western hemlock

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Related to Tsuga heterophylla: Tsuga mertensiana, western hemlock, mountain hemlock

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.
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The new species is an inhabitant of mixed conifer/deciduous forest of the Tsuga heterophylla Zone (Franklin & Dyrness, 1988) at lower elevations (Fig.
Before harvest the site supported a mature to old-growth forest of Pseudotsuga menziesii, Tsuga heterophylla and Thuja plicata.
To check the generality of the regression models developed for our four sites, we used the equations to predict inertia by growth form for two other sites in the lower elevation Tsuga heterophylla zone for which we have data (Antos and Zobel 1985c; sites A and D; J.
The impacts on drying behavior of basic density, initial moisture content, percentage and position of heartwood, ring count, rings from the pith, growth ring angle, and earlywood and latewood coverage on board faces were investigated for western hemlock (Tsuga heterophylla) lumber.
Three trees are missing: cascara buckthorn (Rhamnus purshiana) and bitter cherry (Prunus emarginata), and western hemlock (Tsuga heterophylla).
These include the Western Hemlock (Tsuga heterophylla) zone, excluding the relatively xeric "Puget Sound Area" and the exceptionally moist Sitka Spruce (Picea sitchensis) zone.
Hemlock, from the species Tsuga heterophylla, is a softwood.
Cuttings found in nests provided evidence that most of the voles were feeding on needles of Western Hemlock (Tsuga heterophylla) or Sitka Spruce (Picea sitchensis).
Data from a kiln drying western hemlock (Tsuga heterophylla) lumber (Mill 1) and a kiln drying southern pine (Pinus spp.) dimension lumber (Mill 2) are presented.
Californica, 1989 Hazelnut, Corylus americana, 30 27 1997 HEMLOCH Carolina, Tsuga caroliniana, 161 99 1999 Eastern, Tsuga Canadensis, 202 165 1995 Mountain, Tsuga mertensiana, 277 113 1990 (*) Mountain, Tsuga mertensiana, 234 152 1993 (*) Western, Tsuga heterophylla, 341 174 1993 (*) Western, Tsuga heterophylla, 270 241 1987 (*) Western, Tsuga heterophylla, 316 202 1989 (*) HERCULES - CLUB Zanthoxylum clova-herculis, 53 68 1996 Texas, Zanthoxylum hirsutum, 31 50 1982 HIBISCUS Sea, Hibiscus tiliaceus, 102 50 1991 ([DELTA]) Shrub althea, Hibiscus 8 19 syriacus, 1999 (*, [DELTA]) Shrub althea, Hibiscus 17 16 syriacus, 2001 (*, [DELTA]) HICKORY Bitternut, Carya Cordiformis, 182 120 1999 Black, Carya texana, 2000 118 127 Carolina, Carya ovata var.
Forested areas in the western third of Oregon include the Coast Range and western slopes of the Cascades dominated by Douglas-fir (Pseudotsuga menziesii) and Western Hemlock (Tsuga heterophylla), and eastern slopes of the Cascades dominated by Ponderosa Pine (Pinus ponderosa), Douglas-fir, and White Oak (Quercus garryana) (Chappell and others 2001).
This preliminary study investigated the time and energy requirements to heat western hemlock (Tsuga heterophylla) to a pasteurization temperature using dielectric heating technology at radio frequencies an alternative method to chemicals and convective heating.