The Effects Of Lampricide 3-Trifluoromethyl-4-Nitrophenol Toxicity On The Gills Of Larval Sea Lamprey And Non-Target Rainbow Trout And Lake Sturgeon, Lisa A. Sorensen

Theses and Dissertations (Comprehensive)

The pesticide, 3-trifluoromethyl-4-nitrophenol (TFM), is widely used in the Great Lakes to control invasive sea lampreys (Petromyzon marinus) populations, but much about its sub-lethal effects remains unknown. A better understanding of its toxicity is needed to improve TFM effectiveness and to protect non-target organisms from its potential adverse effects. The objectives of this thesis were to test the following two hypotheses: (1) impairment of mitochondrial ATP production by TFM interferes with ATP-dependent ion-uptake by fish, leading to altered electrolyte balance, and (2) perturbations of gill function by TFM are exacerbated in soft, ion poor water (SW; 40 mg …

‘Water Is Life’: Exploring The Relationship Between Place Identity, Water And Adaptive Capacity In Fort Resolution, Northwest Territories, Canada, Jennifer A. Fresque-Baxter

Theses and Dissertations (Comprehensive)

Water is recognised as a fundamental human right in Canada’s Northwest Territories (NWT). However, the current and potential effects of climate change coupled with resource development pressures are leading to concerns about maintaining the health and viability of freshwater in the NWT. These intersecting multiple exposures can have far-reaching impacts for NWT residents who rely on water for cultural, spiritual, economic and social purposes. Ongoing changes (e.g., to water quantity, water quality, weather, precipitation and ice dynamics, for example) will increasingly require NWT residents to adapt, seek ways to plan for the future, identify opportunities, and moderate the effects of …

"It's A Very Silent Pain": A Phenomenological Study Of Women Who Are In A Relationship With A Sexually Addicted Spouse, Jacqueline S. Thibodeau

Theses and Dissertations (Comprehensive)

Being in a relationship with someone who is sexually addicted has been recognized as disorienting and painful. What is lacking in the literature is inclusion of the voices of those individuals who have been affected by his behaviour. This study attempts to capture the phenomenon experienced by those individuals who are in a relationship with a person who is sexually addicted. Twelve women, who identified being in a current or past relationship with a person who is sexually addicted, participated in qualitative interviews where they were encouraged to share their experiences. The interviews were analyzed within the transcendental phenomenological framework. …

Connecting To Others: Studying The Relationship Between Social Exclusion And Imitation, Sarah K. Blyth

Theses and Dissertations (Comprehensive)

Automatic imitation (AI) refers to the subconscious tendency we have to imitate an observed action, even when that action is irrelevant to or interferes with an action we are attempting to execute (Heyes, 2011; Brass et al., 2000). Human beings display a fundamental need to stay meaningfully connected to others, also known as the need to belong. Previous research shows that an experience of rejection can reduce one’s feelings of connectedness to others (Legate et al., 2013), and that behaviours such as non-conscious mimicry (NCM) increase after being excluded as a possible means of re-affiliation (Lakin et al., 2008). It …

Pushing The Limits: International Land Acquisitions In Comparative Perspective, Ariane Goetz

Theses and Dissertations (Comprehensive)

The role of investor countries in large-scale land acquisitions is poorly understood in the contemporary “land grab” literature. Orthodox explanations largely build on deductive analyses that deviate from the emerging empirical evidence, and/or face analytical difficulties when trying to capture why large-scale land acquisitions happen. This thesis investigates the global phenomenon of “land grabbing” from the comparative perspective of two major investor countries: the UK and China. The regional focus is on Sub-Saharan Africa, a major target of land-consuming investments since 2000.

The dissertation advances three arguments: Firstly, the specific details of the home country’s industrial set-up, development challenges, ideological …

Perceptions Of Determining Factors: A Case Study Of Eviction Risks Of People Who Hoard In Waterloo Region, Emily J. Gibson

Theses and Dissertations (Comprehensive)

Recently distinguished as a distinct disorder in the DSM-V, hoarding remains a behaviour about which we have only a cursory understanding. Hoarding behaviours can lead to a variety of health and safety risks, not only for the person who hoards, but for others who live with them, and their neighbouring community. Many studies make reference to the vulnerability of people who hoard as a result of these health and safety risks However, there has been little written about eviction specifically due to hoarding. This study explores the research question: what factors enable individuals who hoard to maintain their housing when …

Affective Migration: The Role Of Food Preparation And Visceral Experience For Egyptian Migrant Women Settling In The Region Of Waterloo, Mary Neil

Theses and Dissertations (Comprehensive)

This study examining Egyptian migrants settling in Canada is exploratory in nature and is intended to initiate a conversation about the personal experience of transnationalism and the value of the body as an instrument of research. A semi-structured interview approach was designed to prompt the evocation of deep personal thoughts, experiences, and sensations in response to questions surrounding migration to Canada through the shared performative act of cooking and the visceral experience of eating in the private space of the migrant kitchen. Using a grounded theory approach, several adaptive mechanisms were identified such as the creation of manageable daily routines, …

"It's Not Written In Stone": A Narrative Analysis Of The Mothering Experiences Of Women Who Experienced Childhood Sexual Abuse By A Family Member, Eva L.P. Burrill

Theses and Dissertations (Comprehensive)

Within the existing body of literature on women survivors of intrafamilial childhood sexual abuse (CSA), there is extant literature that indicates that survivors will experience mothering challenges later in life. However, little research has focused on the possibility that mothering might also function as a site of healing. Addressing this gap, this thesis explores the mothering experiences of six women who experienced childhood sexual abuse by a family member. Working within a narrative methodology, data was gathered through semi-structured, in-depth interviews, and analyzed using a combination of categorical-content and holistic-content analysis. Three overarching themes were identified: 1) The Impact of …

The Felt Sense Of Interconnectedness: A Qualitative Analysis Of Perceptions On Finding Resilience In The Aftermath Of Trauma Using The Mind-Body Connections Of Yoga, Ashley Collette

Theses and Dissertations (Comprehensive)

Members and veterans of the military are at an increased risk of exposure to traumatic experiences due to the very nature of their occupation. The most recent statistics on Canada’s deployment to Afghanistan show that 13.2% of the (Canadian Armed Forces (CAF) members deployed have been diagnosed with a mental injury within a five year follow up period of redeployment from the theatre of operations. The present preliminary study was designed to examine Yoga as a therapeutic intervention for trauma in a population of CAF members and veterans. The author interviewed 4 service providers and 2 service users of Yoga-based …

Moral Identity Development In Adulthood, Lourdes Andrea Murua

Theses and Dissertations (Comprehensive)

Abstract

Past research on moral identity development mostly focused on adolescence and early adulthood. As a consequence, little is known about developmental changes in moral identity in the adult years. The purpose of the present study was to broaden the research done on moral identity by investigating the changes in moral identity that individuals experience between adolescence and mid age. To this end, 252 participants were recruited. They ranged in age from 14 to 65 years, and were split into four age-groups: 14-18 years (N=67, 41 females) mean age 16.97; 19 to 25 years (N=52, 29 females) mean age 22.48; …

“Are The Girls Out To Bingo? And Is “Frenchie” Gettin Tipsy? On A Sudbury Saturday Night”: Gambling Among Older Francophones In North-Eastern Ontario, Éric R. Thériault

Theses and Dissertations (Comprehensive)

Since its legalization, gambling has become a popular form of entertainment in Canada (e.g., Tepperman & Wanner, 2012). Despite this increase in popularity, little research has been done examining gambling among older adults, and even in this area of research there is a lack of attention to minority groups (e.g., Ariyabuddhiphongs, 2012; Munro, Cox-Bishop, McVey, & Munro., 2003). Tirachaimongkol and colleagues (2010) proposed a theoretical pathways model to help explain problem gambling risk in older adults. This model includes three “clusters” of risk factors, including individual vulnerability factors, social and environmental factors, and behavioural regulation factors. The second cluster is …

Purification And Characterization Of Bcsc; An Integral Component Of Bacterial Cellulose Export, Emily D. Wilson Ms

Theses and Dissertations (Comprehensive)

Biofilms are a growing concern in the medical field due to their increased resistance to antibiotics. When found in a biofilm, bacteria can have antibiotic resistance 10-1000 times that of their planktonic counterparts. Therefore, it is important to study the formation of biofilms. Cellulose biofilms are formed by Enterobacteriaceae, such as many Escherichia coli and Salmonella spp. strains. Biofilms provide these species with benefits including antimicrobial protection, development of bacterial communities, promotion of DNA exchange, uptake of nutrients, and, in the case of cellulose biofilms, immune system evasion. Cellulose biofilms are controlled by the Bacterial cellulose synthesis (Bcs) complex located …

Parental Spatial Input During Parent-Child Interactions: A Two-Dimensional Versus A Three-Dimensional Learning Experience, Ariel Ho

Theses and Dissertations (Comprehensive)

Children’s spatial ability is predictive of their future achievement in many academic and occupational domains, including science, technology, engineering, and mathematics (STEM; e.g., Wai at el., 2009). During the early years, experiences such as hearing spatial language (e.g., Ferrara et al., 2011) and engaging in spatial activities with three-dimensional (3D) blocks or puzzles (e.g., Casey et al., 2008) are found to facilitate children’s spatial learning. Other than 3D toys, the use of two-dimensional (2D) touchscreen media (e.g., iPads^®) by young children has been on the rise (e.g., Rideout, 2013). Technology has become part of children’s daily activities and …

Enhancing Canadian Girls’ Resilience Through Girls-Only Programming, Ayesha Umme-Jihad

Theses and Dissertations (Comprehensive)

Canadian girls face a number of complex issues as they transition through girlhood and into adolescence. Despite the barriers they face, girls can be resilient with the development of internal and external assets. Presently, we know that protective factors developed in girls-only programs between the critical ages of 9 and 13 enhance girls’ resilience in the short-term (Alcade, Hayward, Loomis, & Hodgson, 2012). This thesis project operationalizes protective factors as confidence, critical thinking skills, connectedness, and parental relationships. Risk factors are operationalized as adversity within environments, depression, negative behaviours, and substance use. A mixed methods approach is used to investigate …

Guide For The Adjustment Of Permissible Exposure Values (Pevs) For Unusual Work Schedules, Daniel Drolet

Guides

No abstract provided.

Visions For The North Sea: The Societal Dilemma Behind Specifying Good Environmental Status, Alison J. Gilbert, Abigail Mcquatters-Gollop, Olivia Langmead, Laurence Mee, Jan Vermaat

School of Biological and Marine Sciences

No abstract provided.

Determining Riverine Sediment Storage Mechanisms Of Biologically Reactive Phosphorus In Situ Using Dgt, Emily E. Burns, Sean Comber, William Blake, Rupert Goddard, Laurence Couldrick

School of Geography, Earth and Environmental Sciences

No abstract provided.

The Effects Of Omega-3 Fatty Acids On The Concentration Of Myo-Inositol, Patrick Knighton

Honors Theses

Bipolar affective disorder is a mental illness that affects 1-2% of the population. One hypothesis for the effectiveness of current treatments of bipolar disorder is the reduction of cellular myo-inositol. Lithium and valproate (VPA) are known to reduce cellular inositol levels, however these treatments often have notable side effects. Currently, there is a need to find a treatment for bipolar disorder that reduces the adverse side effects of these drugs. Previous studies, have found success in using omega-3 fatty acids for the treatment of bipolar affective disorder. The long-term purpose of this study is to determine what effect omega-3 fatty …

The Transgenerational Effect Of Substance Abuse, Subira Brown

Honors Theses

Using a survey conducted among college students at Andrews University, this study focused on substance use and sexual behaviors of students and the presence of familial substance use problems. Analysis indicated a significant association between substance use problems of fathers and their children's substance use. There was a stronger statistical association between father's substance use problems and male children's alcohol use. In addition there was a significant relationship between grandparents substance use and youth sexual behavior for both genders. There is a need for further analysis of this study.

Paper-Based Biosensor For Colorimetric Detection Of Psa Biomarker, Alyson Drew

Honors Theses

Prostate cancer is commonly screened in the bloodstream by detection of excess PSA, prostate-specific antigen which is a protein in the prostate produces in large quantities when cancerous tumors are present. In order to facilitate inexpensive and disposable detection, diagnostic tools have begun to be created out of paper and wax which wick solutions through channels based on their hydrophobicity. George M. Whitesides, who pioneered the majority of this work, designed a paper-based LFD, lateral flow device, effective for detecting liver function which we are modifying to detect PSA. In this paper, we designed an oPAD, origami paper analytical device, …

Ovulation Synchrony As An Adaptive Response To Egg Cannibalism In A Seabird Colony, Sumiko Weir

Honors Theses

The predominant cause of egg loss in a large Galucous-winged Gull (Larus glaucescens) colony in Washington is cannibalism. Previous work demonstrated the occurrence of every-other-day clutch initiation synchrony in dense areas of the colony during years when cannibalism was most frequent, suggesting that synchrony is an adaptive response to cannibalism. Here we show that (1) the initial egg laid in a nest is more likely to be cannibalized than subsequent eggs, (2) an egg is most likely to be cannibalized within the first 24 hours after it is laid, and (3) the odds that an initial egg is cannibalized within …

Variations In Microbiota Of Culex (Melanoconion) Ocossa And Culex (Culex) Declarator Across Peri-Urban And Rural Environments, M. Nelson Starkey

Honors Theses

Mosquitoes serve as the primary mode of transmission for many tropical infections such as Venezuelan equine encephalitis virus, dengue virus, and malaria. Therefore, mosquitoes are an important area of study for disease control. This study is part of a larger goal to examine the differences in gut microbiota of Culex melanoconion species across two different habitats: periuban and rural. Mosquitoes were collected from locations around Iquitos, Peru and their gut bacterial DNA was extracted and analyzed. Based on previous studies, it is believed that the bacterial flora will differ among mosquitoes reared in different locations.

One Step Ahead: Investigating The Influence Of Prior Knowledge On The Perception Of Others’ Actions, Toby Nicholson

School of Psychology Theses

Historically, a dominant view has been that we understand others by directly matching their actions to our own motor system, emphasising the importance of bottom-up processes during social perception. However, more recent theories suggest that instead we actively anticipate others actions based upon intentions inferred outside of the motor system, from social cues such as language, eye gaze and object information. Across 13 experiments, the established representational momentum paradigm, as well as a cross-modal visuotactile paradigm were employed to test the hypothesis that people’s perceptual processes while observing the actions of others would be affected by such top-down cues about …

Biblia Hebraica Stuttgartensia: A Reader’S Edition [Review] / Vance, Donald A., George Athas, And Yael Avrahami, Oliver Glanz

Andrews University Seminary Studies (AUSS)

No abstract provided.

A Seminar For Building Strong Marriages And Healthy Relationships In South Bend Hispanic Seventh-Day Adventist Church, Ronald Rojas

Doctor of Ministry Projects

Problem

Despite the high biblical ideals for marriage and the divine power that is available to enable marital commitments to endure, the Seventh-day Adventist church recognizes the possibility that some individuals will not survive in marriage. Over the past 35 years (1974-2009) there has been a decline in the percentage of couples still in their first marriage (from 81% in 1974 to 58% in 2009) among Adventists in North America, which is very similar to the decline in percentage of married couples (from 82% in 1970 to 48% in 2010) in the United States (U.S. Census Bureau, 2010). As a …

First Successful Capture And Satellite Tracking Of A West Indian Manatee (Trichechus Manatus) In Panama: Feasibility Of Capture And Telemetry Techniques, Daniel Gonzalez-Socoloske, James P. Reid, Carlos Espinoza-Marin, Kherson E. Ruiz, Kenneth E. Glander, Leon David Olivera-Gomez

Faculty Publications

It is currently unknown how important the Central American countries south of Belize are as a link between manatee populations in the north (Belize and Mexico) and populations in South America. Therefore, apart from knowing where manatees are found, it is important to understand how manatees are using these habitats and if they are moving between countries or distinct population centers. Here we report the results of a multi-national and multiinstitutional collaboration resulting in the first successful capture and satellite tracking of a West Indian manatee in southern Central America.

Calcification Is Not The Achilles' Heel Of Cold-Water Corals In An Acidifying Ocean., Riccardo Rodolfo-Metalpa, Paolo Montagna, Stefano Aliani, Mireno Borghini, Simonepietro Canese, Jason M. Hall-Spencer, Andy Foggo, Marco Milazzo, Marco Taviani, Fanny Houlbrèque

School of Biological and Marine Sciences

Ocean acidification is thought to be a major threat to coral reefs: laboratory evidence and CO2 seep research has shown adverse effects on many coral species, although a few are resilient. There are concerns that cold-water corals are even more vulnerable as they live in areas where aragonite saturation (Ωara ) is lower than in the tropics and is falling rapidly due to CO2 emissions. Here, we provide laboratory evidence that net (gross calcification minus dissolution) and gross calcification rates of three common cold-water corals, Caryophyllia smithii, Dendrophyllia cornigera, and Desmophyllum dianthus, are not affected by pCO2 levels expected for …

"I Don't Understand What You're Saying!": Lessons From Three Esl Writing Tutorials, Eun-Young Julia Kim

Faculty Publications

This article presents three case studies that closely examine various types of inter-actions taking place in writing center tutorials involving newly arrived pre-ma-triculated ESL writers. By learning what strategies tutors commonly use and how successfully the ESL writers negotiate their goals for the visit and the form and meaning of their text through this sample, this study aims to help identify what characterizes successful tutorials and what unique challenges English language learners might face when interacting with tutors. Results from these case studies show that it is not how many corrections tutors make or suggest for the students’ papers, but …

Shifting The Stress Curve: Using "Stress Inoculation" And Exercise To Promote Resilience, Mikyung Kim

Master's Theses

Problem

Stress influences an organism’s physiological systems via an inverted u-shaped curve: An optimum amount of stress will optimize body functions, but too little stress or too much stress for long periods of time can impair body functions. Researchers have been very interested in exploring the mechanisms that may “delay the tipping point” between the positive and negative effects of stress. A rightward shift in the stress curve would allow one to maintain optimal performance even at higher or more prolonged stress levels. The molecular and cellular mechanisms that underlie this rightward shift could result in resilience, clinically defined as …

Seaweed Fails To Prevent Ocean Acidification Impact On Foraminifera Along A Shallow-Water Co2 Gradient, Laura R. Pettit, Christopher W. Smart, Malcolm B. Hart, Marco Milazzo, Jason M. Hall-Spencer

School of Geography, Earth and Environmental Sciences

No abstract provided.