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Focus on Forestry ; Vol. 10, No. 1 (Winter 1997)

Creator:: Oregon State University. College of Forestry, Brown, George, and Wells, Gail
Abstract:: Focus on Forestry is published three times each year (Fall, Winter, Spring) by the College of Forestry, Oregon State University. Our goal is to keep Forestry alumni and friends informed about the College of Forestry and its many activities and programs. We welcome letters, phone calls, and e-mail comments from...
Resource Type:: Other
Full Text:: the forests of eastern Oregon. The study panel was chaired by Norm Johnson of our faculty. Results

Focus on Forestry ; Vol. 9, No. 3 (Fall 1996)

Creator:: Oregon State University. College of Forestry, Brown, George, and Wells, Gail
Abstract:: Magazine of the OSU College of Forestry.
Resource Type:: Other
Full Text:: teaching has nurtured and developed this industry 's out- standing leadership talent. "Now, after almost

Financial feasibility of marker-aided selection in Douglas-fir

Creator:: Johnson, G. R., Wheeler, N. C., and Strauss, S. H.
Abstract:: The land area required for a marker-aided selection (MAS) program to break-even (i.e., have equal costs and benefits) was estimated using computer simulation for coastal Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) in the Pacific Northwestern United States. We compared the selection efficiency obtained when using an index that included the phenotype...
Resource Type:: Article
Full Text:: -fir G.R. Johnson, N.C. Wheeler, and S.H. Strauss Abstract: The land area required for a marker-aided

Focus on Forestry ; Vol. 11, No. 1 (Winter 1998)

Creator:: Oregon State University. College of Forestry, Brown, George, Wells, Gail, White, Seth, and Roorbach, Ashley
Abstract:: Magazine of the OSU College of Forestry.
Resource Type:: Other
Full Text:: what doesn't." from the Dean The cover story of tlti s issue of Focus on Forestry deals with uneven

Is long primary growth associated with stem sinuosity in Douglas-fir?

Creator:: Gartner, Barbara L. and Johnson, G. R.
Abstract:: Stem sinuosity is a highly visible stem-form trait in the leaders of fast-growing Douglas-fir (Pseudotsuga menziesii var. (Mirb.) Franco) trees, yet its cause is unknown. We tested the hypotheses that sinuous stems have longer expanses of primary growth than nonsinuous stems (putting the leader at higher risk curvature, induction of...
Resource Type:: Article
Full Text:: in Douglas-fir? Barbara L. Gartner and G.R. Johnson Abstract: Stem sinuosity is a highly visible

Focus on Forestry ; Spring 1993

Creator:: Oregon State University. College of Forestry, Wells, Gail, and Brown, George
Abstract:: Magazine of the OSU College of Forestry. Vol 6, No. 2
Resource Type:: Other
Full Text:: Johnson (that's lt i111 0 11 the cover, 11 pper right) takes notes 0 11 n mill visit. The other

Hydraulic safety margins and embolism reversal in stems and leaves: Why are conifers and angiosperms so different?

Creator:: Johnson, Daniel M., McCulloh, Katherine A., Woodruff, David R., and Meinzer, Frederick C.
Abstract:: Angiosperm and coniferous tree species utilize a continuum of hydraulic strategies. Hydraulic safety margins (defined as differences between naturally occurring xylem pressures and pressures that would cause hydraulic dysfunction, or differences between pressures resulting in loss of hydraulic function in adjacent organs (e.g., stems vs. leaves) tend to be much...
Resource Type:: Article
Full Text:: angiosperms, D.M. Johnson et al. / Plant Sci gs ref (mmol m -2 s -1 ) 250200150100500 -m ( m m o

Evidence for xylem embolism as a primary factor in dehydration-induced declines in leaf hydraulic conductance

Creator:: Johnson, Daniel M., McCulloh, Katherine A., Woodruff, David R., and Meinzer, Frederick C.
Abstract:: Hydraulic conductance of leaves (K[subscript leaf]) typically decreases with increasing water stress and recent studies have proposed different mechanisms responsible for decreasing K[subscript leaf]. We measured K[subscript leaf] concurrently with ultrasonic acoustic emissions (UAEs) in dehydrating leaves of several species to determine whether declining K[subscript leaf] was associated with xylem...
Resource Type:: Article
Full Text:: 2003; Woodruff et al. 2007; Johnson et al. 2009a). Decreases in Kleaf have also been attributed to

Conservation Plans for the Northern Spotted Owl in Oregon: The Economic Implications of Changing Timber Availability

Creator:: Greber, Brian J., Johnson, K. Norman, and Lettman, Gary
Abstract:: Recently released national forest plans and conservation plans for the protection of the northern spotted owl all call for a change in management direction on public forest lands in Oregon. The result will be a substantial reduction in public timber harvests in the state. This report summarizes how the conservation...
Resource Type:: Technical Report
Full Text:: . Norman Johnson Gary Lettman Forest Research Laboratory College of Forestry Oregon State University

Conservation plans for the northern spotted owl and other forest management proposals in Oregon : the economics of changing timber availability

Creator:: Greber, Brian J., Johnson, K. Norman, and Lettman, Gary
Abstract:: The goal of this study is to analyze how the ISC Conservation Strategy may influence Oregon's timber availability and economy in the context of overall changes in public land management. Two themes are important: first, how the state's future will differ from today and second, how the state's future will...
Resource Type:: Technical Report
Full Text:: Brian J. Greber K. Norman Johnson Gary Lettman Forest Research Laboratory College of Forestry Oregon

ScholarsArchive@OSU

Focus on Forestry ; Vol. 10, No. 1 (Winter 1997)

Focus on Forestry ; Vol. 9, No. 3 (Fall 1996)

Financial feasibility of marker-aided selection in Douglas-fir

Focus on Forestry ; Vol. 11, No. 1 (Winter 1998)

Is long primary growth associated with stem sinuosity in Douglas-fir?

Focus on Forestry ; Spring 1993

Hydraulic safety margins and embolism reversal in stems and leaves: Why are conifers and angiosperms so different?

Evidence for xylem embolism as a primary factor in dehydration-induced declines in leaf hydraulic conductance

Conservation Plans for the Northern Spotted Owl in Oregon: The Economic Implications of Changing Timber Availability

Conservation plans for the northern spotted owl and other forest management proposals in Oregon : the economics of changing timber availability

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