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Filtering by: Subject Forests and forestry -- Malaysia Remove constraint Subject: Forests and forestry -- Malaysia Advisor Paine, David P. Remove constraint Advisor: Paine, David P.

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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
A preliminary investigation into the use of the tarif system and three tree selection methods for obtaining Douglas-fir stand and stock tables from large-scale aerial photography

Creator:

McCadden, Richard Jay

Abstract:

As a preliminary step toward the establishment of a 70 mm. aerial photo timber inventory system capable of generating accurate stand tables, stock tables, and gross volume estimates, this project focuses on the development of a system which (1) eliminates the need to measure tree height on the photos through...

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
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
Multitemporal classification of vegetation in the Oregon Coastal Range using landsat multispectral scanner data

Creator:

Wang, Sen

Abstract:

The vegetation of a 420 square mile area of the Oregon Coastal Mountain Range was mapped using data from the multispectral scanner system aboard Landsat. Advantages of this mapping system include rapid synoptic coverage of the same geographic area at different periods in time at a reduced cost compared to...

Resource Type:

Masters Thesis

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Academic Affiliation

Forest Management5

Advisor

Paine, David P.[remove]5

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1968 to 1988

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Committee Member

Bell, John F.1
Moore, Thomas C.1
Petersen, Roger G.1
Peterson, Roger G.1
Ripple, William J.1
more Committee Members »

Creator

Arney, James Douglas, 1941 1
Mccadden, Richard Jay1
Payandeh, Bijan1
Rogers, Roger Allan1
Wang, Sen1

Date

Date range begin – Date range end

Current results range from 1967 to 1988

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Decade

1980-19892
1970-19791
1960-19692

Degree Field

Forest Management5

Degree Level

Master's4
Doctoral1

Degree Name

Master of Science (M.S.)4
Doctor of Philosophy (Ph.D.)1

Language

English [eng]5

Non-Academic Affiliation

Oregon State University. Graduate School5

Peer Reviewed

No3

Resource Type

Masters Thesis4
Dissertation1

Rights Statement

Copyright Not Evaluated5

Subject

Aerial photography in forestry2
Forests and forestry -- Measurement2
Artificial satellites in remote sensing1
Forest surveys -- Oregon -- Remote sensing1
Forests and forestry -- Measurement -- Computer programs1
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