Index Catalog // ScholarsArchive@OSU

Heat and mass transfer in Kroll process titanium sponge during salt evaporation

Creator:: Hill, S. D.
Abstract:: Laboratory experiments were conducted to study those factors which control the rate at which salts, such as magnesium chloride and sodium chloride, are removed from titanium sponge. The sponge was prepared by reducing titanium tetrachloride with either magnesium or sodium, and the resulting sponge salt mixtures were treated by vacuum...
Resource Type:: Dissertation
Full Text:: Heat and mass transfer in Kroll process titanium sponge

Magnetotelluric Studies of Tectonic Systems and Volcanic Areas of North America

Creator:: Bowles-Martinez, Esteban
Abstract:: Magnetotellurics is used in two geologic settings on scales ranging from 1000-km tectonic structures to local features hundreds of meters wide. These areas are the Midcontinent Rift System (MRS) and its related mantle plume in the northern Midwestern United States and Newberry Volcano in central Oregon. The MRS study uses...
Resource Type:: Dissertation
Full Text:: America Abstract approved: ______________________________________________________ Adam

A theoretical study of the radiative contribution to heat transfer between a high-temperature, large-particle gas-fluidized bed and an immersed tube

Creator:: Mahbod, Bahram
Abstract:: An analytical model of the radiative contribution to the total heat transfer between a large-particle (greater than 1 mm) gas-fluidized bed and an immersed horizontal tube is discussed. The model is applied to the case of a bubbling bed and the emulsion phase contribution is obtained from a detailed analysis...
Resource Type:: Dissertation
Full Text:: : Redacted for Privacy .---- Ronald L. Adams An analytical model of the radiative contribution to the total

An analytical model of radiative and convective heat transfer in small and large particle gas fluidized beds

Creator:: Fatani, Abdulhadi Ahmed
Abstract:: A complete analytical model of radiative and convective heat transfer to a horizontal tube in small and large particle gas fluidized beds has been developed. In the model the bed of particles consists of an emulsion phase and a bubble phase. The emulsion phase is approximated by a series of...
Resource Type:: Dissertation
Full Text:: Fluidized Beds Abstract approved: Redacted for privacy Ronald L. Adams A complete analytical model of

Numerical modeling of the hydrodynamics of gas fluidized beds

Creator:: Wang, Yusan
Abstract:: This research involves a numerical study of the hydrodynamics of gas fluidized beds. We use the continuum model, treating both gas and particles as interpenetrating continua. The motion of gas and particles is strongly coupled by the interactions between them. For simplicity, we only consider drag forces. We use MacCormack's...
Resource Type:: Dissertation
Full Text:: Ml • 1 0.1 2> ucr M -JS 01 WH -J nen H Ul 1 O it «l ft Xh 1 M HO AI H| 6i U hO ff»l 1 1 1 1

An experimental and analytical study of the internal fluid dynamics of an ink-jet printhead

Creator:: Elger, D. F.
Resource Type:: Dissertation
Full Text:: Abstract approved: Ronald L. Adams An experimental and analytical study of the internal fluid dynamics

An experimental investigation of radiative and total heat transfer around a horizontal tube immersed in a high temperature gas-solid fluidized bed

Creator:: Alavizadeh, Seyed Nasser
Abstract:: This study is primarily concerned with the measurement of the local radiative component of total heat transfer around a horizontal tube immersed in a large particle fluidized bed at elevated temperatures.Total heat transfer was also measured in order to assess the relative radiation contribution.The radiation measurement probe employs a silicon...
Resource Type:: Dissertation
Full Text:: approved: Redacted for privacy Ronald L. Adams This study is primarily concerned with the measurement of

Relative effectiveness of three instructional strategies on the learning of an overarm throw for force

Creator:: Adams, Deborah Lee
Abstract:: This study investigated the relative effectiveness of three instructional strategies on the learning of an overarm throw among preadolescent females. Subjects were randomly assigned to one of the following instructional strategies: a correct model supplemented with verbal cues, a learning model supplemented with verbal cues, and verbal cues only. The...
Resource Type:: Dissertation
Full Text:: the learning of an overarm throw for force AN ABSTRACT OF THE THESIS OF Deborah L. Adams for the

An analysis of technical efficiency and productivity growth in the Pacific Northwest sawmill industry

Creator:: Helvoigt, Ted L.
Abstract:: The objective of this project was to investigate technical efficiency and productivity growth in the Pacific Northwest sawmilling industry over the period 1968-2002. Productivity growth was decomposed into three components: technical change, efficiency change, and scale efficiency change. In addition, using econometric methods, changes in output elasticities and input substitution...
Resource Type:: Dissertation
Full Text:: THE THESIS OF Ted L. Helvoigt for the degree of Doctor of Philosophy in Forest Resources presented

Nanotheraputic Platforms to address Chemotherapeutic Challenges in Breast and Ovarian Cancer Treatment

Creator:: Al Fatease, Adel
Abstract:: Utilizing nanocarrier based drug delivery for improving the magnitude of efficacy of chemotherapeutic agents in many diseases has acquired more attention in research applications. It has shown promising results in both preclinical and clinical trials. The Food and Drug Administration (FDA) has approved many of these polymeric carriers, and tens...
Resource Type:: Dissertation
Full Text:: Adam W.G. Alani Utilizing nanocarrier based drug delivery for improving the magnitude of

Modeling abiotic influences on disease dynamics for the complex life cycle of the myxozoan parasite Ceratomyxa shasta

Creator:: Ray, Robert Adam
Abstract:: Most parasites and their hosts live in a balance within their environment; however a disease outbreak can occur when either the parasite, host, or environment, are perturbed. Myxozoan parasites are associated with a wide variety of cultured and wild fish populations. Most myxozoans are relatively benign to their vertebrate host;...
Resource Type:: Dissertation
Full Text:: . AN ABSTRACT OF THE DISSERTATION OF Robert Adam Ray for the degree of Doctor of Philosophy in

Quantitative epidemiology of stripe rust (Puccinia striiformis West.) in wheat cultivars (Triticum aestivum Vill.) with general resistance

Creator:: Young, Stanford Adams
Resource Type:: Dissertation
Full Text:: . Robert L. Powelson Stripe rust (Puccinia striiformis West.) resistance in wheat which does not allow

Development of thermosensitive injectable hydrogel and transdermal controlled release formulations for Tacrolimus

Creator:: Nguyen, Duc X.
Abstract:: TAC is the most commonly used medication in post transplantation maintenance immunosuppression therapy. TAC lipophilicity and its erratic oral absorption especially in the presence of food intake result in great intra- and interpatient pharmacokinetic variations. Complicated dosing and frequent required therapeutic monitoring is thought to be the main cause of...
Resource Type:: Dissertation
Full Text:: Adam W. G. Alani TAC is the most commonly used medication in post transplantation maintenance

Optimization of cryoprotectant addition and removal procedures for vitrification of adherent mammalian cells

Creator:: Fry Davidson, Allyson
Abstract:: Cryopreservation of adherent cells may be advantageous for cell types that are difficult to preserve in suspension or when it is necessary to preserve characteristics of the adherent cultured cells. Vitrification is a promising procedure for the preservation of adherent cells that prevents ice crystal formation and the resulting dissociation...
Resource Type:: Dissertation
Full Text:: Adam Z. Higgins Cryopreservation of adherent cells may be advantageous for cell types that are

Crystal Records of the Origin, Evolution, and Thermal Histories of Magmas

Creator:: Bradshaw, Richard W., 1985-
Abstract:: In volcanic systems, magma is generally stored in the shallow crust prior to eruption. The conditions of this storage directly impact whether the magma eventually erupts, or crystallizes within the crust to form a pluton. In this dissertation I present four studies that investigate the storage conditions of a number...
Resource Type:: Dissertation

Farm level response to agricultural effluent control strategies : the case of the Willamette Valley

Creator:: Taylor, Michael L. (Michael Lester), 1960-
Abstract:: Changes in the structure of the U.S. agricultural industry since World War II have transformed it into a highly productive component of the domestic economy. But these changes have not occurred without indirect costs. For example, the reliance on agricultural chemicals has produced environmental effects causing growing concern. In addition,...
Resource Type:: Dissertation
Full Text:: Abstract approved: AN ABSTRACT OF THE THESIS OF Michael L

The origin of mid-ocean ridge basalts : insights from trace element contents in anorthite, anorthite-hosted melt inclusions, and ocean core complexes

Creator:: Weinsteiger, Allison B.
Abstract:: The primary goal of this study is to access the processes that alter primary melts after segregation from a mantle source and ultimately form petrologic Layers 2 and 3 of the Ocean Crust. Mineral, melt inclusion, and whole rock chemical compositions are utilized to further the understanding of 1) the...
Resource Type:: Dissertation
Full Text:: : ________________________________________________________________________ Adam J.R. Kent Roger L. Nielsen The primary goal of this study is to access

Controls on eruption style and magma compositions at Mount Hood, Oregon

Creator:: Koleszar, Alison M.
Abstract:: This study is an effort to characterize the magma sources, plumbing system, and eruptive behavior of Mount Hood, a low-explosivity recharge-dominated volcano in the Oregon Cascades. The three manuscripts in this dissertation make use of melt inclusion data, phenocryst compositions, and whole rock petrology and geochemistry to build a schematic...
Resource Type:: Dissertation
Full Text:: : Adam J. R. Kent This study is an effort to characterize the magma sources, plumbing system, and

The Deschutes Formation: evidence of extension-enhanced explosivity in the early High Cascades

Creator:: Pitcher, Bradley W.
Abstract:: The eruptive history of the Quaternary Cascades arc has been relatively well characterized. However, much less is known about the frequency and sizes of explosive eruptions produced by earlier stages of the arc. The Late Neogene Deschutes Formation of Central Oregon preserves a remarkable record of heightened pyroclastic activity during...
Resource Type:: Dissertation
Full Text:: Abstract approved: ______________________________________________________ Adam J.R. Kent The

The economics of carbon sequestration in western Oregon forests

Creator:: Im, Eun Ho
Abstract:: This study considered regional forest policies for sequestering carbon in existing forests in western Oregon. A model of log markets in western Oregon was employed to examine the impacts of forest policy changes on future carbon stock, harvests, and management activities. A carbon tax program, as a mitigation option for...
Resource Type:: Dissertation

An econometric model of hardwood lumber and stumpage markets in the United States

Creator:: Lange, William J.
Abstract:: Two econometric models were developed to forecast consumption, production, and price of hardwood lumber, and removals and price of hardwood sawlog stumpage. Four eastern U.S. regions were represented in the models. Hardwood lumber consumption by manufacturing, shipping, residential construction, and nonresidential construction industries was recognized. Hardwood sawlog stumpage removals from...
Resource Type:: Dissertation

Genetic variation in phenology of bud and cambial activity in coastal Douglas-fir (Pseudotsuga menziesii var. menziesii (Mirb.) Franco)

Creator:: Li, Peng, 1961-
Abstract:: Growth phenology (i.e., timing of growth initiation and cessation) is important to adaptation. This study examined the extent of genetic control of bud and cambial phenology and their relationships with stem growth in pole-size Douglas-fir (ages 13 to 16 years) from 60 open-pollinated families. The availability of bud phenology data...
Resource Type:: Dissertation

Short-term relationship of timber management and Pacific giant salamander populations, and the response of larval stream amphibian to predators under differing sediment levels

Creator:: Leuthold, Niels C.
Abstract:: In the Pacific Northwest, multiple studies have found negative effects of timber harvest on stream amphibians, but the results have been highly variable and region-specific. In this collection of studies, I examined the short term effect of timber harvest using a field study, and used lab work to examine a...
Resource Type:: Dissertation
Full Text:: and Kroll 2009). Several studies have found a negative correlation between timber harvest and stream

Taxonomy and evolution of the Orthotyline genus Lopidea (Heteroptera: miridae)

Creator:: Asquith, Adam
Abstract:: The genus Lopidea Uhler is revised for America north of Mexico. The relationship of Lopidea to other orthotyline genera is discussed and it is proposed that the genus Ilnacora Reuter is the sister group of Lopidea. Forty-eight species of Lopidea are recognized in North America, one of which is described...
Resource Type:: Dissertation
Full Text:: (Heteroptera: miridae) AN ABSTRACT OF THE THESIS OF Adam Asquith for the degree of Doctor of Philosophy in

Biodiversity Responses in Early Seral Forests of the Klamath-Siskiyou: Comparisons with Birds, Bees, and Ground Beetles among Post-fire, Salvage Logging, and Intensive Forest Management Environments

Creator:: Frank, Graham S.
Abstract:: Early seral forests regenerating from stand-replacing disturbances provide unique habitat for many species in productive, temperate forest landscapes and contribute to supporting biodiversity. Population declines in some species associated with early seral forests have prompted concerns about the conservation of these habitats, particularly the characteristic structural and compositional complexity associated...
Resource Type:: Dissertation
Full Text:: graduate committee (Drs. Matt Betts, AJ Kroll, Jim Rivers, David Bell, Matt Powers) and other co-PIs on

The role of the homeodomain transcription factor Pitx2 in regulating skeletal muscle precursor migration and higher order muscle assembly

Creator:: Campbell, Adam L.
Abstract:: Cells of the ventrolateral dermomyotome delaminate and migrate into the limb buds where they give rise to all muscles of the limbs. The migratory cells proliferate and form myoblasts, which withdraw from the cell cycle to become terminally differentiated myocytes. The regulatory mechanisms that control the later steps of this...
Resource Type:: Dissertation
Full Text:: -AN ABSTRACT OF THE DISSERTATION OF Adam L

Characterization of Baculovirus genes involved in genome replication and processing

Creator:: Vanarsdall, Adam L.
Abstract:: The Baculoviridae comprise a diverse group of occluded DNA viruses that contain large double-stranded DNA genomes of 80 - 180 kb and may encode up to 180 gene products. To understand how baculoviruses replicate and process their genomes and the gene products that are involved in these events, a series...
Resource Type:: Dissertation
Full Text:: in genome replication and processing.doc 2 AN ABSTRACT OF THE THESIS OF Adam L

Investigation of Chain Extension Approaches for the Stereoselective Reagent-Controlled Synthesis of alpha-Heteroatom Substituted Alkyl Boronic Esters

Creator:: Barsamian, Adam L.
Abstract:: Two distinct strategies were explored for the enantioselective synthesis of α-heteroatom substituted alkyl boronic esters by stereoselective reagent-controlled homologation using transient chiral carbenoid reagents CHYMX (Y = heteroatom, X = nucleofuge, M = electrofuge). In the first case, a stereospecific reagent-controlled homologation (sStReCH) approach to α-alkoxyalkylboronates using α-metalated S,O- and...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Adam L. Barsamian for the degree of Doctor of Philosophy in

A comparative analysis of three approaches to in-service education designed to change the behavior of classroom teachers in the social studies (K-12)

Creator:: Adams, Warren Samuel
Abstract:: The purpose of this study was to determine the effectiveness of an in-service project for teachers of the social studies (K-12). The project was sponsored by the Region II Committee of the Oregon Council for Curriculum and Instruction (O.C.C.I.) during the period from November 1, 1966 to April 1, 1969....
Resource Type:: Dissertation
Full Text:: Hall, Dr. William Crooks, Dr. Albert Lee land, Dr. Lester Beals, and Dr. R. L. Powelson for their

Structure and Actuation of Cephalopod-Inspired Soft Robots

Creator:: Olson, Gina M.
Abstract:: Cephalopod-inspired soft robot arms have been studied as a new type of manipulator. These arms have been proposed for reach and grab tasks, underwater locomotion via swimming and walking, and robotic surgery. However, the capabilities of existing soft arms are limited to simple motions and light loads. Arm design has...
Resource Type:: Dissertation
Full Text:: Callen Votzke and Professor Ross L. Hatton. I was also lucky enough to work with four amazing

Environmental effects on heartwood extractive content and their consequences for natural durability in Douglas-fir and western redcedar

Creator:: Taylor, Adam McVaugh, 1969-
Abstract:: Heartwood can have properties that are distinct from sapwood, including resistance to insect and microbial attack. Despite the practical importance of heartwood formation in trees, a review of the literature revealed that little was known about the effects of environmental factors on heartwood quality or how variations in heartwood properties...
Resource Type:: Dissertation
Full Text:: DURABILITY: A REVIEW Adam M. Taylor Barbara L. Gartner Jeffrey J. Morrell Wood and Fiber Science One

The role of subduction fluids in generating compositionally diverse basalts in the Cascadia subduction zone

Creator:: Rowe, Michael C.
Abstract:: The primary goal of this study is to assess the impact of a subduction component added to the mantle wedge beneath the Oregon Cascades to the composition and fO2 of primitive Cascade basalts. Olivine-hosted melt inclusions from compositionally diverse basalts across the Cascade arc (~100 km) are utilized in an...
Resource Type:: Dissertation

Scaling of Hyporheic Exchange Processes and Finding the Intermediate Sweet Spot

Creator:: Becker, Paige Sheridan
Abstract:: Hyporheic zones are important regions that reside below and along the sides of streams. Within this region, several ecosystem services are provided including stream temperature regulation, habitats for a large variety of species, pollutant removal, and nutrient cycling. Exchange between the hyporheic zone and stream occurs across multiple scales, but...
Resource Type:: Dissertation
Full Text:: approved: ______________________________________________________ Adam Scott Ward Hyporheic zones are

Improving the post-thaw processing of cryopreserved red blood cells using a combined approach of mathematical modeling and microfluidics

Creator:: Lusianti, Ratih E.
Abstract:: This study lays the groundwork on potential techniques that could be employed to improve the post-thaw wash processing of cryopreserved human red blood cells. Transfusion of red blood cells is one of the most commonly practiced procedures in clinical medicine. Millions of red blood cell units are transfused to patients...
Resource Type:: Dissertation
Full Text:: . Abstract approved: ____________________________________________________ Adam Z. Higgins This

Economic modeling of tropical deforestation in Antioquia (Colombia), 1980-2000 : an analysis at a semi-fine scale with spatially explicit data

Creator:: Orrego, Sergio A.
Abstract:: This dissertation used land rent theory and an economic model of land-use conversion to examine the main drivers of the deforestation occurred in Antioquia,Colombia, between 1980 and 2000. Land-cover information at a semi-fine scale (1:25,000) obtained largely from aerial photography was employed to calculate deforestation. In addition, free international databases...
Resource Type:: Dissertation

Essays on the economics of wildlife management

Creator:: Rashford, Benjamin S.
Abstract:: Wildlife managers are on the front lines of the effort to conserve wildlife and are required to do so cost-effectively. This dissertation consists of three manuscripts that integrate economics and ecology to inform cost-effective wildlife management. The first and second manuscripts focus on identifying cost-effective wildlife management plans. The third...
Resource Type:: Dissertation

The accuracy, applicability and transferability of contingent valuation measures for nonmarket goods

Creator:: Berrens, Robert Patrick, 1962-
Abstract:: Despite several decades of research developments, the survey-based contingent valuation (CV) method remains one of the most controversial topics in environmental economics. As the procedure matures and more applied studies are completed, there is increasing pressure to make the results policy relevant. This research is composed of three distinct yet...
Resource Type:: Dissertation

Coordination for Scalable Multiple Robot Planning Under Temporal Uncertainty

Creator:: Marcon dos Santos, Gilberto
Abstract:: This dissertation incorporates coalition formation and probabilistic planning towards a domain-independent automated planning solution scalable to multiple heterogeneous robots in complex domains. The first research direction investigates the effectiveness of Task Fusion and introduces heuristics that improve task allocation and result in better quality plans, while requiring lower computational cost...
Resource Type:: Dissertation

Nanomedicine Drug Delivery for the Treatment of Lymphatically Metastasizing Cancers

Creator:: Cote, Brianna M.
Abstract:: Nearly 80% of solid tumors, such as melanoma, metastasize via the lymphatic system. The most common form of melanoma is BRAF-mutant melanoma, and additional mutations, such as a PTEN mutation in the PI3K pathway, is required for metastases to occur. Standard therapy includes treatment with small molecules dabrafenib (DAB) and...
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ Adam W.G. Alani Nearly 80% of solid tumors, such as melanoma, metastasize via the

Development of Micellar and Nanoparticle Structures based on Polyester Diblock Copolymer Platform for the Treatment of Metastatic Tumors

Creator:: Doddapaneni, Bhuvana S.
Abstract:: Poor aqueous solubility of a large number of newly discovered chemical entities is posing a significant challenge for the formulation industry and is delaying their drug development. The number of formulation techniques available to solubilize these poorly soluble molecules is very limited. In addition to that, traditional formulation methods involve...
Resource Type:: Dissertation
Full Text:: Platform for the Treatment of Metastatic Tumors Abstract approved: Adam W. G. Alani Poor

Properties and derivatives of 5-hydroxyuridine, a component of ribonucleic acid

Creator:: Hayes, Sidney Joseph, III
Resource Type:: Dissertation
Full Text:: . Adam W. Lis 0 0 0 0 0 0 0 0 0 0 0 0 0 This investigation involved a physico-chemical character

Revisiting Lōʻihi: Geochemistry of Kamaʻehuakanaloa Lavas Reveals Complexities in the Pre-Shield to Shield Transition and Hawaiian Mantle Plume Source

Creator:: Truong, Thi B.
Abstract:: Studies of Hawaiian volcanoes contribute valuable insights about Earth processes and mantle evolution, and are fundamental for understanding the construction of the largest volcanoes on terrestrial planets. The pre-shield stage exists in every Hawaiian volcano, but is usually blanketed by high volume tholeiitic lava flows during the main shield stage....
Resource Type:: Dissertation
Full Text:: Transition and Hawaiian Mantle Plume Source Abstract approved: Adam J.R. Kent Studies of Hawaiian

An economic evaluation of on-farm strategies for reduction of nitrate groundwater pollution : the case of irrigated production in the Columbia basin

Creator:: Johnson, Scott Lee
Abstract:: Technological advances in agricultural production over the past 40 years have contributed to the high standard of living enjoyed by many in the United States. Extensive use of chemicals to enhance yield and improve crop quality has played a major role in creating this highly productive U.S. agricultural system. Increased...
Resource Type:: Dissertation
Full Text:: -nitrogen in groundwater to be 10 parts per million (ppm) (or 10 mg N/l) and 5 mg N/1 to be the threshold

Volatile mobility of trace metals in volcanic systems

Creator:: Loewen, Matthew W.
Abstract:: Semi-volatile trace metals like Li, Cu, Mo, Sn, In, and Pb have the potential to track mobility of a volatile phase in volcanic systems. In this dissertation four studies are presented that either directly investigate or are motivated by observations of trace metal behavior in volcanic systems. A common tool...
Resource Type:: Dissertation
Full Text:: Systems. Abstract approved: Adam J.R. Kent Semi-volatile trace metals like Li, Cu, Mo, Sn, In, and

Multi-Dimensional Task Recognition for Human-Robot Teaming

Creator:: Baskaran, Prakash
Abstract:: Human-robot teams involve humans and robots collaborating to achieve tasks under various environmental conditions. Successful teaming requires robots to adapt autonomously in real-time to a human teammate's state. An important element of such adaptation is the ability for the robot to infer the tasks performed by their human teammates. Human-robot...
Resource Type:: Dissertation
Full Text:: correlation coefficients between the i th and jth components. Gf The GNN fusion algorithm’s graph. H(l) The

An economic analysis of household recycling of solid wastes : the case of Portland, Oregon

Creator:: Hong, Seonghoon
Resource Type:: Dissertation
Full Text:: arranging in matrix form, we have: 24 Uxx UT$x UXT$ Ujc; UT$Ts UTCTS UTCTC -(l+tO) -(w-cb) -w

Mathematical and Experimental Approaches for Designing Less Toxic Cryopreservation Methods

Creator:: Warner, Ross M.
Abstract:: Successful cryopreservation of all biological specimens would have an untold positive impact on medicine and scientific research. However, cryopreservation of the most complex biological specimens, such as tissues and organs, remains elusive. Vitrification, or ice-free cryopreservation, is promising for cryopreservation of complex specimens. The biggest challenge, though, is the toxicity...
Resource Type:: Dissertation
Full Text:: Adam Z. Higgins Successful cryopreservation of all biological specimens would have an untold

Blood Processing Technologies for Cryopreserved Transfusion Products and Extracorporeal Treatment Applications

Creator:: Lahmann, John M.
Abstract:: There is a significant need for technological advancement in blood processing. New technologies in rapid processing of frozen blood products could significantly improve management of the blood supply chain in the United States by enabling on-demand use of frozen blood products that can be stored for 10 years instead of...
Resource Type:: Dissertation
Full Text:: Adam Z. Higgins There is a significant need for technological advancement in blood processing. New

Smallholder farmers’ decision making in farm tree growing in the highlands of Ethiopia

Creator:: Ayele, Zeleke Ewnetu
Abstract:: Past afforestation programs launched to promote private and community woodlots in rural Ethiopia have not been based on clear understanding of the incentives and constraints of smallholder farmers. This study investigated the characteristic differences between tree-growing and non-tree-growing farm households and identified factors influencing farmers’ tree-growing decisions from a farming...
Resource Type:: Dissertation

Economic analysis of restoration practices to improve water quality and fish habitat of a large river floodplain : a case study of the Willamette River, Oregon

Creator:: Seedang, Saichon
Abstract:: In- stream water temperature is one of the most important environmental factors associated with the decline in salmonid populations and their habitats in the Pacific Northwest. Most ecological restoration practices that attempt to reduce instream temperatures center on replanting or reestablishing riparian vegetation and increasing flows. However, in a large...
Resource Type:: Dissertation

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