Richard E. McArdle, [ 7 ] former chief of ...
The Lynn Valley Tree was one of the tallest known Coast Douglas-fir (Pseudotsuga menziesii var. menziesii), at a measured height of 126.5 meters (415 ft). [1] It was cut down by the Tremblay Brothers, at Argyle Road in 1902 on the property of Alfred John Nye in Lynn Valley, now part of metropolitan Vancouver, B.C. In 1912, Alfred Nye told ...
Young seed cone. Rocky Mountain Douglas-fir is a large tree, typically reaching 35–45 m (115–148 ft) in height and 1 m (3 ft 3 in) in diameter, with exceptional specimens known to 67 m (220 ft) tall, and 2 m (6 ft 7 in) in diameter.
The Red Creek Fir is a large Douglas fir (Pseudotsuga menziesii) tree located in the San Juan Valley of Vancouver Island in British Columbia, Canada. By volume, it is the largest known Douglas fir tree on Earth.
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