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Assessment of impacts of Canada geese on wheat production

Creator:: Louhaichi, Mounir
Abstract:: Numbers of wild Canada geese (Branta canadensis) have increased dramatically during the past 30 years in the lower Columbia and Willamette Valley systems. The damage they cause by grazing and trampling plants can be substantial. The objectives of this research were to: 1) Develop methods that provide reliable estimates of...
Resource Type:: Masters Thesis
Full Text:: Department), Dr. David Thomas (Statistics Department), and Dr. Philip Jackson (Geosciences Department

Evaluation of alternate surfacing systems for temporary and intermittent use roads

Creator:: Takallou, Mojtaba B.
Abstract:: The purpose of this study was to provide the USDA-Forest Service, Bureau of Land Management (BLM), and other agencies or industries that may deal with temporary and intermittent use roads with the necessary background information for the identification, economic evaluation, and selection of the alternate surfacing systems and to determine...
Resource Type:: Dissertation
Full Text:: Surfacing Systems for Temporary and Intermittent Use Roads. Abstract approved: Robert D. Lay The purpose

Parental attitudes, home environment, and the cognitive ability of Korean kindergarten children

Creator:: Cho, Bokhee
Abstract:: This study examined the relationships among authoritarian parental attitudes, home environments, parental attitudes toward the children's freedom, and the cognitive performances of kindergarten children. Socioeconomic status of the family and sex of child and parent differences were also examined. Subjects consisted of 73 pairs of Korean parents and their children....
Resource Type:: Dissertation
Full Text:: approved Redacted for Privacy Dr. David Andrews This study examined the relationships among authoritarian

Spatial and temporal variations in sediment accumulation in the central tropical Pacific

Creator:: Murray, David W. (David William), 1956-
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF David W. Murray for the degree of

Multiple comparisons for the balanced two-way factorial : an applied Bayes rule (k-ratio) approach

Creator:: Pennello, Gene A.
Resource Type:: Dissertation
Full Text:: : David B. Duncan The k-ratio approach to the multiple comparisons of means (MCM) problem is extended

Land surface energy balance and surface soil moisture variation in HAPEX-MOBILHY

Creator:: Nichols, William E.
Abstract:: The HAPEX-MOBILHY regional experiment provided an significant opportunity to analyze the partition of energy and distribution of water over land surfaces. The combination of remotely sensed data and ground instrument networks over the large-scale in situ experiment allowed investigation of spatial and temporal variation of such hydrologic parameters as the...
Resource Type:: Masters Thesis
Full Text:: radiation (R. D. Jackson et al., 1987; see Section 2.2.2.3, Soil Heat Flux). 2.2.2 Multispectral Remote

Schedule-based material requirements planning : an artificial intelligence approach

Creator:: Kim, Sunuk
Abstract:: The objective of this research project was to identify the limitations associated with schedule-based Material Requirements Planning (SBMRP) and to present a knowledge-based expert system (KBES) approach to solve these problems. In SBMRP, the basic strategy is to use backward or forward scheduling based on an arbitrary dispatching rule, such...
Resource Type:: Dissertation
Full Text:: gratitude is extended to my graduate committee members, Dr. David Ull- man, Dr. Robert Safford, and Dr

Relationship between pore size, particle size, aggregate size and water characteristics

Creator:: Wu, Laosheng
Abstract:: Soil pore size distribution and water characteristics are important for water storage, water movement, and soil-plant interaction studies. Laboratory determinations of water characteristics and pore size distribution are time consuming and costly. Investigators have proposed many models to predict them from routinely available data. Most of the models are related...
Resource Type:: Masters Thesis
Full Text:: equation d pore = R x d x , where R x is the ratio coefficient of pore diameter to the diameter of

Development of a mechanistic overlay design procedure for flexible pavements

Creator:: Zhou, Haiping
Abstract:: This dissertation describes the development of a mechanistic overlay design procedure. The mechanistic analysis represents a new trend in both new pavement and overlay design. The greatest advantage of the mechanistic pavement analysis is that it considers the fundamental characteristics of materials to be used, is capable of considering changes...
Resource Type:: Dissertation
Full Text:: Department of Civil Engine97ng Redacted for Privacy Dean of School d Date thesis is presented March 12

Identification of restoration potential on southwestern Oregon rangelands

Creator:: Barrington, Mack R.
Abstract:: The objectives of this research were to 1) evaluate the establishment and peak standing crop of Berber Orchardgrass (Dactylis glomerata var. "Berber"), Palestine Orchardgrass (Dactylis glomerata var. "Palestine"), and Sheep Fescue (Festuca ovina var. "Covar") ; 2) to assess establishment and production changes resulting from environmental gradients (elevation, slope, aspect,...
Resource Type:: Dissertation
Full Text:: treatment arrangement on each site. Seeded treatments received both chemical (Glyphosate, Hoelon, and 2,4-D

ScholarsArchive@OSU

Assessment of impacts of Canada geese on wheat production

Evaluation of alternate surfacing systems for temporary and intermittent use roads

Parental attitudes, home environment, and the cognitive ability of Korean kindergarten children

Spatial and temporal variations in sediment accumulation in the central tropical Pacific

Multiple comparisons for the balanced two-way factorial : an applied Bayes rule (k-ratio) approach

Land surface energy balance and surface soil moisture variation in HAPEX-MOBILHY

Schedule-based material requirements planning : an artificial intelligence approach

Relationship between pore size, particle size, aggregate size and water characteristics

Development of a mechanistic overlay design procedure for flexible pavements

Identification of restoration potential on southwestern Oregon rangelands

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