Digital Commons Network^™

Digest Of Hydraulic Fracturing Cases, Smita Walavalkar

Sabin Center for Climate Change Law

As U.S. coal exports increase and new infrastructure is proposed to improve access to markets in Asia, controversy has arisen regarding the scope of environmental review that should be carried out by government. In particular, there is significant disagreement as to whether the end-use of exported coal and the emissions generated by its combustion fall within the scope of environmental review under the National Environmental Policy Act of 1969 (NEPA). This paper considers this issue, examining the requirements of NEPA and its implementing regulations, as well as current practice by Federal agencies.

Conceptual Framework For Development Of Comprehensive E-Health Evaluation Tool, Shariq Khoja, Hammad Durrani, Richard E. Scott, Afroz Sajwani, Usha Piryani

Family Medicine, East Africa

Objective: The main objective of this study was to develop an ehealth evaluation tool based on a conceptual framework including relevant theories for evaluating use of technology in health programs. This article presents the development of an evaluation framework for e-health programs.

Materials and Methods: The study was divided into three stages: Stage 1 involved a detailed literature search of different theories and concepts on evaluation of e-health, Stage 2 plotted e-health theories to identify relevant themes, and Stage 3 developed a matrix of evaluation themes and stages of e-health programs.

Results: The framework identifies and defines different stages of …

Dowbenko V. Google, United States District Court For The Southern District Of Florida

Historical and Topical Legal Documents

No abstract provided.

Obado V. Magedson, United States District Court For The District Of New Jersey

Historical and Topical Legal Documents

No abstract provided.

Environmental Law/Environmental Literature, Michael Burger

Sabin Center for Climate Change Law

What, is truly "environmental" about environmental law? This Article is the first attempt to answer this question by integrating Law & Literature scholarship with the study of environmental law. I argue that competing narratives of nature and culture common to the American environmental imagination play a more significant role in environmental law and litigation than previously acknowledged. These competing narratives, communicated through a known set of environmental stories and tropes, are used by attorneys to establish, frame, narrate and argue their cases, and they are absorbed, reimagined, reframed and retold by judges in their written opinions, making environmental law a …

Ecosystem Disturbance And Recovery In Shelta Cave, Christopher Miller

Theses

The ecosystem of Shelta Cave in northern Alabama was observed after the removal of gating in the cave entrances--an apparent long-term disturbance to the resident bat population. It is believed that the loss of bats led to a loss of many other organisms, and with the removal of the gate the ecosystem is now recovering. Many biotic and abiotic factors were measured within the cave to try to estimate the current health and better estimate the future of the ecosystem. The cave environment was found to be very stable, while the number of organisms within the cave, most notably bats, …

A Gas Chromatographic/Mass Spectral Analysis Of Aromatic Medicinal Plants From Tajikistan, Hanjing Zhang

Theses

Tajikistan is a small country located in central Asia which is rich in Aromatic medicinal plants. A large number of locally available plants species are used in the preparation of traditional medicines. However, research on essential oils of medicinal and aromatic plants from Tajikistan is still limited, and only a small number of species have been investigated. In coordination with a chemist from Tajik Academy of Sciences in Dushanbe, six aromatic medicinal plants were collected and their essential oils were extracted for analysis. The targeted plants are Bunium persicum B. Fedtsch., Anethum graveolens L., Galagania frangrantissima Lipsky, Melissa officinalis L., …

Development Of An Enzymatic Assay For Nitrification Inhibitors, Christopher A. James

Theses

According to the United Nations, the world population reached the 7 billion mark in 2011 and is anticipated to climb to 8 billion by 2025. All of these people need food, but many do not get enough. To resolve this critical issue, there is a great need to increase food production. The use of fertilizers is one of the more feasible ways to achieve this; however, nitrogen efficiency is notoriously low, with nitrification--the conversion of ammonium to nitrate--being one reason. Nitrification occurs naturally in the soil; and, once nitrate is formed, the probability for losses increases greatly. Among these losses …

Novel G-Quadruplex Binders With Potential For A Dual Dna Cross-Linking Mechanism Of Action, Nathan S. Duncan

Graduate Student Theses, Dissertations, & Professional Papers

Genomic DNA is organized around the double-stranded of B-form DNA, which is both durable and flexible enough to store and pass on genetic information. Once freed from the associations of an extended complimentary sequence, single stranded DNA and RNA can adopt a vast array of stable secondary structure motifs, such as stem-loop, pseudo-knots, and tetra-loops, ideal for its involvement in biological settings other than as a store of genetic information. Originally, alkylating agents were used as "mustard gas" and related chemical weapons in World War I. Alkylating agents, in general, can react with one or two different 7-N-guanine residues and …

Novel Ribosome Biogenesis In The Lyme Disease Spirochete Borrelia Burgdorferi, Melissa Lynn Hargreaves

Graduate Student Theses, Dissertations, & Professional Papers

Here we demonstrate the first characterization of an RNase III enzyme from a spirochete and its role in processing rRNA transcripts from the unusual rRNA gene operons of Borrelia burgdorferi. In most bacteria, the three rRNA transcripts (16S, 23S, and 5S rRNAs) that form the ribosome are produced as a single transcript from an operon with minimal spacing between genes. In the B. burgdorferi genome, however, a single 16S rRNA gene is encoded more than 3 kb from the bicistronic 23S-5S rRNA operons. The 23S-5S operons are tandemly duplicated, yielding an uneven number of rRNA genes, a feature unique to …

Control By Vegetation Disturbance On Gully Rejuvenation Following Wildfire, Kevin Hyde

Graduate Student Theses, Dissertations, & Professional Papers

Gully rejuvenation (GR) following wildfire influences landform evolution and generates flooding and debris that alters aquatic habitat and threatens human activities. Fire severity, defined as the degree of vegetation loss by wildfire, is a hypothesized control on this erosion response. I investigated three related aspects of the relationship between fire severity and GR: The capacity of vegetation disturbance to explain the occurrence or non-occurrence of GR; the spatial structure of burn mosaics relative to post-fire erosion; and the relationship between fire severity and threshold conditions required for channel initiation. I surveyed 269 burned catchments and mapped 111 cases of GR …

The Effects Of Temperature On Fungal Symbionts In The Mountain Pine Beetle-Fungus Multi-Partite Symbiosis, Melissa Lea Moore

Graduate Student Theses, Dissertations, & Professional Papers

The mountain pine beetle is an economically and ecologically important insect in western North American forests capable of killing millions of trees during outbreaks. This beetle depends on two fungi, Grosmannia clavigera and Ophiostoma montium, to provide the nutrients required for the beetle to develop and reproduce. Competition between these two fungal associates is expected because they use similar resources. Strong competition should lead to the eventual destabilization of the three-way symbiosis and fixation for the most competitive fungus. However, strong direct competition has not been observed, indicating that some mechanism likely allows the two fungi to coexist in a …

Examining Skewed Sex Ratio In The Mountain Plover (Charadrius Montanus) Population, Margaret Mercedes Riordan

Graduate Student Theses, Dissertations, & Professional Papers

Skewed sex ratios can have negative implications for population growth or persistence if not congruous for a species system. A skewed tertiary sex ratio (2.3 males per female) has been detected in the breeding population of a grassland shorebird experiencing population declines, the mountain plover (Charadrius montanus). To evaluate the ontogeny of the observed male skew this study examined the early life stages, from laying to fledging, of mountain plover young during their breeding season from 2010 – 2012 in eastern Colorado. The life stages between laying and fledging that allows for differentiation between production and survival of males and …

Dual Enrollment As A Factor For Women Transitioning Into Stem Majors In Montana Two-Year Colleges, Penny Jane Jakes

Graduate Student Theses, Dissertations, & Professional Papers

The purpose of this non-experimental, descriptive, quantitative study was to describe the impact high school dual enrollment coursework has had on initial enrollment of women with STEM majors in Montana two-year colleges. The study was designed to find whether or not differences existed for access (initial enrollment), persistence (to third semester), and success (associate's degree, certificate, or transfer to a four-year institution within 150% of program length). The literature review highlighted the need for studies to address the issue of few women in science, technology, engineering, and mathematics (STEM) occupations. One goal of dual enrollment in Montana is to ease …

Causes And Consequences Of Dominance And Diversity In Grasslands, Sarah Pinto

Graduate Student Theses, Dissertations, & Professional Papers

Understanding how species coexist and differ in abundance is central to ecology. Theory predicts competitively superior species should dominate systems and suppress diversity, yet many natural communities characterized by dominants are species rich. Understanding how shifts in dominance among species, and the inherent diversity of communities affect ecosystem function is a second central theme in ecology. For example, decreasing the number of species in local communities can reduce the ability of the community to respond to disturbance. These ideas have captured ecologists' attention because anthropogenic pressures are causing many systems to lose species. In my dissertation I focused on processes …

Nanosecond Pulsed Electric Field (Nspef) Ablation As An Alternative Or Adjunct To Surgery For Treatment Of Cancer, Ru Chen, Xinhua Chen, Stephen J. Beebe

Bioelectrics Publications

Surgery as resection or transplantation remains a fundamental means for cancer treatment and often offers an opportunity for a cure. However, surgery is not always possible because of tumor proximity to blood vessels or ducts or when a patient is not healthy enough to undergo surgery. Application of nanosecond pulsed electric fields (nsPEFs) is a new approach to treat cancer using pulse power technology that was originally designed for military purposes. This novel approach deposits extremely short pulses of high power, low energy electric fields into malignant tissues using electrodes to encompass tumors. Pre-clinical studies show that treatments are effective …

Atomic Force Microscopy Characterization Of Collagen ‘Nanostraws’ In Human Costal Cartilage, Michael W. Stacey, Diganta Dutta, Anthony Asmar, H. Elsayed-Ali, R. Kelly Jr., A. Beskok

Bioelectrics Publications

Costal cartilage, a type of hyaline cartilage that bridges the bony ribs and sternum, is relatively understudied compared to the load bearing cartilages. Deformities of costal cartilage can result in deformation of the chest wall, where the sternum is largely pushed toward or away from the spine, pectus excavatum and pectus carinatum, respectively, with each condition having significant clinical impact. In the absence of extensive literature describing morphological features of costal cartilage, we characterized a sample from the costal margin immunohistologically and through atomic force microscopy. We had previously observed the presence of collagen ‘nanostraws’ running the length of costal …

A Spatially-Explicit Decision Support System For Invasive Weed Species Management, Pablo Aracena

Graduate Student Theses, Dissertations, & Professional Papers

Invasive weed species are a recognized problem worldwide causing economic and environmental problems. Management of weeds is complex and challenging because of multiple decisions that need to be made when allocating limited resources to control current infestation areas including which weeds to treat, where to treat, how to treat, and when to treat. Models have been developed to simulate weed spread, however they lack the ability to simulate the short term effects of weed treatments and analyze trade-offs among control allocation options. This trade-off analysis is critical in developing cost-efficient treatment decisions especially when available budget for treatments is limited. …

Variations In Wildfire Ash Properties And Implications For Post-Fire Hydrological Response Within Western North American Ecosystems, Victoria Balfour

Graduate Student Theses, Dissertations, & Professional Papers

Within the Rocky Mountain region of the Western U.S.A the average number of wildfires over 40 hectares have quadrupled and the frequency of large wildfires (> 4,000 hectares) have increased seven times since the 1970’s. The effect of this increase on resource management and ecosystem function is of increased interest to agencies and land managers within the region. The research presented in this dissertation aimed to contribute to the growing knowledge of post-fire hydrology, specifically with regards to the role of wildfire ash within recently burned ecosystems. Ash should not be considered a generic term, as it is an important …

An Attributional Analysis Of Observers Helping The Bully In Bullying Episodes, Christopher James Bushard

Graduate Student Theses, Dissertations, & Professional Papers

Student attitudes regarding bullying are mixed. Although most students appear to condemn the behavior (Boulton & Underwood, 1992), a sizable minority group displays beliefs and attitudes supportive of bullying (Rigby & Slee, 1991; Rigby & Slee, 1993). Previous research has also found that students involved in bullying situations can be categorized into different roles based on their behaviors during bullying episodes (Samivalli, Huttunen, & Lagerspetz, 1997). An established method to measure and predict attitudes and thoughts about a person’s actions in a situation is to use an attribution framework. Weiner (1995) proposes an attribution model in which the observer’s thoughts …

The Relationship Between Montana Science Teachers Self-Efficacy And The Integration Of Web 2.0 Elements In The Classroom In Schools With A Student Population Over 900, Robert Dobell

Graduate Student Theses, Dissertations, & Professional Papers

Web 2.0 tools are part of the 21st century school, and are essential elements to teachers in the classroom as our students today are part of the digital generation (Prensky, 2001). Web 2.0 tools offer the instructor the ability to design the learning environment to focus on collaboration and a facilitation of content knowledge (Solomon & Schrum, 2007). This study investigated the use of web 2.0 tools in the largest 14 high schools in Montana with a student population of 900 or more, and identified relationships that influenced the integration of the tools into the science classroom. Montana science teachers …

The Genetic Basis Of Fitness: Detecting Inbreeding Depression And Selective Sweeps In Bighorn Sheep, Martin Dennis Kardos

Graduate Student Theses, Dissertations, & Professional Papers

Understanding the fitness effects of inbreeding is a crucial and long standing goal in conservation and evolutionary biology. Many studies measure individual inbreeding (F, the proportion of genome that is identical by descent) and its fitness effects using either pedigrees or molecular markers. Knowing which genes most strongly affect fitness can help to explain why some individuals outperform others, and elucidate the mechanisms of inbreeding depression and adaptation. However, identifying adaptive genes is difficult in most species because of limited genomic resources.

I used simulations to evaluate the performance of marker- and pedigree-based measures of F and inbreeding depression. I …

Ecology Of Juvenile Salmon In Large Floodplain Rivers: The Influence Of Habitat Modification By Beavers (Castor Canadensis) On Salmon Growth And Production, Rachel Lanelle Malison

Graduate Student Theses, Dissertations, & Professional Papers

I investigated the influence of beavers on aquatic floodplain habitats and determined how juvenile salmon habitat use, growth, survival, movement, and production varied by habitat type in a large alluvial floodplain of the Kwethluk River in western Alaska. I also compared juvenile salmon production at the floodplain scale in the Kwethluk River (with beavers), to a very similar salmon river in Kamchatka (the Kol) that has no beavers.

Beavers modified 87.5% of the aquatic off-channel habitat of the Kwethluk River, which was composed of three successional stages of beaver ponds (early-, mid-, and latesuccessional), and beaver-influenced spring brooks. Early-successional ponds …

Interactions Between Arenavirus Proteins And Small Molecule Inhibitors Of Infection, Emily L. Messina

Graduate Student Theses, Dissertations, & Professional Papers

Arenaviruses are globally distributed, negative-sense, single-stranded RNA viruses which persist in specific rodent host species. Of the 32 known arenaviruses, 10 have been associated with human disease. Of these, Lassa, Junín, Machupo, Guanarito, and Sabia viruses cause severe hemorrhagic fevers. The only current option for the treatment of arenavirus infection is the off-label use of ribavirin. However, ribavirin is associated with severe side effects. Clearly, there exists a need for the study of arenavirus biology and of novel drugs for the treatment of arenaviral infection. My work focused on two attractive targets for inhibition of infection: the arenaviral RNA-dependent RNA …

Psychological Adjustment And Relational Development In Ethiopian Adoptees And Their Families, Waganesh Zeleke

Graduate Student Theses, Dissertations, & Professional Papers

The number of American families choosing to adopt a child from Ethiopia has increased exponentially since 2004. Over the past five years alone, between 2006 and 2011, 13.5% of internationally adopted children in the U.S. came from Ethiopia. The purpose of this study was to examine psychological adjustment and relational development of Ethiopian adoptees who have been adopted during 2007 -2010 and their families who reside in Montana.

Using a convenience-sampling method, data were collected from 25 adoptive parents who adopted a total of 35 children from Ethiopia. All families live in Montana and responded to questions through an online …

Applications Of Autonomous Ph And Pco2 Sensors To Study Inorganic Carbon Dynamics In A Coastal Upwelling System, Katherine Elizabeth Harris

Graduate Student Theses, Dissertations, & Professional Papers

Submersible Autonomous Moored Instruments for pH and pCO2 (SAMI-pH and SAMI-CO2) were deployed in a coastal upwelling zone on the Oregon Coast to collect unique multi-season, multi-year datasets of carbonate system dynamics. This is the first long-term deployment of the SAMI-pH paired with a SAMI-CO2. The objectives of this study included (1) improving the accuracy of the SAMI-pH (2) assessing the performance of using paired SAMI-pH and SAMI-CO2 measurements to calculate other carbonate system parameters and (3) analyzing the data to better understand the seasonal, inter-annual, and upwelling variation in the coastal marine carbonate system. SAMI-pH accuracy was improved by …

Impulsivity Like Traits And Risky Driving Behaviors Among College Students, Matthew R. Pearson, Elaine M. Murphy, Ashley N. Doane

Psychology Faculty Publications

The present study examined the predictive effects of five impulsivity-like traits (Premeditation, Perseverance, Sensation Seeking, Negative Urgency, and Positive Urgency) on driving outcomes (driving errors, driving lapses, driving violations, cell phone driving, traffic citations, and traffic collisions). With a convenience sample of 266 college student drivers, we found that each of the impulsivity-like traits was related to multiple risky driving outcomes. Positive Urgency (tendency to act impulsively when experiencing negative affect) was the most robust predictor of risky driving outcomes. Positive Urgency is a relatively newly conceptualized impulsivity-like trait that was not examined in the driving literature previously, suggesting a …

Honors @ Georgia Southern, University Honors Program Students And Staff, Georgia Southern University

Honors College: News & Publications (2008-2020)

• Undergraduate Research
• Honors in Action
• Honors Annual Report
• Alumni Updates
• 30 Years of Honors
• Invest in Honors

Primary Pathways Of Intracellular Ca2+ Mobilization By Nanosecond Pulsed Electric Field, Iurii Semenov, Shu Xiao, Andrei G. Pakhomov

Bioelectrics Publications

Permeabilization of cell membranous structures by nanosecond pulsed electric field (nsPEF) triggers transient rise of cytosolic Ca²⁺ concentration ([Ca²⁺]_i), which determines multifarious downstream effects. By using fast ratiometric Ca²⁺ imaging with Fura-2, we quantified the external Ca²⁺ uptake, compared it with Ca²⁺ release from the endoplasmic reticulum (ER), and analyzed the interplay of these processes. We utilized CHO cells which lack voltage-gated Ca²⁺ channels, so that the nsPEF-induced [Ca²⁺]_i changes could be attributed primarily to electroporation. We found that a single 60-ns pulse caused fast [Ca2+]_i increase …

Response To "Sodium Current Inhibition By Nanosecond Pulsed Electric Field (Nspef) - Fact Or Artifact?" By Verkerk Et Al, Andrei G. Pakhomov

Bioelectrics Publications

It was nice to learn that our studies of nanosecond pulsed electric field (nsPEF) effects on membrane currents [Nesin et al., 2012; Nesin and Pakhomov, 2012] gained the attention of scientists outside the immediate field of bioelectromagnetics.