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Predictors Of Positive Adjustment In Children Exposed To The Deepwater Horizon Oil Spill And Hurricane Katrina, Jamarri Raimon Aikins Jan 2012

Predictors Of Positive Adjustment In Children Exposed To The Deepwater Horizon Oil Spill And Hurricane Katrina, Jamarri Raimon Aikins

LSU Master's Theses

Although numerous studies have focused on the harmful effects of natural disasters, few have examined the positive adjustment that is demonstrated by some individuals post-disaster. Even fewer studies have investigated this resiliency in children. The current study aims to address this limitation by evaluating variables related to children’s resiliency post-disaster. Specifically, the study was designed to identify and compare predictors of positive adjustment in youth who were exposed to either Hurricane Katrina or the Deepwater Horizon Oil Spill. It was hypothesized that children who use more adaptive coping strategies and have higher levels of social support will show greater amounts …

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Seeing The Divine: The Origin, Iconography, And Content Of Santa Pudenziana's Apse Mosaic, Rebecca Franzella Jan 2012

Seeing The Divine: The Origin, Iconography, And Content Of Santa Pudenziana's Apse Mosaic, Rebecca Franzella

LSU Master's Theses

When Christian artwork expanded into the grand, newly constructed Christian basilicas of the fourth century, new iconography emerged. The apse was a focal point of the basilica’s interior and provided a novel space for artistic decoration. The church of Santa Pudenziana, located in Rome, contains the earliest surviving apse decoration in a Christian basilica. Shown here is a depiction of Christ surrounded by his apostles. This figural arrangement is familiar because of previously established pagan and Christian imagery. However, at S. Pudenziana, and for the first time in Christian art, four angelic figures and the Heavenly Jerusalem appear in the …

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Yogurt Cultures Survive Upon Exposure To Two Antimicrobials And Streptococcus Thermophilus St-M5 Acquired Resistance To Both Antimicrobials, Maria Carolina Vives Habeych Jan 2012

Yogurt Cultures Survive Upon Exposure To Two Antimicrobials And Streptococcus Thermophilus St-M5 Acquired Resistance To Both Antimicrobials, Maria Carolina Vives Habeych

LSU Master's Theses

Different antimicrobials are added in the manufacturing of dairy products such as flavored yogurts and processed cheese. Potassium Metabisulfite (PM) and Potassium Nitrite (PN) have been reported to have antimicrobial effect on pathogenic microorganisms such as Clostridium botulinum and Listeria monocytogenes. Yogurt is known for its health benefits, due to the presence of cultured bacteria. PM and PN are not commonly used in the dairy industry hence it would be interesting to study their influence in yogurt culture bacteria. The objectives of this study were: 1. to elucidate the influence of PM and PN at various concentrations, on the growth …

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Le Nègre Blanc De Bel Air: La Construction D'Une Identité Hybride Réunionnaise, Jessica Bombard Jan 2012

Le Nègre Blanc De Bel Air: La Construction D'Une Identité Hybride Réunionnaise, Jessica Bombard

LSU Master's Theses

Reunion Island and its literature both reflect a unique world of métissage unveiling a hybrid culture and population. Through centuries, Reunionese authors have used their writings as a means to portray the reality of their complex métisse society. Uninhabited until the seventeenth century, Reunion became a focal point for many nations and peoples who brought their own cultures and traditions. Such diversity, linked to the economic needs of the colony, led to the creation of a new creole language along with a new culture. In the novel Le Nègre Blanc de Bel Air, the Reunionese author Jean-François Samlong focuses on …

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Integrating Tasks, Technology, And The Common Core Standards In The Algebra Ii Classroom, Beth Perkins Mcinnis Jan 2012

Integrating Tasks, Technology, And The Common Core Standards In The Algebra Ii Classroom, Beth Perkins Mcinnis

LSU Master's Theses

The Common Core State Standards for Mathematics were released in June of 2010. The standards were developed by a team of over 75 teachers and specialist in response to improve math education in the United States through more focused, coherent, rigorous standards to help our students be competitive in the 21st century. As of June 2012, 45 states had adopted the new standards which better coordinate what students at individual grade level should know and be able to do to in order to be college and career ready by grade twelve. With new computer based assessments being developed and set …

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Visual Translation: A New Way To Design A Chinese Typeface Based On An Existing Latin Typeface, Yifang Cao Jan 2012

Visual Translation: A New Way To Design A Chinese Typeface Based On An Existing Latin Typeface, Yifang Cao

LSU Master's Theses

The visual consistency of branding makes a significant difference when successfully introduced to another culture. My study focuses on how to facilitate a smooth visual transition in western branding from Latin letters to Chinese characters. To move beyond traditional Chinese type design, Visual Translation introduces a new method for designing Chinese typefaces using existing Latin typefaces. This web-based educational tool seeks to help Chinese graphic design students and type enthusiasts, with emphasis on designers who are working in a cross-cultural environment to maintain visual consistency for branding.

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Salt Of The Maya: Evidence Of Prehispanic Salt Production And Architectural Function At The Eleanor Betty Site, Paynes Creek National Park, Belize, Tamara L. Spann Jan 2012

Salt Of The Maya: Evidence Of Prehispanic Salt Production And Architectural Function At The Eleanor Betty Site, Paynes Creek National Park, Belize, Tamara L. Spann

LSU Master's Theses

The Punta Ycacos Lagoon is home to many Classic Maya saltworks. Located in Paynes Creek National Park in southern Belize, these ancient sites may unlock answers to understanding Classic period trade along the southern coast of Belize. Archaeological investigations took place at one such site, the Eleanor Betty Site, in order to determine organization and architectural function. One transect was excavated along what is hypothesized to be the interior of a wooden structure. Using ethnographic, ethnohistoric data, in conjunction with archaeological fieldwork, the function of the structure within the salt-production site has been analyzed. The presence of preserved wooden posts, …

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Carl Schmitt's Radical Democracy: Schmitt, Hobbes And The Return To Political Identity, Ndifreke Ette Jan 2012

Carl Schmitt's Radical Democracy: Schmitt, Hobbes And The Return To Political Identity, Ndifreke Ette

LSU Master's Theses

Scholarly treatments of the controversial German jurist Carl tend to be bipolar: His writings are either scrutinized for totalitarian leanings or his flirtations with Nazism excused as unfortunately opportunistic. One of the more fruitful points to begin an exploration of Schmitt’s thought is in his interpretation of Thomas Hobbes. Schmitt criticized Hobbes both for ignoring the historical backdrop to the Leviathan myth, and also for prefiguring liberalism with his distinction between conscience and obedience. In recruiting Hobbes, this paper suggests that though Schmitt’s concern about the technologization of politics through liberalism was paramount, it was in support of a radical …

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Genomic Expression Response To Experimentally-Weathered South Louisiana Crude Oil In Gulf Killifish Profiled Across Tissues, Doses And Time., Whitney Rose Pilcher Jan 2012

Genomic Expression Response To Experimentally-Weathered South Louisiana Crude Oil In Gulf Killifish Profiled Across Tissues, Doses And Time., Whitney Rose Pilcher

LSU Master's Theses

Almost five million barrels of south Louisiana crude oil were released into the environment following the explosion of the Deepwater Horizon oil platform on April 20, 2010, however, little is known of the effects of the spill to native species of the northern Gulf of Mexico. Field studies provide a context for ecological realism but laboratory- based studies can connect the specific cause to a specific biological response. A previous field study, completed in 2010, tracked genome expression responses in native killifish resident in oiled and several non-oiled marshes in the northern Gulf of Mexico. Those data suggested significant biological …

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Eight Thousand Daughters Woven Into Bayou Birds, Megan Marie Singleton Jan 2012

Eight Thousand Daughters Woven Into Bayou Birds, Megan Marie Singleton

LSU Master's Theses

Over the course of the last year I have spent nearly every weekend investigating this aquatic landscape by canoe, deciphering the differences between native and invasive flora and fauna. I am interested in ways that art can address the natural world. My thesis exhibition, Eight Thousand Daughters Woven into Bayou Braids, depicts and interprets the Louisiana landscape, exploring the destructive beauty and materiality of invasive aquatic plants.

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A Study Of Children's Musical Play At The Little Gym, Alison Elaine Alexander Jan 2012

A Study Of Children's Musical Play At The Little Gym, Alison Elaine Alexander

LSU Master's Theses

The purpose of this study was to examine the ways music is used in classes at the Little Gym. It also attempted to uncover the benefits of the use of music in the classes as identified by the participants. This investigation of music at the Little Gym required the use of standard qualitative data collection strategies performed over the course of four months of fieldwork. Approximately sixty hours of observations were completed, both as an observer and a participant observer, and twelve semi-structured interviews were conducted with parents and teachers. Data analysis entailed transcribing and coding interviews, examining observations field …

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Quantification Of Nox Reduction Via Nitrate Accumulation On A Tio2 Photocatalytic Concrete Pavement, David James Osborn Jan 2012

Quantification Of Nox Reduction Via Nitrate Accumulation On A Tio2 Photocatalytic Concrete Pavement, David James Osborn

LSU Master's Theses

Field trials of photocatalytic pavements were recently initiated and are presently being considered by many states (e.g., Virginia, Texas, New York, and Missouri). Results from this study originate from the country’s first air-purifying asphalt and concrete photocatalytic pavements, constructed on Dec. 20, 2010. The test area is a pavement site located on the LSU campus. The objective of the study is to validate field photocatalytic degradation of NOx in a field environment by measuring the day to day accumulation of the oxidized byproduct; nitrate salts. The mass of nitrates, produced by the real life photocatalytic pavement, were measured. The measurement …

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Longitudinal Assessment Of Shifting Microbial Community Composition In Sandy Beaches Following The 2010 Deepwater Horizon Oil Spill And Remediation Efforts, Axita Ajaykumar Gupta Jan 2012

Longitudinal Assessment Of Shifting Microbial Community Composition In Sandy Beaches Following The 2010 Deepwater Horizon Oil Spill And Remediation Efforts, Axita Ajaykumar Gupta

LSU Master's Theses

Sandy beaches are geological zones parallel to the shoreline where high energy, open ocean unconsolidated sediments are deposited and reworked. Sandy beaches represent critical ecosystems that support a wide variety of underappreciated biodiversity. Prior to the 2010 Deepwater Horizon oil spill in the Gulf of Mexico, the diversity and function of microbial communities in supratidal beach sediments along the Gulf of Mexico coastlines were not well understood. It was unclear if possible community compositional changes would occur during and following exposure to oil, or what impact the remediation efforts, such as sand washing, would have to the microbial communities and …

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The Use Of A Mixed Chlorella Cyanobacteria Culture As A Protein Source For Aquaculture, Marjan Sadat Mohtashamian Jan 2012

The Use Of A Mixed Chlorella Cyanobacteria Culture As A Protein Source For Aquaculture, Marjan Sadat Mohtashamian

LSU Master's Theses

The increase in the global demand for fish feed in the last decades has resulted in the over exploitation of natural resources to produce more fishmeal supplies for aquaculture industry. The supply issues and high prices of fishmeal products have raised the incentives to seek for suitable alternatives to replace fishmeal protein. As a by-product of biofuel production process, residual microalgal biomass may be a low cost feed ingredient to the aquaculture diet. The potential of the use of a post lipid extraction Chlorella vulgaris/Leptolyngbya sp. Co-Culture (Louisiana co-culture) as a protein source in aquaculture feeds could help offset fishmeal. …

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Creating A Horticultural Curriculum Addressing Environmental Concerns, Carly Gillett Jan 2012

Creating A Horticultural Curriculum Addressing Environmental Concerns, Carly Gillett

LSU Master's Theses

Research indicates that the average age of the American farmer is 57 years old. There is a need for new programs to be developed to encourage youth to pursue careers in agriculture. This study developed and implemented a horticultural curriculum at a summer camp targeting participants aged 9-12. A treatment group consisted of campers that signed up for the Victory Garden camp track and a control group consisted of randomly selected campers from a different camp track. A pre-test and post-test were given to both student groups. The test consisted of 16 general horticultural knowledge multiple choice questions and four …

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Surface-Modified Plga Nanoparticles For Targeted Drug Delivery To Neurons, Jingyan Li Jan 2012

Surface-Modified Plga Nanoparticles For Targeted Drug Delivery To Neurons, Jingyan Li

LSU Master's Theses

The blood-brain barrier (BBB), which protects the central nervous system (CNS) from unnecessary substances, is a challenging obstacle in the treatment of CNS disease such as Parkinson’s Disease (PD). Many therapeutic agents such as hydrophilic and macromolecular drugs cannot overcome the BBB. One promising solution is the employment of polymeric nanoparticles (NPs) such as poly (lactic-co-glycolic acid) (PLGA) NPs as drug carrier. Over the past few years, significant breakthroughs have been made in developing suitable poly (lactic-co-glycolic acid) (PLGA) and poly (lactic acid) (PLA) nanoparticles for drug delivery across the BBB. Recent advances on PLGA/PLA NPs enhanced neural delivery of …

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Towards The Development Of Biotin Carboxylase Driven Robotic Nanoswimmers, Rachel Yates Jan 2012

Towards The Development Of Biotin Carboxylase Driven Robotic Nanoswimmers, Rachel Yates

LSU Master's Theses

The objective of this research is to take the first step towards demonstrating the use of the enzyme biotin carboxylase (BC) as a biomolecular motor. BC is a homodimeric protein involved in fatty biosynthesis in all organisms. The conjecture is that BC can convert chemical energy into useful mechanical work via its conformation change, which acts as a fin or flexible oar producing nonreciprocal motion. To this end, we fabricate a proof-of-concept biomolecular machine driven by BC molecules, viz., a robotic nanoswimmer. This machine consists of a Janus-type nanosize silica particle, where one hemisphere is coated with an intermediate layer …

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Insulin Dose Response Curves And Factors Affecting Insulin Sensitivity In Horses, Jeanne D. Lestelle Jan 2012

Insulin Dose Response Curves And Factors Affecting Insulin Sensitivity In Horses, Jeanne D. Lestelle

LSU Master's Theses

Three experiments were conducted to further study the use of intravenous insulin injection to measure insulin sensitivity in horses. In the first experiment, glucose responses to multiple doses of recombinant human insulin were compared in insulin sensitive and insensitive mares. Regression lines describing the responses in insensitive mares had less (P = 0.003) steep slopes and greater (P = 0.006) effective doses at 50% response (ED50) compared to sensitive mares. Curvilinear regression models provided a good fit (R2 = 0.95) for the prediction of ED50 from the individual responses to 50 mU/kg BW insulin. The second experiment estimated the repeatability …

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The Effects Of Teaching Style On Student Learning Of Dna, Rebecca Branton Jan 2012

The Effects Of Teaching Style On Student Learning Of Dna, Rebecca Branton

LSU Master's Theses

New methods and practices are constantly being introduced in education due to new research that emerges as a push for student achievement increases. We as teachers must adapt to these new ideas to ensure student success. This study was completed to determine if inquiry-based teaching methods would be more beneficial in learning Biology concepts than traditional lecture instruction. The students were divided into two groups, which differed based solely on their instructional format. The activities involved in this study included inquiry-based activities and traditional activities, i.e. PowerPoints, guided notes, experiments and worksheets. The participants in this study, students in a …

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Non-Rigid Registration Of 2-D/3-D Dynamic Data With Feature Alignment, Huanhuan Xu Jan 2012

Non-Rigid Registration Of 2-D/3-D Dynamic Data With Feature Alignment, Huanhuan Xu

LSU Master's Theses

In this work, we are computing the matching between 2D manifolds and 3D manifolds with temporal constraints, that is we are computing the matching among a time sequence of 2D/3D manifolds. It is solved by mapping all the manifolds to a common domain, then build their matching by composing the forward mapping and the inverse mapping. At first, we solve the matching problem between 2D manifolds with temporal constraints by using mesh-based registration method. We propose a surface parameterization method to compute the mapping between the 2D manifold and the common 2D planar domain. We can compute the matching among …

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Evaluation Of Plasma Sprayed Hydroxyapatite Coated Ao Cortical Screws In Equine Third Metacarpal Bone, Myra Elizabeth Durham Jan 2012

Evaluation Of Plasma Sprayed Hydroxyapatite Coated Ao Cortical Screws In Equine Third Metacarpal Bone, Myra Elizabeth Durham

LSU Master's Theses

ABSTRACT Objectives - To compare the osteointegration of plasma sprayed hydroxyapatite (HA) coated and uncoated 5.5 mm cortical screws in equine third metacarpal (MC3) bones in combination with a 4.5mm broad dynamic compression plate (DCP). Study design - In vivo study. Animals – 6 Adult Thoroughbred horses. Methods – For each horse, four HA coated screws were placed unicortically through a 4.5mm broad DCP in the dorsal cortex of a randomly chosen MC3 bone, with 4 uncoated screws placed in an identical manner in the contralateral MC3 bone. All screws were tightened to a torque of 5.4 N-m. Extraction torques …

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Genomic Approaches To Understand Sweetpotato Root Development In Relation To Abiotic Factors, Julio Solis Sarmiento Jan 2012

Genomic Approaches To Understand Sweetpotato Root Development In Relation To Abiotic Factors, Julio Solis Sarmiento

LSU Doctoral Dissertations

Storage root development is the most important physiological process in sweetpotato. Understanding the underlying genetics is the overall objective of this research. A secondary objective is examining the impact of abiotic stress on gene expression and storage root development. A comprehensive analysis of a high-throughput RNA sequencing data (sweetpotato root, stem, and leaf) and public Expressed Sequences Tags was done to generate a genome-wide transcriptome assembly. About 33 million sequences were assembled into 77,663 unigenes; 52,322 (69.55%) of these unigenes matched to a protein sequence from UniprotKB. Data from de novo root transcriptome enriched the existing sweetpotato gene index by …

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An Evaluation Of Alternative Approaches For Simulating Animal Movement In Spatially-Explicit Individual-Based Models, Katherine Shepard Watkins Jan 2012

An Evaluation Of Alternative Approaches For Simulating Animal Movement In Spatially-Explicit Individual-Based Models, Katherine Shepard Watkins

LSU Doctoral Dissertations

Simulating animal movement in spatially-explicit individual-based models (IBMs) is both challenging and critically important to accurately estimating population dynamics. I compared four distinct movement approaches or sub-models (restricted-area search, kinesis, event-based, and run and tumble) in a series of simulation experiments. I used an IBM loosely based on a small pelagic fish that simulated growth, mortality, and movement of a cohort on a 2-dimensional grid. First, I tested the sub-models calibrated (i.e., trained) with a genetic algorithm in one set of environmental conditions in three other novel environments. The sub-models performed well, except restricted-area search and event-based that needed to …

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The Role Of Atypical Semantic Activation In Schizotypy: Implications For Odd Speech And Creativity, Kyle S. Minor Jan 2012

The Role Of Atypical Semantic Activation In Schizotypy: Implications For Odd Speech And Creativity, Kyle S. Minor

LSU Doctoral Dissertations

Individuals with schizophrenia tend to demonstrate patterns of atypical semantic activation, which are characterized by increased activation of weakly associated words within the semantic network. Although atypical semantic activation is associated with formal thought disorder, tangential speech, and poor long-term functioning in schizophrenia, very little is known about this variable in individuals with schizotypy, or the 10% of the population who demonstrate personality traits presumed to reflect genetic liability to schizophrenia. In this project, we employed highly sensitive laboratory procedures to test whether individuals with schizotypy (n = 45) display increased atypical semantic activation compared to a non-schizotypy group (n …

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A Critical Ethnography Of The Myrtles Plantation In St. Francisville, Louisiana With Ruminations On Hauntology, Holley Ann Vaughn Jan 2012

A Critical Ethnography Of The Myrtles Plantation In St. Francisville, Louisiana With Ruminations On Hauntology, Holley Ann Vaughn

LSU Doctoral Dissertations

This study examines how ghosts perform and are performed in southern Louisiana, particularly in the eclectic Baton Rouge enclave of Spanish Town and at The Myrtles Plantation in St. Francisville. Although The Myrtles, considered “one of the most haunted locations in the United States,” served as the genesis for this project, I explore the continuities and discontinuities of the histories and historicities of these two distinct places and my journeys between them over a five year period. Using critical ethnography as a grounding framework, the study draws from literature in tourism studies, performance studies, and other related areas of research, …

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A Novel Immunomodulatory Subunit Vaccine To Combat The Involvement Of Bovine Respiratory Coronavirus Infections In Shipping Fever, Genevieve Elizabeth Lum Jan 2012

A Novel Immunomodulatory Subunit Vaccine To Combat The Involvement Of Bovine Respiratory Coronavirus Infections In Shipping Fever, Genevieve Elizabeth Lum

LSU Doctoral Dissertations

Bovine respiratory coronavirus (BRCoV) is a group 2a coronavirus expressing both hemagglutinin-esterase and spike (S) envelope glycoproteins. The S glycoprotein is a primary coronavirus virulence factor responsible for both receptor specificity and membrane fusion-mediated entry into host cells. In addition, the S glycoprotein serves as a major antigen targeted by both the cellular and humoral immune responses and, as such, is an important target for antibody-facilitated virus neutralization. The objective of this research was the design of a safe and effective vaccine against BRCoV using a “prime-boost” vaccination approach. This method utilized an initial DNA vaccine encoding either the soluble …

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A Syntax-Based Reading Intervention For English As Second-Language Learners, Christina Tausch Jan 2012

A Syntax-Based Reading Intervention For English As Second-Language Learners, Christina Tausch

LSU Doctoral Dissertations

Students with English as second language (ESL) are typically behind monolingual peers in reading comprehension even when phonemic awareness skills, phonics and word recognition are at grade level. The lack of syntactic awareness is one of the reasons cited in multiple studies (August & Shanahan, 2010; Da Fountoura & Siegel, 1995; Lesaux & Siegel, 2003; Lesaux et al., 2006; Chong, 2009). This study investigated the effects of a six week intervention designed to increase syntactic awareness, including meta-awareness of key structures of English for young ESL students in the upper elementary grades. Twenty typically developing ESL students in the fourth …

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An Exploratory Study Of Informal Science Learning By Children Ages 2-12 Years At Selected U.S. Children's Gardens, Mary Flake Legoria Jan 2012

An Exploratory Study Of Informal Science Learning By Children Ages 2-12 Years At Selected U.S. Children's Gardens, Mary Flake Legoria

LSU Doctoral Dissertations

ABSTRACT This exploratory study was conducted at four children’s gardens in major botanical gardens across the United States to determine if children became more aware and knowledgeable of plants while visiting these gardens. This was determined through the children’s garden stakeholders’ perspectives; the stakeholders of this study were the children and parents who visited the gardens. Their views were acquired through on-site observations and interviews. The purposive sample comprised 64 participants including 40 children (19 girls and 21 boys, ages 2- 12 years). There were 18 mothers, 3 fathers, 3 grandmothers, and 1 grandfather. The 40 children were observed and …

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Climate Change Policy In The European Union: Examining The Emissions Trading System, Tabitha Marie Cale Jan 2012

Climate Change Policy In The European Union: Examining The Emissions Trading System, Tabitha Marie Cale

LSU Doctoral Dissertations

The European Union Emissions Trading System (EU ETS) is a cap-and-trade program regulating the carbon emissions of specific industrial facilities and is the EU’s primary policy mechanism for complying with emissions reduction targets found in the Kyoto Protocol. This dissertation examines the overall effectiveness of the EU ETS and more specifically what factors explain why some member states are more successful at reducing their carbon emissions than others. OLS and logistic regression models are constructed as well as qualitative case studies of Sweden, Denmark, Portugal and Greece, to examine observed differences in emissions in all 27 EU member states from …

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Osmoregulation And Acid-Base Tolerance In Fish, Shujun Zhang Jan 2012

Osmoregulation And Acid-Base Tolerance In Fish, Shujun Zhang

LSU Doctoral Dissertations

The gill, with a large surface area in intimate contact with the environment, is the primary organ of ion and acid-base regulation in fish. These same characteristics make the gill epithelium particularly susceptible to a number of environmental perturbations, including osmotic challenges and metabolic acidosis. For most freshwater fish, the active uptake of the strong ions, sodium and chloride, are intimately linked with the excretion of acid and base equivalents, respectively. However, fish from the genus Fundulus, are unique in their apparent lack of active chloride uptake at the gills. This unique feature makes limiting Cl- loss through paracellular pathways …

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