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A 92-foot Douglas-fir in a weighing lysimeter

Creator:: Fritschen, Leo, Cox, Lloyd, Kinerson, Russell S., 1941-, U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: A soil container 12 feet in diameter and 4 feet deep was constructed around the root ball of a 92-foot Douglas-fir tree in a naturally regenerated stand. The weighing mechanism, consisting of 550 feet of 2.5-inch butyl rubber tubing filled with water connected to a standpipe, was placed under the...
Resource Type:: Technical Report
Full Text:: INTERNAL REPORT 24 A 92-FOOT DOUGLAS-FIR IN A WEIGHING

Influence of static bending stress on growth and wood characteristics of nine-year-old Douglas fir from two geographic sources

Creator:: Riech, Fredric Paul
Abstract:: The form of a tree stem and the properties of the wood comprising a stem may be determined by the strength requirements of that stem. If this is true, a tree will react physiologically to stresses which are imposed on a stem. This study was designed to investigate the influence...
Resource Type:: Masters Thesis

Douglas-fir hydraulic architecture and relationships among xylem properties at multiple scales via a Bayesian analysis

Creator:: Dunham, Sonya M.
Abstract:: This study investigated variation in xylem anatomy, hydraulic properties, and the relationship between anatomy and properties within Douglas-fir trees at multiple scales. The hierarchical scales in the study included fertilization treatments (fertilized and unfertilized), trees within the treatments, and positions within the trees. Tracheid diameter, tracheid length, percent latewood, number...
Resource Type:: Masters Thesis
Full Text:: , 2006. Title: Douglas-fir Hydraulic Architecture and Relationships Among Xylem Properties at Multiple

Structure and hydraulic function of xylem in two tree species with contrasting amounts of sapwood, Pseudotsuga menziesii and Pinus ponderosa

Creator:: Domec, Jean-Christophe
Abstract:: Every wood anatomist knows that the wood near the center of a tree (juvenile wood) differs from the wood laid down at some distance from the pith (mature wood), and that the wood produced during the spring (earlywood) differs from the wood produced during the summer (latewood). There is a...
Resource Type:: Dissertation

Internal moisture relations of standing Douglas-fir trees injected with organic arsenicals

Creator:: Holt, Harvey Allen
Abstract:: Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) ranging from 9.6 to 14.3 inches diameter breast height were treated with the organic arsenicals, monosodium methanearsonate (MSMA) and cacodylic acid. Treatments were applied at monthly intervals from February, 1967 to October, 1968, to ten to 25 trees each month. Treated trees were sampled in...
Resource Type:: Dissertation

Nonlinear equations for predicting diameter and squared diameter inside bark at breast height for Douglas-fir

Creator:: Ritchie, Martin W., Hann, David W., and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: -fir Martin W. Ritchie David W. Hann FOREn REIEARCH LAB College of Forestry Oregon State University

Examining bias in estimating the response variable and assessing the effect of using alternative plot designs to measure predictor variables in diameter growth modeling

Creator:: Zumrawi, Abdel Azim M. A.
Abstract:: Diameter growth of Douglas-fir (Pseudotsuqa menziesii (Mirb.) Franco) estimated from increment cores was compared with that obtained from repeated measurements of tree diameter on permanent plots located in two Douglas-fir study areas in the central Coast Range of Oregon. Growth was measured for a 6-year period (1979- 1985). Diameter growth...
Resource Type:: Dissertation

Douglas fir log scaling practices: with special emphasis upon plywood scaling

Creator:: Clinton, Jack
Resource Type:: Undergraduate Thesis
Full Text:: Douglas fir log scaling practices: with special emphasis

Testing suggested rules of thumb in standing second growth Douglas fir

Creator:: De Camp, Richard
Resource Type:: Undergraduate Thesis
Full Text:: Douglas fir Testing Suggested Rules of Thumb in Stnding Second Growth Douglas Fir by Richerd De

Comparative efficiency of the wedge prism method and the circular plot method in estimating volumes of Douglas-fir stands

Creator:: Richardson, James Hollins
Resource Type:: Masters Thesis

ScholarsArchive@OSU

A 92-foot Douglas-fir in a weighing lysimeter

Influence of static bending stress on growth and wood characteristics of nine-year-old Douglas fir from two geographic sources

Douglas-fir hydraulic architecture and relationships among xylem properties at multiple scales via a Bayesian analysis

Structure and hydraulic function of xylem in two tree species with contrasting amounts of sapwood, Pseudotsuga menziesii and Pinus ponderosa

Internal moisture relations of standing Douglas-fir trees injected with organic arsenicals

Nonlinear equations for predicting diameter and squared diameter inside bark at breast height for Douglas-fir

Examining bias in estimating the response variable and assessing the effect of using alternative plot designs to measure predictor variables in diameter growth modeling

Douglas fir log scaling practices: with special emphasis upon plywood scaling

Testing suggested rules of thumb in standing second growth Douglas fir

Comparative efficiency of the wedge prism method and the circular plot method in estimating volumes of Douglas-fir stands

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