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The effects of stand density on the growth and microclimate of young Douglas-fir stands

Creator:: Woodruff, David R.
Abstract:: My objectives were to investigate the correlation of height and diameter growth in young Douglas-fir (Pseudotsuga menziesii) plantations with stand density, and to determine the effects of stand density on the canopy boundary layer conductance (g[subscript]ac) and microclimate characteristics of young Douglas-fir plantations. I measured annual height (h) and diameter...
Resource Type:: Masters Thesis
Full Text:: Washington. Each site consisted of test plantations of eight- and twelve-year-old Douglas-fir in initial

Forest planting in the Douglas-fir region

Creator:: Kum̈mel, Julius Frank, Rindt, Charles A., 1903-, Munger, Thornton T. (Thornton Taft), 1883-, and United States. Forest Service
Resource Type:: Other
Full Text:: Washington, although within the range of Douglas -fir, are not considered in the present discussion because

Salvage logging in the Douglas-fir region of Oregon and Washington

Creator:: Matson, Elmer E. and Grantham, John Bernard
Resource Type:: Technical Report

Status of Douglas-fir tussock moth infestations in the northern region, 1973

Creator:: Tunnock, Scott and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: acres of Douglas-fir were defoliated south of Kettle Falls, Washington, and egg masses were abundant in

Detection survey for Douglas-fir tussock moth infestations in the northern region, 1972

Creator:: Tunnock, Scott and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: The last outbreak of the Douglas-fir tussock moth, Hemerocampa pseudotsugata McD., in the Northern Region subsided in 1965. Tussock moth populations were not detected again until 1970 when ornamental spruce were defoliated in Spokane, Washington, and Poison and Missoula, Montana.
Resource Type:: Technical Report
Full Text:: -8 5220 October 1972 DETECTION SURVEY FOR DOUGLAS-FIR TUSSOCK MOTH INFESTATIONS IN THE

Interference dynamics in mixed red alder/Douglas-fir forests

Creator:: D'Amato, Anthony W.
Abstract:: This study characterized the nature and dynamics of interference in mixed red alder (Alnus rubra Bong.)/Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco) stands in the Pacific Northwest, USA. Long-term spatial and tree measurements from the Cascade Head (CH) and H.J. Andrews (HJA) Experimental Forests in western Oregon and Delezene Creek (DC), Washington...
Resource Type:: Masters Thesis
Full Text:: in Mixed Red Alder/Douglas-fir Forests Abstract approved: Signature redacted for privacy

Forest insect and disease status prior to operation of a magnesium plant in northeastern Washington

Creator:: Carlson, Clinton E., Gilligan, Carma J., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: An evaluation to establish baseline data on forest insect and disease activity near a magnesium plant under construction in northeastern Washington was initiated in 1974. The plant will emit significant amounts of sulfur dioxide. Data indicates that several fungal and insect species are at low populations. Needle retention appears normal...
Resource Type:: Technical Report
Full Text:: Washington State University; PROTECTION V23 ..(06, • • • 2. Air monitoring for current SO 2

The insect community of dead and dying Douglas-fir. I, The Hymenoptera

Creator:: Deyrup, Mark Amidon and U.S. International Biological Program. Coniferous Forest Biome
Abstract:: The insects that invade a dying or dead tree are the immediate cause of death and the principle mediators of early stages of decomposition of the tree. These insects form a large and complex community, the species components of which are restricted to particular habitats. A study of the insect...
Resource Type:: Technical Report
Full Text:: anno- tated list of the insects associated with Douglas-fir in Idaho and Washington. The list includes

The analysis of the spatial attack pattern of an endemic Douglas-fir beetle population

Creator:: Hedden, Roy L., Gara, Robert I., U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: The attack spatial pattern of the Douglas-fir beetle, Dendroctonus pseudotsugae Hopkins was shown to be regular within a given subarea of bark on its host, Pseudotsugae menziesii (Mirb.) Franco. Empirical arguments were advanced which indicated the uniform spacing of attacks was the result of a beetle controlled spacing mechanism dependent...
Resource Type:: Technical Report
Full Text:: PATTERN OF AN ENDEMIC DOUGLAS-FIR BEETLE POPULATION ABSTRACT The attack spatial pattern of the Douglas

The analysis of the attack distribution of an endemic Douglas-fir beetle population

Creator:: Hedden, Roy L., Gara, Robert I., U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: Felled second-growth Douglas-fir trees in western Washington were used to determine the attack distribution and develop a sampling technique for an endemic Douglas-fir beetle, Dendroctonue peeudotaugae Hopk. (Coleoptera: Scolytidae) population. The attack density varied by circumferential position. The lowest density was on the upper bole and the highest on one...
Resource Type:: Technical Report
Full Text:: Douglas-fir trees in western Washington. Thus recognizing the Importance of the Douglas-fir beetle in the

ScholarsArchive@OSU

The effects of stand density on the growth and microclimate of young Douglas-fir stands

Forest planting in the Douglas-fir region

Salvage logging in the Douglas-fir region of Oregon and Washington

Status of Douglas-fir tussock moth infestations in the northern region, 1973

Detection survey for Douglas-fir tussock moth infestations in the northern region, 1972

Interference dynamics in mixed red alder/Douglas-fir forests

Forest insect and disease status prior to operation of a magnesium plant in northeastern Washington

The insect community of dead and dying Douglas-fir. I, The Hymenoptera

The analysis of the spatial attack pattern of an endemic Douglas-fir beetle population

The analysis of the attack distribution of an endemic Douglas-fir beetle population

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