This paper describes the results of a time-study conducted
near Grand Ronde, Oregon, to determine the production
rates and total harvesting costs of a cable thinning in a
young stand. The stand had a species mix of 48 percent
western hemlock (Tsuga. heterophylla- (Raf.) Sarg.), 45 percent
Douglas-fir (Pseudotsuga meuziesil...
In my application to the Marine Resource Management program I stated that it was ray intention to forge a new career by combining my training and experience as a Naval officer with an education in marine science. As my education at Oregon State progressed through the first year and I...
This report is a summary of my experience as an intern marine extension
agent with the Florida Marine Advisory Program (MAP) during the
winter of 1980. I contacted Marion Clarke, Florida MAP Coordinator,
about the possibility of "interning" with one of the marine extension
agents, so that I could develop...
This paper includes the proposed "Willamette River Greenway"
section of the Linn County Comprehensive Plan and "Criteria
and Standards for Greenway Development Permits," the proposed
implementing ordinance.
Industrial expansion in a small city can have
a wide range of effects upon the immediate community and
surrounding labor force area. One example of this is the
impact that Tektronix, a worldwide electronics firm, could
have on the City of Lebanon, Oregon, where a plant, initially
employing about 500...
Existing land use controls have not effectively achieved
the goals of resource protection and preservation. Prime agricultural
and potential open space lands are rapidly being diminished by
ever increasing pressures of development. The transfer of development
rights presents an opportunity to safeguard these vital lands.
The Boulder Valley would benefit...
This paper describes a computer program developed for the Hewlett
Packard 9830, which analyzes and computes costs and engineering
data for paper plan timber harvest road networks. The program will
accept up to 110 road segments. Each segment is analyzed individually
based on digitized data from a contour map and...
Annual flood damages continue to rise in the United
States in spite of massive investments in flood control structures
since 1936. These increased losses can be attributed, in part,
to the inherent Limitations in scope and nature of traditional
"structural" approaches to flood control. Acquisition of flood
plain lands is...
Efforts to directly control the amount and timing of residential
growth in Aumsville, Oregon, were unsuccessful in receiving approval
from the Land Conservation and Development Commission (LCDC) at a series
of public hearings in 1978. A review of the issues raised at the hearings
suggests LCDC supports the right of...
A hierarchical approach to the assessment of wind power site potential
at Prairie Peak, Oregon, is evaluated. Maps, aerial photographs,
and terrestrial photographs are utilized. Data are derived from photographs
of wind flagged trees with the aid of an interactive computer
program. The technique produces a map of isotachs, lines...
Data on motor carrier commodity weights collected in 1976
at Oregon weigh stations by the Public Utilities Commission and the
Department of Transportation are not in a form that readily allows
for commodity flow analysis. A methodology is presented that reduces
existing forest product commodity data into a graphically displayed...
The proposed widening of State Street between Lancaster
Avenue and 25th Street in Salem, Oregon was evaluated regarding potential
construction impacts on the biotic resources (vegetation, fish,
wildlife, and wetlands) in the immediate area. The existing setting
was surveyed to establish a base level from which to measure changes,
arid...
Cirque aspects and elevations in the major highlands of Oregon indicate a pattern of climate during the Pleistocene similar to that of today. Mean cirque floor elevation increases toward the drier interior. Concentrations of cirques facing northeast, and steep gradients of cirque floor trend surfaces to the southwest, indicate a...
Deforestation and accompanying environmental deterioration is a threat to the economic growth and to the survival of the Himalayan kingdom of Nepal . There is need for a comprehensive forest rehabilitation program tailored to the different conditions of the Terai plain, Middle Hills and the Highland Himalaya regions of the...
Factors affecting animal detection and identification
by remote sensing are compiled and described. Habitat preference
and animal behavior are shown to be the variables that most
influence detection and identification. An analysis of the
basis of application of thermal infrared sensors to animal
detection covering the principles of infrared radiation...
Agricultural field burning in Oregon's Willamette Valley
has been an accepted farming practice for sanitizing fields and removing
stubble and residues left on fields after harvest since the
early 1940s. Unfortunately, the smoke and debris created by the
burning in combination with other pollutants have been causing health
and environmental...
In the Pacific Northwest, loggers are faced with the problems of changing from logging old growth to second growth. This is due to the shrinking old growth timber supply and increased entry into the· second growth stands. Beuter (1 980) indicated that in western Oregon 70.2 percent by volume of...
The general problem of classroom scheduling is well known to be NP-complete. A typical classroom scheduling problem is that of assigning students to a limited number of pieces of laboratory equipment. Frequently several identical pieces of equipment are available only at fixed hours and have limited access due to physical...
There is much interest in the State of Vermont in cable harvesting. Since there are no time studies available for cable harvesting with various machines in Vermont, it is necessary to arrive at production and cost levels by a different method.
The method chosen for this paper is made up...
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...
Oregon's Special Farm Use Assessment program is investigated
in this paper for its effectiveness in preserving farmland from urban
sprawl. Basic research for this study was conducted in Jefferson
County, a rural central Oregon county. Data from a similar study conducted
in Washington County, an urbanizing northern Willamette Valley
county,...
The semantic differential technique was used to
quantify four interest groups' perceptions of twenty-six
Alaskan scenes. The scenes represented both panoramic views
and views of Mount McKinley from different sites in southcentral
Alaska. The perceptions were measured on six semantic
scales ("ugly-beautiful", "dislike-like", "unpleasantpleasant",
"unstimulating-stimulating", "level-mountainous",
and 'monotonous-varied"), and the...
Moire patterns have been identified by printers as
undesirable screen patterns caused by incorrect angling of
overprinted halftones. These patterns are being examined by
cartographers as a possible alternative to traditional methods
of producing patterned areas on maps. Map design guidelines
are needed before the use of moires can become...
Rapid increases in the recreational use of
the Lower Deschutes River Canyon threaten the quality
and diversity of downriver recreational experiences.
The concept of recreation experience management is
discussed and recreation experience management zones
for whitewater boating are delineated and described.
American railroads have faced a declining share of freight
traffic relative to other modes. Although a variety of reasons have been
identified for this decline, most experts agree that a contributing problem
is that the rail system is overdeveloped with unprofitable branchlines.
Many economic models have been utilized to analyze...
Quickersort, Straight Insertion Sort, Mehlhorn's AVL-tree Sorting Algorithm and Cook's new sorting algorithm are compared on nearly and nedium sorted lists. The ratio of the minimum number of list elements that must be removed so that the remaining portion of the list is in order to the size of the...
Studies of crowding in backcountry recreation areas
have generally shown that only a minor part of the total
variance in perceived crowding is explained by density and
interaction. This suggests that users of backcountry areas have
learned ways of coping with people in these settings, where one
of the major...
Corvallis has been growing steadily in terms of
population and functions of the city while the biotic resources
of the immediate environs have declined. This
study sought to examine land use changes of North Corvallis
rural-urban fringe area between 1963 and 1978 by interpreting
the changes from aerial photographs. The...
The intent of this paper is to determine the characteristics of the demand of United States consumers for Ghanian cocoa beans. Knowledge of the characteristics of this demand is important because cocoa is the major export commodity of Ghana and because the United States is the largest market for Ghanian...
Time study data was collected for two horsepower classes of rubber tired skidders from field operations controlled by Associated Pulp and Paper Mills, Ltd., Tasmania, Australia. A wide range of site and logging conditions were used to produce both production per hour and cycle time predictive equations.
The resultant equations...
This paper describes a methodology
developed for an inventory of historic resources.
Citizen participation is the key element. An
information network, designed to elicit local
impressions of important sites and buildings and
the historic themes they represent, is analyzed.
This methodology is compared with previous studies
to show that the...
An extension of the sensitivity analysis of linear programming, called parametric programming is used in determining optimal sawtimber logging system mix. The five logging systems under study are manual log-length, system, log-length processor and harvester systems, manual tree-length system and tree-length harvester system. In conditions where it is not exactly...
An analysis of forces on two tree intermediate supports is presented. The analysis is in two parts:
The maximum force that the support jack will experience. The movement and forces created in the two tree support by the skyline and carriage. The maximum force on the support jack occurs when...
This paper is divided in two parts: the first details technological and institutional developments in the shipping and port industry. The second part is a theoretical work which explores alternative ways to induce demand in the Honduras port system so as to increase the volume of cargo handled through its...
As a part of my graduate program in Marine Resource Management
(MRM) at Oregon State University, I was fortunate to be able to
pursue my interest in marine and coastal policy. I spent fifteen
months as a Sea Grant intern in the United States Congress, challenged
in ways I could...
A Willamette Valley farm cooperative was interested
in evaluating locations for their canning facilities based on
the criterion of minimizing aggregate distance to their contract
farms. This location problem presented an excellent opportunity
for a geographic application project as it was characterized by
one, a spatial distribution of farms and...
Increased demand for wood fiber has necessarily
increased the intensity of forest management in recent years.
In the Pacific Northwest the release of deciduous vegetation
following clearcutting of Douglas-fir is a major problem.
Herbicides which have been used in the past to control this
brush competition may no longer be...
This paper discusses the structure, rationale, and
application of a monitoring system specifically designed to
identify and record conversion of lands with Soil Conservation
Service Soil Capability Classes I-IV. Research methodology and
design are structured to objectively assess the rates of agricultural
land conversion to non-farm uses over a given...
Pleistocene glaciation in the upper elevations of the
Western Cascade Mountains took two characteristic forms: cirque and
valley glaciers. Field observations in the Neal Creek and Thomas
Creek drainage areas of Snow Peak provide evidence of three glacial
advances. Glacial landforms in the Neal Creek Valley are dominated
by a...
The purpose of this report is to briefly examine some of the laws
and regulatory programs which affect development in Oregon's estuaries
and their adjacent wetlands. Development, in this sense, includes
dredging, filling, bank stabilization, structures or other physical
alterations to an estuary.
This study evaluated the impact of using a rubber-tired skidder to keep the landing clear by sorting and decking the logs along the road prior to loading by a self-loading truck. The evaluation was accomplished through detailed time studies conducted on a Koller K-300 yarder, a Crown Super 3000 self-loader,...
The use of partial cutting in the western conifers has become popular in the last decade. This has resulted in an increase in the amount of damage to the residual stand due to skyline logging. The purpose of this study is to provide models to predict the percent of a...
Literature exploring the use of soil conservation
practices has generaly lacked a theoretical
framework. This study proposes a decision-making
model comprised of physical, personal, economic, and
institutional factors. Data from Monroe County,
Missouri, are used to test the hypothesized relationships
of explanatory variables to variations in nurnber
of practices used...
Land use regulation as a nonstructural method of flood
damage mitigation has proven to be a controversial measure due, among
other things, to suspected adverse impacts upon residential land values.
Little evidence, however, has been gathered to substantiate this claim.
This study attempts to analyze the relationship between flood plain...