Digital Commons Network^™

Potential Biosurfactant-Producing Bacteria From Pharmaceutical Wastewater Using Simple Screening Methods In South-West, Nigeria, Aderonke K. Akintokun, Seun O. Adebajo, Caroline A. Akinremi

Applied Environmental Research

merging multiple opportunities for industrial production and environmental applications have focused increasing research attention on biosurfactants in recent years. Hydrocarbon-polluted soils have proved a major source of biosurfactant-producing bacteria. In this study an alternative method of producing biosurfactants was established, based on pharmaceutical effluents. Pharmaceutical effluents are a rich source of complex organic compounds with potential as a substrate for micro-bial biosurfactant production. A successful biosurfactant screening assay is achieved when a com-bination of different methods are employed. Biosurfactant producing bacteria were isolated from pharmaceutical effluent and identified by biochemical methods. The best biosurfactant producer was identified by a molecular …

Dominant Root Associated Fungi (Raf) From Drynaria Quercifolia L. Either Induce Or Retard Growth Of Psb Rc10 Rice (Oryza Sativa L.) In Gibberellic Acid-Inhibited Medium, Jomar L. Aban, Racquel C. Barcelo, Evelyn E. Oda, Gaudelia A. Reyes, Teodora D. Balangcod, Rosemary M. Gutierrez, Roland M. Hipol

Applied Environmental Research

The testing and use of microorganisms for in vitro growth promotion of agriculturally significant crops such as rice has increased but remains underexploited. The current study aims to explore growth-enhancing mechanisms of dominant root-associated fungi (RAF) isolates from Drynaria quercifolia and test their effects on rice. The most abundant RAF on five tree-collection sites were cultured in vitro. Genomic DNA of the RAF were extracted and the ITS (internal transcribed spacer) region of the 18S ribosomal DNA (rDNA) were sequenced and molecularly identified. Two RAF isolates significantly increased the plant shoot/total length (Meyerozyma guilliermondii: 10.29±4.18/13.46±4.18 cm; Trichoderma simmonsii: 10.33±1.38/13.23+1.58 cm), …

Bioaccumulation Of Heavy Metals Using Selected Organisms Isolated From Electronic Waste Dumpsite Of Two South-Western States In Nigeria, Akintokun K. Aderonke, Onatunde O. Oladimeji, Olufunke B. Shittu, Itunu C. Okeyode, Michael O. Taiwo

Applied Environmental Research

Heavy metals from electronic wastes can accumulate to alarming concentrations in soils, causing significant detrimental impacts on human life and the environment. Bioaccumulation of heavy metals by bacteria and fungi has been a major focus of most bioremediation studies owing to the excellent metal-binding properties. The current study was conducted to isolate the most promising Zn, Cu and Pb tolerant microorganisms from contaminated soils, and to assess their metal accumulating abilities. Bacillus licheniformis, B. polymyxa, Pseudomonas aeruginosa, Micrococcus roseus, Aspergillus niger and A. flavus were selected for the bioaccumulation study, based on their known tolerance to heavy metals. Bacillus licheniformis …

Affective Domain Learning In High-Fidelity Simulation: Students’ Perspectives, Ketty M. Holt

Dissertations

Affective domain learning is an integral element to developing nursing students who can provide holistic, patient-centered nursing care. Often an invisible objective in nursing education, affective learning is rarely described beyond the first two levels of the domain: receiving and responding. In this phenomenological inquiry, the experiences of undergraduate nursing students, while participating in high-fidelity simulation, were examined and described for affective domain learning. In addition, this study compared the descriptions of third- and fourth-year students in an effort to understand the progressive nature of affective learning. Twenty-five third- and fourth-year students from the baccalaureate nursing programs of two universities, …

Biracial Multiracial Lesbian Gay Bisexual Queer Student Leaders Making Meaning Of Their Experiences, Robert Jason Kunstman

Dissertations

Five biracial multiracial lesbian gay bisexual queer student leaders shared stories about their undergraduate experiences at a prestigious southern university. Critical cultural and constructivist paradigm provided the framework for supporting this narrative inquiry. Through multiple interviews, participants shared stories of their background, educational journey, and the impact they hope to have in the future. Through those interviews, participants also shared stories of their journey to understanding their racial identity, sexual identity, leadership experiences, and experiences centered on the intersections of race, sexuality, and leadership. Stories explored participants’ sense of belonging, code switching, functioning in racial and sexual identity specific spaces, …

Possibilities For Farm Policy In A Trump Era, Stephen Carpenter, Kirsten Valentine Cadieux

Journal of Food Law & Policy

This essay addresses options for the Trump administration in promoting a modern, sustainable, and inclusive agricultural system. This essay considers what might be achieved while the Trump administration stays committed to its goals, espoused throughout the Trump campaign. The particularly relevant goals affecting the administration’s agricultural policy are shrinking government, decreasing the number of illegal immigrants, and renegotiating free trade.

Ord River Irrigation Area Stage 2: M2 Supply Channel - Compliance Assessment Report 2016 - Statement 938, Stratagen

Reports

The WA Minister for State Development (the proponent) has approval to develop land for irrigated agriculture across the Weaber, Keep River and Knox Creek Plains, located north-northeast of Kununurra in the eastern Kimberley region of WA and extends to the Keep River estuary in the Northern Territory. The area of development (M2 Area) is immediately northeast of the existing Ord River Irrigation Area (ORIA), with proposed development representing the second stage of the ORIA scheme. It comprises approximately 76 000 ha (including Buffer Areas) and a key part of the development is main irrigation channel (the ‘M2 channel’), that extends …

Identification Of Dynamic Outliers, Kangkana Sarmah Baruah

Theses, Dissertations and Culminating Projects

Several methods for performing the identification of outliers are described when dealing with functional data. The methods studied include prediction intervals for detection of dynamic functional outliers as well as related methods from the functional data literature. A comparison of methods is performed using metrics for dynamic outlier identification. Simulations and applications to environmental studies illustrate the applicability of the methods. Results obtained from simulation and application to real dataset suggest that Dynamic Function-on-Function Regression is a preferable method for detecting dynamic outliers. This method can detect outliers at a very high identification rate. Identification rate of dynamic outliers increases …

A Retro Development In Education: Evaluating The Feasibility Of Integrating Place-Based Education Into Mississippi Curriculum Standards, Colby K. Mcclain

Honors Theses

This thesis evaluates the feasibility of integrating place-based environmental education activities from Think Green, Take Action: Books and Activities for Kids into the Mississippi Department of Education’s (MDE) Frameworks for Science and Social Studies for K-5. As children develop and experience the world, their ability to understand and interpret the surrounding environments expand; however, Mississippi schools are not focused on experiential environmental education, even though experiencing and understanding the surrounding environment is vital in fostering eagerness to learn. Due to a growing disconnect between humans and the natural world, this thesis examined 37 place- and environment-based activities for children, sixteen …

Trout Fishing In The Smokies And The Blue Ridge, 1880-Present: How-To, History, And Habitat, Nathaniel Cole Skaggs

Electronic Theses and Dissertations

This study focuses on trout fishing in the Great Smoky Mountains and the Blue Ridge Mountains from 1880 to 2017. I begin with a collection of personal narratives of fly-fishing in Tennessee to portray the allure of southern Appalachia trout fishing. I then describe the transition from native Cherokee fishing practices to sport fishing in the Smokies and the Blue Ridge by 1880. I explore a brief history of the National Parks and the United States Forest Service during the early 1900s, and address European fly-fishing influences in the United States during the twentieth century. I examine the habitats of …

Video Game Engagement, Gender, And Age: Examining Similarities And Differences In Motivation Between Those Who May Or May Not Play Video Games, Joseph Camarata

Electronic Theses and Dissertations

This research aims to fill a research gap by examining video games to explore whether gender, age, or hours played per week would exert any influence on the information of those who may or may not play video games. Mood Management Theory and Uses and Gratification Theory were used as the theoretical foundation for this study. Four-hundred-three East Tennessee State University students who received the survey via email were asked to voluntarily participate in a survey about their motivations behind playing video games. Results from MANOVA showed that the motivations of male participants on video games were significantly higher than …

Land Use As An Indicator Of Stream Habitat Quality In Salt Creek, Adam Brown

Department of Environmental Studies: Undergraduate Student Theses

This study sought to quantify land use types in Lancaster County and identify which, if any, environmental parameters were significantly influencing fish and invertebrate distribution in the Salt Creek basin. Historical sampling data were obtained from the Nebraska Department of Environmental Quality. Watershed land cover maps were created and the percentages of urban/developed, forested, row crop, and grassland use were calculated. This data was combined with NDEQ water quality parameter, fish, and invertebrate sampling data to conduct nonmetric multidimensional scaling. This analysis did not provide significant conclusions about the driving force of fish and invertebrate distribution in this region because …

Eating Is Not Political Action, Joshua Galperin, Graham Downey, D. Lee Miller

Journal of Food Law & Policy

To create policy at the interface of the centrally important and overlapping American ideals of agriculture and the environment, there are two options. Passive governance fosters markets in which participants make individual choices that aggregate into inadvertent collective action. In contrast, assertive governance allows the public, mediated through elected officials, to enact intentional, goal-oriented policy. This essay contends that the latter option, assertive governance, is the only appropriate means of creating harmony between agriculture and the environment it depends upon.

Ecological Importance Of Invader Source Population And Disturbance In Aquatic Invasions, Nicole Elizabeth Graham

Graduate Theses and Dissertations

Invasive species are a global problem and their effects on recipient ecosystems may be mediated by disturbance and intraspecific variation. Crayfish can substantially influence stream structure and function, and invasive crayfish often have differential impacts than native crayfish in aquatic ecosystems. Since species traits often vary across a distribution, it is possible that invasive crayfish from different source populations may have distinct impacts on recipient ecosystem structure and function. In the Ozark Highlands of Arkansas and Missouri, USA, invasive O. neglectus (the Ringed Crayfish) may be leading to the displacement of native O. eupunctus (the Coldwater Crayfish). The objective of …

Faculty Senate Agenda, May 1, 2017, Utah State University

Faculty Senate & Faculty Senate Executive Committee

• Calendar Committee
• Faculty Diversity, Development Equity
• Committee on Committees
• EPC April Report
• Faculty Senate President & President-Elect Coverage

Nowhere To Go : Informal Settlement Eradication In Kigali, Rwanda., Emily E Benken

College of Arts & Sciences Senior Theses

Following the new world order of the post-Cold War era, the rise of developmentalism stressed the moral necessity of installing capitalist models of growth in the global south. The reproduction of narratives of modernity and teleological progression were reproduced in numerous African cities and actualized in policies related to urban development. The consequent trend of urbanization has been the systemic eradication of informal settlements and large-scale displacement to make way for modern, productive urban areas.

One site of this pattern is Kigali, Rwanda. Since the turn of the century, official “vision projects” released by the Rwandan government have reimagined the …

Shannon Rogers Joins Community & Economic Development Team, Shannon Rogers

UNH Today Archive

No abstract provided.

Targeting Sav Restoration At Lake Mattamuskeet Using Gis And Landsat 8 Data, Lindsey Shanks

Theses, Dissertations and Culminating Projects

Lake Mattamuskeet, a large, shallow lake on the coast of North Carolina, has undergone water quality degradation and submerged aquatic vegetation (SAV) decline over recent years. Water depth and water clarity have been established as key drivers of SAV loss. To target locations for the restoration of SAV in the lake, an analysis that focuses on water clarity, water depth, and current SAV presence was developed. Two separate methodologies were conducted and compared to analyze water clarity in the lake. The first applied four years (2013-2016) of Landsat 8 imagery to a previously developed model that predicts water clarity from …

Gas Transfer Velocities In Small Forested Ponds, Meredith A. Holgerson, Emily R. Farr, Peter A. Raymond

Environmental Science and Management Faculty Publications and Presentations

Inland waters actively exchange gases with the atmosphere, and the gas exchange rate informs system biogeochemistry, ecology, and global carbon budgets. Gas exchange in medium- to large-sized lakes is largely regulated by wind; yet less is known about processes regulating gas transfer in small ponds where wind speeds are low. In this study, we determined the gas transfer velocity, k₆₀₀, in four small ( < 250 m² ) ponds by using a propane ( C₃H₈ ) gas injection. When estimated across 12 h periods, the average k₆₀₀ ranged from 0.19 to 0.72 m d^-1 across …

Environmental Dna (Edna) Detects The Invasive Crayfishes Orconectes Rusticus And Pacifastacus Leniusculus In Large Lakes Of North America, Eric R. Larson, Mark A. Renshaw, Crysta Gantz, John Umek, Sudeep Chandra, David M. Lodge, Scott P. Egan

Environmental Science and Management Faculty Publications and Presentations

We report results of a study that made reciprocal comparisons of environmental DNA (eDNA) assays for two major invasive crayfishes between their disparate invasive ranges in North America. Specifically, we tested for range expansions of the signal crayfish Pacifastacus leniusculus (Dana, 1852) into the Laurentian Great Lakes region known to be invaded by the rusty crayfish Orconectes rusticus (Girard, 1852), as well as for the invasion of O. rusticus into large lakes of California and Nevada, US known to be invaded by P. leniusculus. We compared eDNA detections to historic localities for O. rusticus within the Great Lakes, and to …

Clearing The Fog: A Historical Analysis Of Environmental And Energy Law In Colorado, Lucas C. Satterlee

Villanova Environmental Law Journal (1991 - )

No abstract provided.

University Of Central Florida Undergraduate Catalog, 2017 - 2018, University Of Central Florida

UCF Catalogs

No abstract provided.

Desorption Electrospray Ionization (Desi) Mass Spectrometric Imaging Of Spatially Regulated In Vivo Metabolic Rates, Charlotte Reininger Lewis

Theses and Dissertations

Desorption electrospray ionization (DESI) is an ambient ionization technique used for mass spectrometric imaging of biological samples. When coupled with isotopic ratio measurements of deuterium-labeled tissues, DESI provides a means of measuring metabolic rates on a spatially resolved basis. In vivo metabolic rates are desired to better understand diseases such as Alzheimer's, Parkinson's, Huntington's, and various forms of cancer that negatively impact metabolic rates within different organs of the human body. Although DESI has been used to image lipids and metabolites of a variety of tissues and other imaging techniques, such as NIMS, have been used to study kinetic turnover …

The Lebanese Trash Crisis, Araz Khajarian

ENV 334 Environmental Justice

Thinking about what it means to be a human being in the 21st century comes with many different aspects that one needs to take into consideration. Human Rights is becoming more complicated as life requires more in some areas and less in other as it proceeds. Clean air and water are one of those rights that every human being should have access to. When humans are denied access to those two, especially for political or class stratification reasons, a case of environmental injustice should be identified. Not everyone has equal access to all resources neither does everyone consume the same …

Micro Plastics And Their Implications For Human Health: An Environmental Justice Approach, Alexis Smith

ENV 334 Environmental Justice

Studies have shown microplastics are ubiquitous within global waterways. They have been found in waterways that supply drinking water to millions and they have also been found at various levels within the aquatic food chain. This implies that, not only are we eating microplastics, we are drinking them too. What does the reality that we are consuming plastic daily mean for humans as a species?

Undergraduate Student Perceptions And Awareness Of Genetic Counseling, Amanda Gerard

Dissertations and Theses (Open Access)

Genetic counseling (GC) is a rapidly expanding field, and the supply of certified genetic counselors is currently unable to keep up with job demand. Research is fairly limited regarding the awareness and perceptions potential genetic counseling program applicants have of the field and what factors most influence their interest in the field. This study aimed to examine some of these topics. The current study includes data collected from 1,389 undergraduate students in the sciences at 23 universities across the United States who were surveyed regarding information related to their awareness, perceptions, knowledge, and interest in GC. Data analysis was performed …

Leaks In The System: Environmental Flows, Aboriginal Rights, And The Modernization Imperative For Water Law In British Columbia

UBC Law Review

No abstract provided.

Mitigating An Energy Utility Death Spiral In The United States: Applying Lessons From Germany, Eric W. Hopf, Will O'Brien, Timothy Downs, Alistair Pim

Sustainability and Social Justice

The purpose of this paper is to present evidence that the United States is entering a "Utility Death Spiral" - a dramatic shift away from the utility based model of electricity supply to consumers. It also explores how U.S utilities can reposition themselves to best mitigate the economic losses associated with a Death Spiral. A Utility Death Spiral is currently taking place in Germany called the "Energiewende" and it is having immediate impacts on its energy landscape. The case study of the Energiewende is presented, its impacts, and the response taken by the country’s “big four” utility companies. After analyzing …

Addressing Conundrums For Urban Environmental Planning Under Climate Change In Mexico City, Mexico And Rosario, Argentina, Eric Pasay

Sustainability and Social Justice

Urban centers in Latin America are experiencing rapid growth and a host of intertwined environment and development problems related to climate change. In response, cities have started implementing sustainability initiatives and climate action plans. These plans generally target key sectors, ranging from transportation to water and sanitation, and focus on infrastructure improvements. Often, the objectives of sustainability plans are not met and tend to be mitigation-centric, despite explicit calls to address urban poverty. This paper analyses two case studies in Mexico City, Mexico and Rosario, Argentina to illustrate three risk conundrums that limit the success of sustainability initiatives in cities. …

Capturing The Resilience Dividend: Post Hurricane Sandy Insights From Brooklyn's Sea Gate Community, Alexander M. Rezk

Sustainability and Social Justice

This research project presents a resilience, governance, and vulnerability analysis of populations traditionally considered as non-vulnerable to natural disasters and climate related events. The paper examines how homeowners in Sea Gate, a neighborhood located on Coney Island, in Brooklyn, New York, experienced systemic disruption following Hurricane Sandy. This research sets out to answer the following questions: How does the lived experience of homeowners in a coastal community reflect the creation of newly vulnerable populations in regard to natural disasters in New York City? How is the current municipal resilience strategy being perceived as managing these shifts? And finally, what avenues …