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Filtering by: Subject Douglas fir -- Coast Ranges -- Growth Remove constraint Subject: Douglas fir -- Coast Ranges -- Growth

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The clonal development of vine maple during Douglas-fir stand development in the Coast Range of Oregon

Creator:

O'Dea, Mary E.

Abstract:

Natural Douglas-fir stand development is the result of many types of disturbance, both natural and management induced. The magnitude and timing of these disturbances have profound effects on the structure and composition of both the overstory and understory plant communities. Vine maple responds to disturbance by basal sprouting, layering, producing...

Resource Type:

Masters Thesis
Effects of fertilization, vegetation control, and sulfur on swiss needle cast and growth of coastal Douglas-fir saplings

Creator:

Crane, Gabriel A.

Abstract:

A series of studies and replicated field sites were implemented in the Oregon Coast Range within Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) sapling plantations infected with varying levels of Swiss needle cast (SNC) caused by the fungus, Phaeocryptopus gaeumannii (Rhode) Petrak (PG). This research was conducted to understand the effects of...

Resource Type:

Masters Thesis
Factors influencing growth of young Douglas-fir and red alder in the Oregon Coast Range : interference, nitrogen availability, and animal damage

Creator:

Fuentes-Rodríquez, Laura Angélica

Abstract:

Red alder (Alnus rubra Bong.) is a common associate and a potentially severe competitor of Douglas-fir (Pseudotsuga menziesii var. menziesii [Mirb.] Franco) in the Oregon Coast Range. However, because it fixes nitrogen and increases rates of soil nutrient cycling, red alder has the potential to benefit Douglas-fir. The objective of...

Resource Type:

Masters Thesis
Alterations in Douglas-fir crown structure, morphology, and dynamics imposed by the Swiss needle cast disease in the Oregon Coast Range

Creator:

Weiskittel, Aaron R.

Abstract:

Plants respond to defoliation in many different and complex ways, depending on their growth habit and form as well as the extent and duration of the defoliation. Tree crowns have been shown to be quite sensitive to disturbances such as defoliation, however quantitative relationships have rarely been developed, making the...

Resource Type:

Masters Thesis
Taper, crown, and volume responses of a coastal Oregon Douglas-fir stand to sulfur treatments for control of Swiss needle cast

Creator:

Younger, Nicole L.

Abstract:

For nearly two decades, foresters in the Oregon Coast Range have been witnessing a substantial decease in Douglas-fir (Pseudotsuga menziesii var. menziesii [Mirb.] Franco.) vigor and growth, caused by Swiss needle cast (Phaeocryptopus gaeumannii). Currently, no solutions are in sight but aerially-applied sulfur may alleviate Swiss needle cast and its...

Resource Type:

Masters Thesis

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Academic Affiliation

Forest Science3
Forest Resources2

Advisor

Hailemariam, Temesgen1
Harrington, Timothy B.1
Maguire, Douglas A.1
Rose, Robert W.1
Tappeiner, John C.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1993 to 2008

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Committee Member

Maguire, Douglas2
Boyle, Jim1
Filip, Greg1
Mark, Vomocil1
Radosevich, Steve1
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Creator

Crane, Gabriel A.1
Fuentes Rodriquez, Laura Angelica1
O'dea, Mary E.1
Weiskittel, Aaron R.1
Younger, Nicole L.1

Date

Date range begin – Date range end

Current results range from 1992 to 2007

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Decade

2000-20093
1990-19992

Degree Field

Forest Resources2
Forest Science2
Forest Ecology1

Degree Level

Master's5

Degree Name

Master of Science (M.S.)5

File Format

application/pdf1

Language

English [eng]5

License

All rights reserved1

Non-Academic Affiliation

Oregon State University. Graduate School5

Peer Reviewed

No5

Resource Type

Masters Thesis5

Rights Statement

Copyright Not Evaluated4
In Copyright1

Subject

Douglas fir -- Coast Ranges -- Growth[remove]5
Douglas fir -- Oregon -- Growth5
Swiss needle cast -- Coast Ranges3
Swiss needle cast -- Oregon3
Douglas fir -- Diseases and pests -- Coast Ranges2
more Subjects »

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