Index Catalog // ScholarsArchive@OSU

Delineating pattern and process in tropical lowland : mealy parrot migration dynamics as a guide for regional conservation planning

Creator:: Bjork, Robin D.
Abstract:: Most reserves fail to capture the habitat heterogeneity necessary to maintain viable populations of wide-ranging species. Methods to determine defensible dimensions of reserves and reserve networks are needed. The primary goal of this study was to develop such methods for lowland tropical forests by examining habitat- and spatial-use patterns of...
Resource Type:: Dissertation

Characterization of biochemical, functional properties, and market potential of Pacific whiting fish sauce

Creator:: Tungkawachara, Somjintana
Abstract:: Biochemical properties, functional properties, and market potential of Pacific whiting (PW) fish sauce were investigated. Biochemical properties of fish sauce made from whole fish (W) and a mixture (1:1) of whole fish and surimi byproducts (WB) were compared. Market potential was evaluated through phone interviews and consumer panelists. Proteolysis was...
Resource Type:: Dissertation

Blue whale (Balaenoptera musculus) vocalizations recorded in the North Pacific Ocean : geographic, seasonal and diel variation

Creator:: Stafford, Kathleen Mary
Resource Type:: Dissertation

Tools for environmental statistics : creative visualization and estimating variance from complex surveys

Creator:: Courbois, Jean-Yves Pip
Abstract:: Environmental monitoring poses two challenges to statistical analysis: complex data and complex survey designs. Monitoring for system health involves measuring physical, chemical, and biological properties that have complex relations. Exploring these relations is an integral part of understanding how systems are changing under stress. How does one explore high dimensional...
Resource Type:: Dissertation

F-tests in partially balanced and unbalanced mixed linear models

Creator:: Utlaut, Theresa L.
Abstract:: This dissertation considers two approaches for testing hypotheses in unbalanced mixed linear models. The first approach is to construct a design with some type of structure or "partial" balance, so that some of the optimal properties of a completely balanced design hold. It is shown that for a particular type...
Resource Type:: Dissertation

Behavioral ecology of marbled murrelets (Brachyramphus marmoratus) in forest and marine ecosystems of Oregon

Creator:: Jodice, Patrick G. R., 1961-
Abstract:: Marbled Murrelets (Brachyramphus marmoratus) are threatened seabirds that are prone to disturbance both at sea and at old-growth forest nesting areas. I examined murrelet behavior and activity patterns in forest and marine ecosystems of Oregon. Diving behavior was studied during the 1995 and 1996 breeding seasons and was compared to...
Resource Type:: Dissertation

Bottom-up and top-down forces in tidepools : the influence of nutrients, herbivores, and wave exposure on community structure

Creator:: Nielsen, Karina Johanna
Abstract:: The relationship between nutrients and community structure is poorly understood in open-coast habitats. I created a system of artificial tidepools, of identical age and physical dimensions, at two sites that differed in wave exposure, and manipulated nutrient levels and the abundance of herbivores. Using these unique field mesocosms, I explored...
Resource Type:: Dissertation

Pharmacokinetic analysis of antimicrobials in llamas with theoretical applications

Creator:: Al-Ghazawi, Mutasin
Resource Type:: Dissertation

The stability of pelargonidin-based anthocyanins in natural and model systems

Creator:: Garzon, G. Astrid
Abstract:: Pelargonidin 3-glucoside (pgd 3-glu), pelargonidin 3-sophoroside (pgd 3-soph), and pelargonidin 3-sophoroside 5-glucoside acylated with cinnamic and malonic acids (acyl-pgd 3-soph 5-glu) were extracted from strawberries (Fragaria anannassa cv, Totem), nasturtium flowers (Tropaeolum majus), and radish peel (Raphanus sativus L. cv, fuego), respectively. Their stability was studied in natural and model...
Resource Type:: Dissertation

Selecting donor inbred lines for enhancing the performance of single-cross hybrids from key heterotic groups of oilseed sunflower (Helianthus annuus L.)

Creator:: Cheres, Mercy Tuiya
Resource Type:: Dissertation

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

Creator:: Pennello, Gene A.
Resource Type:: Dissertation

Disaggregative and individual-tree growth models in theory and application

Creator:: Ritchie, Martin W.
Abstract:: Disaggregative and individual-tree/distance-independent modeling methods are compared and contrasted. Differences between the two are related to differences in functional and apparent resolution and may be illustrated using aggregation theory. When considering models of different levels of resolution describing a given phenomenon, invariance with respect to the aggregation implied (symmetry) may...
Resource Type:: Dissertation

Particle selection for tube building and the stabilization of sediments by Leptochelia dubia (Crustacea, Tanaidacea): interactions with bacteria and microalgae

Creator:: Krasnow, Lynne D.
Resource Type:: Dissertation

Diagnostic tools for overdispersion in generalized linear models

Creator:: Ganio-Gibbons, Lisa M.
Abstract:: Data in the form of counts or proportions often exhibit more variability than that predicted by a Poisson or binomial distribution. Many different models have been proposed to account for extra-Poisson or extra-binomial variation. A simple model includes a single heterogeneity factor (dispersion parameter) in the variance. Other models that...
Resource Type:: Dissertation

The ecological and behavioral dynamics of breeding in three sympatric anuran amphibians

Creator:: Olson, Deanna H.
Abstract:: Breeding ecology and behavior were investigated in a field study of three sympatric anuran amphibians in the Oregon Cascade Mountains: the western toad (Bufo boreas), the Cascades frog (Rana cascadae) and the Pacific treefrog (Hyla regilla). A comprehensive study of the western toad mating system was conducted at three populations...
Resource Type:: Dissertation

Succession and stability in two rocky intertidal communities on the central Oregon coast

Creator:: Farrell, Terence M.
Abstract:: The stability of a limpet-dominated community was assessed in a experiment in which an consumer was temporarily removed. Compared to unmanipulated plots, the limpet-exclusion plots developed greater algal abundance and altered species composition of both algae and barnacles. The community was not perturbed beyond its capacity to recover, since the...
Resource Type:: Dissertation

A market oriented approach to energy conservation identifying disadvantaged families as target groups for energy assistance programs

Creator:: Marganus, Martin
Abstract:: Energy expenditures, perceived family well being, and energy conservation actions were analyzed by family composition and level of income. Data were from a three state subsample (Arizona, Colorado, and Oregon; N = 2,633) of a larger stratified random sample of households in the Western United States. Data were collected in...
Resource Type:: Dissertation

The response of Oregon shelf waters to wind fluctuations : differences and the transition between winter and summer

Creator:: Sobey, Edwin J. C., 1948-
Abstract:: The physical characteristics of continental shelf waters off Oregon during late winter and spring of 1975 are described and compared with observations taken previously during summer. The currents in winter are barotropic in the monthly means while in summer the currents are baroclinic. Alongshore current fluctuations on the time scale...
Resource Type:: Dissertation

ScholarsArchive@OSU

Delineating pattern and process in tropical lowland : mealy parrot migration dynamics as a guide for regional conservation planning

Characterization of biochemical, functional properties, and market potential of Pacific whiting fish sauce

Blue whale (Balaenoptera musculus) vocalizations recorded in the North Pacific Ocean : geographic, seasonal and diel variation

Tools for environmental statistics : creative visualization and estimating variance from complex surveys

F-tests in partially balanced and unbalanced mixed linear models

Behavioral ecology of marbled murrelets (Brachyramphus marmoratus) in forest and marine ecosystems of Oregon

Bottom-up and top-down forces in tidepools : the influence of nutrients, herbivores, and wave exposure on community structure

Pharmacokinetic analysis of antimicrobials in llamas with theoretical applications

The stability of pelargonidin-based anthocyanins in natural and model systems

Selecting donor inbred lines for enhancing the performance of single-cross hybrids from key heterotic groups of oilseed sunflower (Helianthus annuus L.)

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

Disaggregative and individual-tree growth models in theory and application

Particle selection for tube building and the stabilization of sediments by Leptochelia dubia (Crustacea, Tanaidacea): interactions with bacteria and microalgae

Diagnostic tools for overdispersion in generalized linear models

The ecological and behavioral dynamics of breeding in three sympatric anuran amphibians

Succession and stability in two rocky intertidal communities on the central Oregon coast

A market oriented approach to energy conservation identifying disadvantaged families as target groups for energy assistance programs

The response of Oregon shelf waters to wind fluctuations : differences and the transition between winter and summer

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