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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. ...
Rocky Mountain Douglas-fir grows more slowly than coast Douglas-fir and is also much more cold tolerant. Tolerance of different environmental conditions varies among populations of Rocky Mountain Douglas-fir, especially among populations from the northern and southern Rockies. [13] However, even nearby populations can differ in cold hardiness. [14]
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 ...
#43 A Guy Was Giving Away Some Old Growth Douglas Fir Beams On Marketplace, So I Built Myself A Dining Table Out Of Them. Image credits: CrotchisKing #44 Master Bathroom Vanity.
Since that time, in the lower valley where the tree grew, the entire old-growth forest has been logged, [3] including a nearby 4.24 meters (13.9 ft) diameter fir tree that contained 1,280 rings, and another fir tree felled in the same valley that was said to have measured 107.3 m (352 ft) tall. [2]
Letters to the editor on lands commissioners candidates, threats to democracy, protecting women’s rights and the Pierce County sheriff race. | Opinion
Old-growth forests, sometimes referred to as primary forests, are typically defined as those that are at least 150 years old and largely undisturbed by human activity.