Index Catalog // ScholarsArchive@OSU

Streamside buffer strips : survival, effectiveness, and design

Creator:: Steinblums, Ivars John
Abstract:: Stream buffer strips are an important tool for protecting the stream environment. This research documents the losses from 40 stream buffer strips, in the Western Cascades of Oregon, established 1 to 15 years before the study. Predictive equations are developed which identify the major reasons for buffer strip losses. Losses...
Resource Type:: Masters Thesis
Full Text:: losses. Losses from wind, sunscald, logging damage, and other factors were estimated. The effectiveness

Fine organic debris and dissolved oxygen in streamed gravels in the Oregon Coast Range

Creator:: Skaugset, Arne E.
Abstract:: Intragravel organic loading and intragravel dissolved oxygen were studied to determine the relationship between timber harvesting adjacent to first-, second-, and third-order streams and intragravel water quality. Twenty watersheds in the central Coast Range of western Oregon were studied of which five were undisturbed, nine were partially harvested, and six...
Resource Type:: Masters Thesis

Natural debris and logging residue within the stream environment

Creator:: Lammel, Richard Friedrich
Abstract:: Amounts of natural debris in small headwater streams under old growth stands of Douglas-fir vary from 6 1/2 tons per 100 ft. of stream to 26 tons per 100 ft. of stream, depending on terrain and timber characteristics and sequence in the natural accumulation-flushing cycle. Approximately 10% of the weight...
Resource Type:: Masters Thesis

Mass wasting in forested mountain topography

Creator:: Hu, Su Cherng
Abstract:: As the demands for forest products increase, additional timber harvesting operations can be expected on steep mountainous terrain, The resulting disruption of natural slope stability by man's disturbances (roadbuilding, logging and vegetative manipulation, etc.) may also accelerate mass movement processes in this terrain. Swanston (1969) defines mass movement as ".,...
Resource Type:: Capstone Project

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

Designing skid trail systems to reduce soil impacts from tractive logging machines

Creator:: Froehlich, Henry A., Aulerich, D. E., and Curtis, R.
Abstract:: Logging on skid trails restricted to 10 percent or less of the harvested stand can reduce the area of compacted soil by at least two-thirds, In a comparative study, productivity of Douglas-fir logs per hour was just as great In an area with designated trails as In an adjacent area...
Resource Type:: Technical Report
Full Text:: ' NOVEMBER 1981 DESIGNING SKID TRAIL SYSTEMS TO REDUCE SOIL IMPACTS FROM TRACTIVE LOGGING MACHINES H.A

Comparative growth of supressed second-growth Douglas fir befor and after release by logging

Creator:: McComb, Denver P.
Resource Type:: Undergraduate Thesis
Full Text:: befor and after release by logging AGRICULTURE ROOM -LNCI. 4. Comparative Growth of SUPP}flS ED

Report of dam at Chitwood mill on Haxel Creek, a tributary of Thornton Creek

Creator:: Waldron, Kenneth D. and Oregon Fish Commission. Shellfish Program
Abstract:: Describes an investigation of a dam at a millpond near the village of Chitwood, Oregon. The dam was on Haxel Creek, a tributary of Thornton Creek, a tributary of the Yaquina River. Includes a hand-drawn map of the area.
Resource Type:: Technical Report

Designated skid trails minimize soil compaction

Creator:: Garland, John J. and Oregon State University. Extension Service
Abstract:: Ground-based skidding may cause unacceptable damage to woodland soils when owners make no attempt to minimize the area covered with skid trails. As much as 40 percent of the area may be covered with skid trails during a single entry if you do not plan and mark them in advance.
Resource Type:: Technical Report
Full Text:: 1110 Reprinted September 1997 $1.50 Logging Designated Skid Trails Minimize Soil Compaction J.J

The geomorphic significance of log steps in forest streams of the Oregon Coast Range

Creator:: Marston, Richard A.
Abstract:: A log step develops when large woody debris extends across the active channel, creating a change in the water surface elevation as the stream spills over the log step. By forming a series of vertical falls, log steps reduce the amount of potential energy available for conversion to kinetic energy...
Resource Type:: Dissertation
Full Text:: by fire in 1936 after logging from 1921-35. The area frequency of debris torrents is 0.121 per square

ScholarsArchive@OSU

Streamside buffer strips : survival, effectiveness, and design

Fine organic debris and dissolved oxygen in streamed gravels in the Oregon Coast Range

Natural debris and logging residue within the stream environment

Mass wasting in forested mountain topography

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

Designing skid trail systems to reduce soil impacts from tractive logging machines

Comparative growth of supressed second-growth Douglas fir befor and after release by logging

Report of dam at Chitwood mill on Haxel Creek, a tributary of Thornton Creek

Designated skid trails minimize soil compaction

The geomorphic significance of log steps in forest streams of the Oregon Coast Range

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