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Filtering by: Advisor Radosevich, Steven R. Subject Red alder -- Growth

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
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