Index Catalog // ScholarsArchive@OSU

Comparison between the growing seasons of western yellow pine and Douglas fir

Creator:: McGuire, K. B.
Resource Type:: Undergraduate Thesis
Full Text:: many are to be solved. In some ways we have much to learn yet about the growth of trees. There is an

The role of density and proportion in allometric equations of Douglas-fir and red alder seedlings

Creator:: Cooke, Pamela T.
Abstract:: Allometric equations are useful tools for predicting tree biomass when direct measurements are impractical. Any factor affecting plant growth can be a significant variable in allometric equations. Density and species proportion are spatial variables that influence tree growth and should be considered when developing allometric equations. This consideration is especially...
Resource Type:: Masters Thesis

The size-density relationship in pure and mixed red alder/Douglas-fir stands and its use in the development of a growth model

Creator:: Puettmann, Klaus J.
Abstract:: The increased interest in red alder (Alnus rubra Bong.) management instigated research in growth and yield and stand development of red alder in pure and mixed red alder/Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) stands. This study had the goa1s of evaluating the accuracy of the currently existing growth and yield tools...
Resource Type:: Dissertation

An interpretation of annual rings of Douglas fir

Creator:: Bennett, Stanley M.
Resource Type:: Undergraduate Thesis
Full Text:: Highway 8 INSTRUMENTS AND ANALYSIS . . 9 Method of Taking Samples . 9 Measurement of Annual Growth 9

Growth growing-stock relationships in young Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco)

Creator:: Sales Luis, Jaime Fernando
Abstract:: In the thinning theory, the hypothesis that the stand growth is unaffected by the density over a broad range of densities is generally accepted today. In this study three different measures of stand density were used in basal area growth and volume growth multiple regressions in even-aged managed stands, searching...
Resource Type:: Masters Thesis

Dynamics of size structures : simulation and experiments in seedling stands of Pseudotsuga menziesii and Fraxinus mandshurica

Creator:: Petersen, Terry D.
Abstract:: Computer simulations and experiments were used to determine the basis for skewness and inequality in size structures (frequency distributions of Individual plant sizes) prior to self-thinning mortality. In simulated stands, density-dependent neighborhood heterogeneity caused variability in the growth rate of individuals with the same size, and such variability caused skewness...
Resource Type:: Dissertation

Competitive interactions between Douglas-fir and red alder seedlings : growth analysis, resource use, and physiology

Creator:: Shainsky, Lauri J.
Abstract:: Competitive interactions between Douglas-fir seedlings (Pseudotsuga menziesii), and seedlings of a nitrogen-fixing hardwood associate, red alder (Alnus rubra), were investigated in an addition series experiment. The primary objective of the research was to identify and quantify key processes underlying intra- and interspecific competitive interactions of Douglas-fir and red alder seedlings....
Resource Type:: Dissertation

Competitive interactions in young, coastal Douglas-fir/red alder mixtures : implications for wood quality

Creator:: Grotta, Amy T.
Abstract:: When Douglas-fir and red alder grow in mixture, interactions between the two species can be competitive, facilitative, or a combination of both over time. A number of factors have recently led to increased interest in managing these two species together for commercial production, and ongoing investigations are yielding important information...
Resource Type:: Masters Thesis

Effects of grazing management and tree planting pattern in a young Douglas-fir argoforest

Creator:: Carlson, Deirdre H.
Abstract:: A silvopastoral system using a Douglas-fir (Pseudotsuga menziesii) tree crop and subclover (Trifolium subterraneum) as a nitrogen-fixing forage crop was investigated near Corvallis, Oregon, during 1983-1985. Treatments included all possible combinations of three planting patterns (no trees, trees planted 2.5 m apart in a grid, and clusters of five trees...
Resource Type:: Masters Thesis
Full Text:: management on tree height and diameter growth was apparent. Differences in height and diameter growth

Fifth-year growth responses of Douglas-fir to crowding and other competition

Creator:: Cole, Elizabeth C.
Abstract:: This thesis examines the competitive aspects of Douglas-fir trees growing with two commonly associated competitors--red alder and grass--at varying densities. Two Nelder plots in three different environments in the Oregon Coast Range were studied. The sites represented the warm, dry climate of the Willamette Valley; the warm, moist climate of...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Comparison between the growing seasons of western yellow pine and Douglas fir

The role of density and proportion in allometric equations of Douglas-fir and red alder seedlings

The size-density relationship in pure and mixed red alder/Douglas-fir stands and its use in the development of a growth model

An interpretation of annual rings of Douglas fir

Growth growing-stock relationships in young Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco)

Dynamics of size structures : simulation and experiments in seedling stands of Pseudotsuga menziesii and Fraxinus mandshurica

Competitive interactions between Douglas-fir and red alder seedlings : growth analysis, resource use, and physiology

Competitive interactions in young, coastal Douglas-fir/red alder mixtures : implications for wood quality

Effects of grazing management and tree planting pattern in a young Douglas-fir argoforest

Fifth-year growth responses of Douglas-fir to crowding and other competition

Limit your search

Academic Affiliation

Advisor

Commencement Year

Committee Member

Creator

Date

Decade

Degree Field

Degree Level

Degree Name

File Format

Language

License

Non-Academic Affiliation

Peer Reviewed

Resource Type

Rights Statement

Subject

Search Constraints

Search Results

Limit your search