western hemlock

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Related to western hemlocks: Tsuga heterophylla

western hemlock

A straight-grained, moderately low-density softwood of the western US; white to yellowish brown in color and not as strong as Douglas fir; used for general construction and plywood.
References in periodicals archive ?
Increment cores were collected from all live Sitka spruce, western hemlock, and black cottonwood trees in each plot.
Saplings and understory trees of western hemlock are common at the three oldest sites but are rare or absent at all younger sites (Table 4).
Current stand density (plants/ha) of western hemlock and mountain hemlock at seven study sites.
Western hemlock Site n Seedling Sapling Understory 3 20 0 3 [+ or -] 3 0 4 12 0 13 [+ or -] 8 0 5 10 0 0 0 7 20 147 [+ or -] 113 13 [+ or -] 13 0 8 20 3013 [+ or -] 921 113 [+ or -] 42 53 [+ or -] 17 9 20 947 [+ or -] 234 10 [+ or -] 5 83 [+ or -] 27 10 20 1347 [+ or -] 256 27 [+ or -] 11 237 [+ or -] 39 Total live Site Subcanopy Overstory trees 3 0 0 0 4 0 0 0 5 0 0 0 7 0 0 0 8 0 10 [+ or -] 5 63 [+ or -] 17 9 33 [+ or -] 10 3 [+ or -] 3 120 [+ or -] 30 10 63 [+ or -] 18 27 [+ or -] 10 327 [+ or -] 49 Dead Mountain Site trees hemlock 3 0 3 [+ or -] 3 4 0 0 5 0 5 [+ or -] 5 7 0 13 [+ or -] 8 8 0 263 [+ or -] 77 9 0 90 [+ or -] 21 10 27 [+ or -] 12 40 [+ or -] 14
Western hemlock trees are common at the three oldest sites and are nearly as abundant as spruce at site 10 (Table 4), but most hemlocks are small understory trees and contribute only 2-17% of the stand basal area at these sites (Table 8).

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