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Filtering by: Decade 1970-1979 Remove constraint Decade: 1970-1979 Date issued sim 1978-06-09 Remove constraint Date issued sim: 1978-06-09

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Production rates of skyline, balloon, and helicopter yarding systems from gross time study analysis

Creator:

Curtis, Richard James

Abstract:

This paper describes the analysis of data from a three-year gross time study of skyline, balloon, and helicopter yarding systems operating in Western Oregon. Data collection activities were designed and supervised by the Pacific Northwest Forest and Range Experiment Station, U.S.D.A. Forest Service. The specific logging systems studied were running...

Resource Type:

Masters Thesis
Quantitative basin morphology and channel stability with reference to nonpoint sources of pollution in Evans Creek, Oregon

Creator:

Krupin, Paul J.

Abstract:

A Stream Reach Inventory and Channel Stability Evaluation procedure has been used to assess the nature and extent of erosional nonpoint sources of pollution in the Evans Creek basin, a tributary to the Rogue River, in southwestern Oregon. The study is based upon the results of the Oregon Department of...

Resource Type:

Masters Thesis
Finite amplitude deep water waves : a comparison of theoretical and experimental kinematics and dynamics

Creator:

Jensen, Robert E.

Abstract:

Problems associated with quantification of deep water wave kinematics and dynamics are examined. Summaries of Stokes' theory and Dean's stream function theory are reported. A computer algorithm is developed to solve the hydrodynamic characteristics for Stokes' fifth and third order and linear theories. Tests are initiated to verify the results...

Resource Type:

Masters Thesis
Women's clothing practices for specific occasions at age 65 or older as compared with recall of their practices in their 40's

Creator:

Cross, Charlotte Dianne Weaver

Abstract:

The elderly population in our society is increasing both in number and proportion, with the life expectancy of women increasing more than men. Their needs have been given increased attention in recent years. Many studies have been done on clothing for older women, but few have dealt with the older...

Resource Type:

Masters Thesis
The status of organic materials in several southern Willamette Valley grassland soils

Creator:

Laurent, Tom Edwin

Resource Type:

Masters Thesis
Effects of temperature and other abiotic and biotic factors on development and survival of the immature stages of the alfalfa leafcutting bee, Megachile pacifica (Panzer) (=rotundata (F.)) (Hymenoptera:Megachilidae)

Creator:

Undurraga O., Jaime M.

Abstract:

Larval mortality of leafcutting bee, Megachile pacifica (Panzer) (= rotundata (F.)), is high, usually exceeding 50%. Parasites and predators are not a limiting factor in the survival of the progeny. The disease chalk brood has been an important mortality factor since 1974. Inadequate food supply, pollen and nectar, may affect...

Resource Type:

Dissertation
Selected factors affecting the pattern of agricultural land conversion in Washington County, Oregon, 1963-1973

Creator:

Furuseth, Owen J., 1949-

Abstract:

In recent years the conversion of agricultural lands to more intensive non-rural land uses has become a focus of increasing public awareness and concern. The growing attention to farmland conversion is manifested in increasing public policies and legilsation to protect agricultural and forestry land uses. Nevertheless, our understanding of the...

Resource Type:

Dissertation
A comparison of men and women vocational educators' present and expected levels of work satisfaction as related to selected work values

Creator:

Tremain, June Ellen

Resource Type:

Dissertation
Toward a continuous culture of bumble bees (Bombus Latr.)

Creator:

Seibert, Thomas Floyd

Abstract:

Out of 53 queens captured for initiating colonies in the laboratory, 33 laid eggs (62 percent), 29 of these produced colonies (55 percent), and 14 produced queens (26 percent). A behavioral model depicts the activities of queens from spring emergence through colony development. A discussion of its application to bumble...

Resource Type:

Masters Thesis
Older and younger students, full-time and part-time : a comparison of their perceptions of the campus environment at Oregon College of Education

Creator:

Yates, Douglas Page

Abstract:

Older and part-time students are enrolling in institutions of higher education in increasing numbers, yet little research has been conducted to see if these students perceive the campus environment differently from younger, full-time students. The purpose of this study was to compare the perceptions of the college environment of four...

Resource Type:

Dissertation

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Academic Affiliation

Agriculture and Resource Economics2
Entomology2
Forest Engineering2
Geography2
Agricultural Engineering1
more Academic Affiliations »

Advisor

Beschta, Robert L.1
Dykstra, Dennis P.1
Eisgruber, Ludwig M.1
Grigsby, Thomas E.1
Miner, J. Ronald1
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1978 to 1979

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Committee Member

Simmons, Dale2
Anderson, N. H.1
Berry, R. E.1
Burgett, Michael1
Chilcote, William1
more Committee Members »

Creator

Chong, Kee Chai1
Cross, Charlotte Dianne Weaver1
Curtis, Richard James1
Furuseth, Owen J., 1949 1
Jensen, Robert E.1
more Creators »

Date

197815

Decade

1970-1979[remove]15

Degree Field

Agricultural and Resource Economics2
Entomology2
Forest Engineering2
Geography2
Agricultural Engineering1
more Degree Fields »

Degree Level

Master's10
Doctoral5

Degree Name

Master of Science (M.S.)8
Doctor of Philosophy (Ph.D.)3
Doctor of Education (Ed.D.)2
Master of Forestry (M.F.)1
Master of Ocean Engineering (M.Oc.E.)1

Language

English [eng]15

Non-Academic Affiliation

Oregon State University. Graduate School14

Peer Reviewed

No13

Resource Type

Masters Thesis10
Dissertation5

Rights Statement

Copyright Not Evaluated12
In Copyright3

Subject

Alfalfa leafcutting bee1
Balloon logging -- Mathematical models1
Bumblebees1
Clothing and dress1
Fishery processing -- Oregon1
more Subjects »

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