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Filtering by: Subject Forests and forestry -- Measurement -- Data processing Remove constraint Subject: Forests and forestry -- Measurement -- Data processing Decade 1960-1969 Remove constraint Decade: 1960-1969

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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
The construction of stand aerial photo-volume tables for second-growth Douglas-fir

Creator:

Lundgren, John Wollan

Resource Type:

Masters Thesis
An analysis of the weighted least squares technique as a method for the construction of tree volume tables

Creator:

Munro, Donald Deane

Abstract:

The purpose of this thesis was to investigate the use of weights in least squares regression volume table construction and thereby to determine the importance of the assumption of homogeniety of tree volume variance. Several weighted and unweighted linear regression equations were investigated using data from 340 Douglas-fir Pseudotsuga menziesii...

Resource Type:

Masters Thesis
A computer simulation study of the relative efficiency of several forest sampling techniques as influenced by the spatial distribution of trees found in five major forest types of the Pacific Northwest

Creator:

Payandeh, Bijan

Abstract:

This study was initiated to determine the relative efficiency of systematic, stratified and simple random sampling for crown area and tree frequency estimation of five of the major forest types found in the Pacific Northwest. Several of the more common methods of estimating spatial distribution coefficients were evaluated. Finally the...

Resource Type:

Dissertation
The yield of Douglas fir in the Pacific Northwest

Creator:

McArdle, Richard Edwin, 1899-, Meyer, Walter H. (Walter Huber), and Bruce, Donald, b. 1884

Resource Type:

Technical Report

Full Text:

Forest and Range Experiment Station Forest Service WITH A SECTION ON APPLICATION OF YIELD TABLES BY

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Academic Affiliation

Forest Management5
School of Forestry1

Advisor

Dilworth, J. R.2
Paine, David P.2
Bell, John F.1
Dilworth, John R.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1961 to 1968

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Unknown 1

Creator

Arney, James Douglas, 1941 1
Bruce, Donald, B. 18841
Labau, Vernon J.1
Lundgren, John Wollan1
Mcardle, Richard Edwin, 1899 1
more Creators »

Date

Date range begin – Date range end

Current results range from 1961 to 1968

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Decade

1960-1969[remove]7

Degree Field

Forest Management5
Forestry1

Degree Level

Master's5
Doctoral1

Degree Name

Master of Science (M.S.)5
Doctor of Philosophy (Ph.D.)1

Language

English [eng]7

Non-Academic Affiliation

Oregon State University. Graduate School6

Peer Reviewed

No4
Yes1

Resource Type

Masters Thesis5
Dissertation1
Technical Report1

Rights Statement

Copyright Not Evaluated7

Subject

Forests and forestry -- Measurement5
Douglas fir1
Douglas fir -- Northwest, Pacific1
Forests and forestry -- Measurement -- Computer programs1
Forests and forestry -- Northwest, Pacific -- Measurement1
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