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Filtering by: Subject Forests and forestry -- Mensuration Remove constraint Subject: Forests and forestry -- Mensuration Degree Field Forest Management Remove constraint Degree Field: Forest Management

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A comparative economic analysis between log scaling practices

Creator:

Lewis, Charles Stewart

Abstract:

Many centers of population in the Pacific Northwest are dependent upon employment in the forest based industries. Mary of these timber dependent communities look to the public forests for their raw wood requirements. In some localities the installed capacity has outstripped the local wood supply. This necessitates reaching into other...

Resource Type:

Masters Thesis
A comparative study of three log rules commonly used in the Pacific Northwest, U.S.A.

Creator:

Paixao, Julio De Castro

Abstract:

A comparative study was done on data collected by Weyerhaeuser Company on l,6144 second-growth Douglas-fir, Pseudotsuga menziesii, trees. The variable used in the study was the percent difference, positive or negative, between the volumes given by each of three different log rules and the standard tree volumes determined by Weyerhaeuser...

Resource Type:

Masters Thesis
An evaluation of an inventory projection system : TRIM model predictions vs. forest inventory field measurements in North Carolina

Creator:

Mills, John R.

Abstract:

As part of the effort to evaluate TRIM (Timber Resource Inventory Model) for the next RPA National Assessment, a study was conducted using natural pine stands in North Carolina. TRIM has been used for regional timber supply studies in both the Pacific Northwest and the South (Southern Timber Supply Study)....

Resource Type:

Masters Thesis
Probability proportional to size sampling of Douglas-fir from aerial photography

Creator:

Rogers, Roger Allan

Abstract:

This experiment was designed to investigate the use of volume estimations from aerial photography and probability proportional to size (PPS) sample selection in the development of a practical sampling design for timber volume estimation on small land areas of Pacific Northwest Douglas -fir (Pseudotsuga menziesii, Franco). The major problem of...

Resource Type:

Masters Thesis
An evaluation of the use of tarif tables in second growth Douglas-fir

Creator:

Marshall, David D.

Abstract:

The Washington State Department of Natural Resources' Comprehensive Tree-Volume Tarif Tables are a set of preconstructed local volume tables. This can increase "on plot" efficiency since only diameters are necessary to obtain volumes after the proper table for the given diameter/height relationship is accessed. The tables are accessed and indexed...

Resource Type:

Masters Thesis
A comparison of the harmonized-curve and the combined variable methods of cubic foot volume table construction

Creator:

Berry, Dick Wallace, 1914-

Resource Type:

Masters Thesis
A quantitative analysis of log volume concepts and product derivatives

Creator:

Smith, Douglas Sterling

Abstract:

One of the most important challenges facing foresters is the development of a raw material measurement system designed to give a complete inventory of log volume and to assist in planning the complete management of log production. This paper introduces a concept of production analysis in terms of solid fiber...

Resource Type:

Masters Thesis
An analysis of design and technique of cluster point sampling in coastal Alaska old-growth forests

Creator:

LaBau, Vernon J.

Abstract:

This study was a test of eight basal area factors and five point sampling cluster patterns in a computer oriented sampling study of coastal Alaska old-growth spruce-hemlock stands. It was an attempt to learn which basal area factor and which type of point sample cluster pattern should be used in...

Resource Type:

Masters Thesis
Calculation of tree volume and surface area by the height-accumulation method

Creator:

Arney, James Douglas, 1941-

Abstract:

This study was initiated to determine the accuracy and limits of the height-accumulation method of measuring tree volume and surface area for Pacific Northwest second-growth trees. Thirty trees were selected from various thinning treatments in a 55 year old Douglas-fir forest. Each tree was measured with the highly accurate Barr...

Resource Type:

Masters Thesis
Nutrient losses and nitrogen mineralization on forested watersheds in Oregon's Coast Range

Creator:

Miller, James H.

Abstract:

Nutrient losses of the biologically responsive anions, nitrate and bicarbonate together with the major cations, were monitored on 14 small watersheds in Oregon's Coast Range and evaluated in relation to management-induced disturbance. Mixed forests of Douglas-fir and red alder had dominated these high-nitrogen sites prior to treatment. A paired-watershed experimental...

Resource Type:

Dissertation

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Academic Affiliation

Forest Management34

Advisor

Brodie, J. Douglas5
Paine, David P.5
Bell, John F.4
Adams, Darius M.3
Barnes, George H.2
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Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1950 to 1990

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Committee Member

Paine, David P.4
Bell, John F.2
Haynes, Richard2
Petersen, Roger G.2
Adams, Darius M.1
more Committee Members »

Creator

Alcock, Gerald William1
Alexander, Susan J.1
Alig, Ralph J.1
Arney, James Douglas, 1941 1
Barber, Richard L.1
more Creators »

Date

Date range begin – Date range end

Current results range from 1950 to 1989

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Decade

1980-198917
1970-19795
1960-19698
1950-19594

Degree Field

Forest Management[remove]34

Degree Level

Master's25
Doctoral9

Degree Name

Master of Science (M.S.)22
Doctor of Philosophy (Ph.D.)9
Master of Forestry (M.F.)3

Language

English [eng]34

Non-Academic Affiliation

Oregon State University. Graduate School34

Peer Reviewed

No29

Resource Type

Masters Thesis25
Dissertation9

Rights Statement

Copyright Not Evaluated32
In Copyright2

Subject

Forests and forestry -- Measurement8
Forests and forestry -- Mensuration4
Douglas fir3
Forests and forestry -- Economic aspects3
Aerial photography in forestry2
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