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Filtering by: Subject Grazing -- Environmental aspects Remove constraint Subject: Grazing -- Environmental aspects Degree Field Forest Engineering Remove constraint Degree Field: Forest Engineering Resource Type Capstone Project Remove constraint Resource Type: Capstone Project

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Factors influencing residual stand damage levels due to cable thinning of coniferous stands in western Oregon

Creator:

Caccavano, Michael P.

Abstract:

The purpose of this study was to determine the significant variables influencing the damage levels sustained by the residual stand after skyline thinning of coniferous stands. Damage levels were measured in ten study areas in western Oregon that had received their first commercial thinning. For this post-logging study, 38 units...

Resource Type:

Capstone Project
A study of soil disturbance and compaction resulting from the use of ground-based logging vehicles in the Sierra Nevada

Creator:

Lysne, David Holtan

Abstract:

Some results of a study conducted in the Sierra Nevada Mountains west of Lake Tahoe are reported. The study measured soil impacts resulting from the use of a Caterpillar Tractor model D6D, a John Deere wheeled skidder model JD-640, and an FMC Corporation model FMC 21OCA logging vehicle. The three...

Resource Type:

Capstone Project
Identification of variables influencing residual stand damage from skyline thinning of young western hemlock-Sitka spruce stand

Creator:

Hargrave, Michael A.

Abstract:

Western hemlock and Sitka spruce are relatively thin- barked species and susceptible to damage during thinning operations. Damage to the wood allows decay-causing fungi to enter resulting in loss of merchantable volume at the time of final harvest. Cable yarding systems are needed for much of the thinning because most...

Resource Type:

Capstone Project
Soil compaction on a mechanized timber harvest operation in eastern Oregon

Creator:

Zaborske, Richard R.

Abstract:

The use of mechanized harvest equipment has been increasing as an economical method to harvest small diameter timber. While the use of this equipment is increasing, little is known about associated soil compaction. In particular, little information exists on soil compaction caused by feller--bunchers. This study measured soil compaction caused...

Resource Type:

Capstone Project
Shovel logging and soil compaction : a case study

Creator:

Floch, Rick F.

Abstract:

Shovel logging is a relatively new ground-based method of yarding tinther. It involves moving logs from stump to landing by successive swinging with a hydraulic excavator modified into a log loader by replacing the shovel bucket with a grapple. Loaders used in shovel yarding can weigh in excess of 100,000...

Resource Type:

Capstone Project

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Academic Affiliation

Forest Engineering5

Advisor

Froehlich, Henry A.1
O'leary, John E.1
Olsen, Eldon D.1
Sessions, Julian1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1981 to 1989

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Committee Member

Froehlich, Henry A.2
Atkinson, William A.1
Johnson, Rebecca1
Kellogg, Loren D.1
Olsen, Eldon A.1

Creator

Caccavano, Michael P.1
Floch, Rick F.1
Hargrave, Michael A.1
Lysne, David Holtan1
Zaborske, Richard R.1

Date

Date range begin – Date range end

Current results range from 1980 to 1989

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Decade

1980-19895

Degree Field

Forest Engineering[remove]5

Degree Level

Master's5

Degree Name

Master of Forestry (M.F.)4
Master of Natural Resources (M.N.R.)1

Language

English [eng]5

Peer Reviewed

No5

Resource Type

Capstone Project[remove]5

Rights Statement

Copyright Not Evaluated5

Subject

Logging, Skyline -- Environmental aspects2
Forest site quality -- Oregon1
Logging -- Environmental aspects -- Sierra Nevada Region (Calif. and Nev.)1
Logging -- Machinery -- Environmental aspects -- Washington (State) -- Olympic National Forest1
Logging -- Machinery -- Oregon1
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