The 1894 Magazine celebrates the groundbreaking work of our faculty and students, whose dedication to research and innovation enriches our communities at large. From cutting-edge advancements in science and engineering to impactful studies in social sciences and humanities, their efforts exemplify the commitment to excellence that defines Louisiana Tech.
This is not a complete listing of research activity but represents a portion of the incredible work being done by Louisiana Tech faculty. Articles listed were published in 2024 and submitted for inclusion by authors.
College of Engineering and Science
Shaurav Alam
Front. Struct. Civ. Eng.
An analytical method is presented for estimating frictional resistance at the interface of soil and coated, pressurized steel pipes, based on 36 experiments. It examines coating types, soil types, and overburden depths, introducing a dimensionless factor “Z” for more accurate and simplified calculations compared to existing methods.
Prabhu Arumugam
Enhancing Heavy Metal Detection through Electrochemical Polishing of Carbon Electrodes
Biosensors
This innovation, funded by a $6 million National Science Foundation grant, offers a practical solution for large-scale, on-site detection of toxic chemicals, improving environmental and public health monitoring.
Prashanna Bhattarai
A Novel Transmission Tower Model for Playback Testing of Lightning Events on Time Domain Relays
2024 56th North American Power Symposium (NAPS)
Time domain relays (TDRs) detect traveling waves from lightning-induced back-flashovers on transmission towers. This paper introduces a faster, lumped R-L circuit model for lightning surge analysis, offering an efficient alternative to traditional models for large-scale systems.
Reactive Power Compensation of Induction Motors Supplied with Unbalanced Voltage
2024 56th North American Power Symposium (NAPS)
Shunt capacitor banks correct the degraded power factor of induction motors (IMs), but traditional sizing methods overlook voltage unbalance. This study uses the Electromagnetic Transients Program to analyze reactive compensation for a 6-pole, 10 HP, 230 V squirrel-cage IM under unbalanced voltage.
Novel Approach to Traveling-Wave-Based Fault Location in Nonhomogeneous Lines
2024 IEEE Kansas Power and Energy Conference (KPEC)
Traveling wave (TW)-based fault location is gaining traction in the U.S. power grid due to its high accuracy. This article presents a novel technique that improves TW-based fault location accuracy, along with an enhanced method for estimating TW propagation velocity in multi-segmented lines.
2024 IEEE Texas Power and Energy Conference
This article examines the impact of induction motors on voltage unbalance in power systems through simulations using the Electromagnetic Transients Study Program (EMTP). The study focuses on the IEEE 34-node test feeder with unbalanced loads, where induction motors are connected at nodes with the highest unbalance.
Power Factor Correction of Linear Loads Under Unbalanced Voltage Conditions
2024 IEEE Texas Power and Energy Conference
This study presents simulation results for correcting power factor using a passive LC compensator under unbalanced voltages. The compensator is designed using Currents’ Physical Components (CPC) Power Theory, and simulations are conducted in EMTP. The paper also provides a brief discussion on the compensator’s design fundamentals.
Elisa Castagnola (Lead Author), Et. Al.
Advanced Materials Technologies 2024
This study used photolithography to engineer miniaturized Glassy Carbon devices for neurotransmitter sensing and electrophysiology. These devices, small, biocompatible, and electrochemically favorable, allowed real-time detection of dopamine and serotonin, as well as single-unit activity in the mouse brain.
PEDOT/CNT Flexible MEAs Reveal New Insights into the Clock Gene’s Role in Dopamine Dynamics
Journal Advanced Science
We studied dopamine dynamics in the context of circadian rhythm regulation in mouse brains, thanks to the use of an advanced technology that enable stable chronic simultaneous electrophysiological recordings and tonic dopamine level readings for four weeks.
Micromachines 2024
Flexible neural implants improve brain tissue integration, but metal electrodes lack stability for effective neurochemical detection. This study compares two fabrication methods for miniaturized flexible devices using glassy carbon electrodes. By refining these techniques, we aim to advance carbon-based neural implants for long-term sensing.
Ann Clifton
European Journal of Combinatorics
This paper examines fundamental questions about rooted binary trees, which are structures used to model relationships like family trees. The research focuses on how much information is needed to uniquely reconstruct these trees from their smaller parts and identifies trees with the smallest and largest sets of such parts.
Weizhong Dai
Journal of Computational Physics
This article introduces a new wave-absorption method that unifies Schrödinger equations with one-way wave equations using a fractional-order momentum operator. The method is solved using the Finite-Difference Time-Domain (FDTD) method, making it efficient and parallelizable.
Mark DeCoster
Copper–Cystine Biohybrid-Embedded Nanofiber Aerogels Show Antibacterial and Angiogenic Properties
ACS omega
Copper–cystine high aspect ratio structures (CuHARS) possess exceptional physical and chemical properties and show remarkable biodegradability in physiological conditions. This research reveals CuHARS’s effectiveness as both a bactericidal agent and a promoter of angiogenesis through copper release and nitric oxide production, making it a promising material for tissue regeneration and wound healing.
Evolving therapeutic interventions for the management and treatment of Alzheimer’s disease
Ageing Research Reviews
Alzheimer’s Disease (AD) patients face memory loss, cognitive impairment, behavioral abnormalities, and mood changes. This review highlights recent FDA-approved treatments and explores alternatives, including vaccines, stem cells, nanotechnology, gene therapy, natural products, and off-label drugs like NSAIDs and anti-diabetic medications.
Additively Manufactured 316L Stainless Steel as a Potential Alternative Implant Material
Journal of Materials Research and Technology
Stainless steel (SS) fabricated by laser melting (SLM) with low-stress processing showed improved microstructural features, corrosion resistance, and biocompatibility in biological Locke’s solution.
Pharmaceutics
After traumatic brain injury (TBI), inflammation contributes to delayed onset of mood and memory disorders. This study showed that the peptide KAFAK, delivered non-invasively, crosses the blood-brain barrier and reduces proinflammatory cytokine production. Behavioral tests in TBI mice revealed improved recovery, highlighting KAFAK’s potential to treat inflammation-related brain injury.
Songming Hou
Shortest paths of Rubik’s Snake composite knots with 9 crossings
International Robotics and Automation Journal
The Rubik’s snake is a toy invented over 40 years ago. The paper studies shortest paths for composite knots with 9 crossings formed by a Rubik’s snake.
Torus knot designs using a Rubik’s Snake
International Robotics and Automation Journal
This paper studies how to design torus knots using a Rubik’s snake.
Arun Jaganathan
Inversion of circumferential elastic waves for characterization of concrete pipes
Wave Motion
This paper presented the inversion of circumferentially propagating elastic waves in reinforced concrete pipes. The unknown elastic and geometric parameters of the pipe are calculated non-destructively by mathematically inverting the multi-modal dispersion image measured from the pipe.
Yuri Lvov
ACS Nano
This study explores the use of halloysite in cosmetic creams, thanks to its biocompatibility and effectiveness in topical treatments, digestive applications, and wound healing. Dr. Lvov has secured four U.S. patents for halloysite’s use in bone implants, cosmetic hair treatments, and coloring.
Joan Lynam
Temperature Effects on Physiochemical Characteristics of Sugar-Based Natural Deep Eutectic Solvents
Advances in Materials Science and Engineering
The Biomass Team measured the density, viscosity, conductivity, pH, and surface tension of sugar-based solvents with lower melting points than would be expected. The combinations of glucose with choline chloride at certain ratios produced a solvent with a melting point lower than the original components.
Loblolly pine needles processing with deep eutectic solvents to develop porous structure
Bioinspired, Biomimetic and Nanobiomaterials
Deep eutectic solvent pretreatment of loblolly pine needles allowed for the removal of lignin leaving an oriented porous cellulose. The deep eutectic solvent pretreated pine needles showed significant enhancements in both specific surface area and pore volume, with microwave pretreatment giving the best results.
Innovative Pavement Materials: Utilizing Corn Stover and Fly Ash in Geopolymers
Environments
The potential was investigated for using fly ash from coal power plants and the leaves and stalks of corn in synthesizing geopolymer, as an alternative material for the construction of roads. Larger corn stover particle size of 0.7 mm were found to give higher compression strength compared to 0.2 mm in geopolymer samples.
Tensile strength and porosity of regolith-based cement with human hair
Frontiers in Space Technologies
Human hair is strong in tensile strength and will become available in any long-term space mission. Cement consisting of Ordinary Portland Cement (OPC), simulated moon dust, deionized (DI) water and human hair showed increased workability and porosity.
Membrane distillation of synthetic urine for use in space structural habitat systems
Green Processing and Synthesis
Direct Contact Membrane Distillation (DCMD) was used with a low temperature heat source to separate water from artificial urine that was then more concentrated. The urea rich concentrated solution then replaced water in cement mixtures that contained simulated moon dust.
Journal of Ecological Engineering
The Biomass Team investigated the hydroponic growth of sugar beets using a standard nutrient solution and the same nutrient solution with a 10 percent replacement using an artificial urine solution that had been concentrated using direct contact membrane distillation (DCMD). The 10 percent synthetic urine treatment gave taller plants with greater stem length and root length.
Recycling
The work investigated separating potable water and urea from artificial urine using Direct Contact Membrane Distillation. The concentrated urine solution was used in simulated moon dust-based cement cured under vacuum at temperatures that simulated temperatures that would be expected in construction on the Moon.
Waste
Direct contact membrane distillation (DCMD) was tested for viability as a method of re-concentrating and stabilizing a nutrient-rich artificial urine stream. Polytetrafluoroethylene (PTFE)- and polyvinylidene (PVDF)-based polymer hydrophobic membranes were used to separate solutes from water.
Arden Moore
Applied Thermal Engineering
Droplet impacts on surfaces are widely studied due to their relevance in industrial and technological applications, such as spray cooling, fire suppression, and turbine cooling. This study investigates impinging droplets using a microfabricated device that senses beneath individual droplets, with data correlated to high-speed video.
Andrew Peters
Macromolecules
Shape memory polymers retain a shape and return to it when heated. They can be used for compact structures that unfold upon heating or materials that respond to stimuli. Machine learning, combined with molecular simulation, was used to design polymers with enhanced properties.
Macromolecules
This article studies the different grafted polymer architectures have on nanoparticle aggregation. Comb polymers with short backbones, long sidechains, and high sidechain density performed best. This is important for increasing nanoparticle/polymer composite stability.
Investigation of polymer-asphalt compatibility using molecular dynamics simulation
The Journal of Physical Chemistry B
Waste plastic can be added to asphalt to improve its properties and prevent excess plastic from being landfilled. However, plastics are not always compatible with all asphalt, and some plastics are compatible with some asphalt and not others. Molecular simulation was used to measure the compatibility between various asphalt and polymers to predict their ultimate performance.
Ramu Ramachandran
ACS Materials and Interfaces
Inverted geometry perovskite solar cells have fabrication advantages. Introducing nickel oxide as an ingredient results in lower net costs, higher efficiencies, and superior stabilities.
Advanced Functional Materials
This work report studies on two new additives in the perovskite film that increase their efficiency. Lab experiments and computations shed light on the nature of the favorable interactions between the additives and the perovskite, resulting in a measured power conversion efficiency of 24 percent.
Lee Sawyer
The ATLAS trigger system for LHC Run 3 and trigger performance in 2022
Journal of Instrumentation
The ATLAS detector at the Large Hadron Collider features over 100 million electronic channels and records collisions every 25 nanoseconds. This paper describes the system’s architecture and commissioning during Run 3, with Louisiana Tech contributing to the software used to monitor jets in particle events.
Measurements of jet cross-section ratios in 13 TeV proton-proton collisions with ATLAS
Physical Review D
Quantum Chromodynamics (QCD), the theory describing quark and gluon interactions, has the strong coupling constant alpha_s αs as a key parameter. By studying events in proton-proton collisions, where quarks and gluons form collimated streams called “jets,” these properties were measured.
Physical Review D
A microscopic black hole, if produced, would quickly evaporate into energetic particles, detectable in the ATLAS detector. However, searches in data from 2015 to 2018 found no evidence for quantum black holes predicted in some beyond-the-Standard-Model theories, setting strict limits on the likelihood of such events.
Hussain Shaik
Advanced Solid Geopolymer Formulations for Refractory Applications
Materials
Geopolymer formulations using fly ash, potassium hydroxide, and silicate, with mullite and alumina as aggregates, were studied for compressive strength after exposure to 2000°F. After 10 cycles at 2000°F, the geopolymer with mullite reached 16,700 psi after the fourth cycle.
Minerals
This study investigates the mechanical performance of steel and PVA fibers in geopolymer concrete. Steel fibers (three percent by volume) significantly enhanced compressive strength, reaching 15,500 psi after 28 days. Blast furnace slag increased shrinkage, but fibers reduced it to some extent.
Progress in Nuclear Energy
This study evaluates mill scale and bismuth trioxide as radiation shielding materials in geopolymer composites. X-ray diffraction confirmed bismuth ferrite as the key shielding phase.
Lingxiao Wang
Deep Learning-based Wildfire Smoke Detection using Uncrewed Aircraft System Imagery
IEEE International Conference on Ubiquitous Robots
This work introduces a novel deep learning (DL)-based method for smoke detection from uncrewed aircraft system (UAS) visual observations. The core idea involves segregating forest areas from non-forest regions, such as sky and lake, and exclusively applying smoke detection to forested areas, thus eliminating the chance of misidentifying clouds and water as smoke.
Robotic Odor Source Localization via Vision and Olfaction Fusion Navigation Algorithm
Sensors
Robotic odor source localization (OSL) is a technology that enables mobile robots or autonomous vehicles to find an odor source in unknown environments. This work introduces a fusion navigation algorithm that combines both vision and olfaction-based techniques.
Jay Xingran Wang
Proceedings, ASCE Geo-Structures 2024
The research presented in this paper focused on the analysis of wave pressure and the development of wave pressure envelopes that can be used in the design of coastal embankments.
Collin Wick
A Molecular Dynamics Modeling Framework for Shape Memory Vitrimers
Journal of Polymer Science
Vitrimers are polymers that can reform bonds over time, making them inherently self-healing. A framework was developed to simulate these materials at the molecular level, accurately reproducing their thermal and mechanical properties.
Yang Xiao
Nano Research Vol. 17
A novel Pt nanolayer catalyst has been developed and exhibits excellent activity and stability for the catalytic dehydrogenation of ethane and propane into ethylene and propylene, i.e., two important chemicals for the petrochemical industry. The catalyst shows superior coke resistance, high activity, and selectivity toward ethylene and propylene.
Sandra Zivanovic
Physical implementation of cobalt ferrite memristor in Chua’s circuit for chaotic encryption
Microelectronic Engineering
Cobalt ferrite thin film base memory resistor on silicon has been fabricated and tested in the Institute for Micromanufacturing laboratories. This discrete electronic device that has memory of past voltage or current, has a perspective application in cybersecurity, cryptography, and neuromorphic computing that tries to mimic the behavior of neurons.
College of Business
Marcia Dickerson
Cognitive Biases and Research Miscitations
Applied Psychology: An International Review
Prior research shows high rates of miscitations, often linked to lack of author motivation. This study explores how cognitive biases — source confusion, gist memory, and repetition — also contribute, even among motivated authors.
John Dogbey
Spatial econometric modelling of U.S. COVID-19 policy stringency
Applied Economics
This paper examines how neighboring states influence COVID-19 policy stringency in the U.S. Using a Spatial Durbin Model on the 48 contiguous states and Washington D.C, over 61 biweekly periods, we find that both geography and politics play key roles, with political spillovers having a greater impact than geographic factors.
Jeffery Haynie
Journal of Management
When coworkers act unfairly during supervisor-assigned tasks, victims blame supervisors, leading to negative perceptions of their leadership and reduced willingness to assist. This study highlights the social complexities of workplace injustices.
David Herda (Lead Author) and John Lauck
Behavioral Research in Accounting
This study examines how different construal mindsets affect skepticism and performance in low-level assurance tasks. Using 195 online participants, we find that concrete mindsets enhance task performance by improving focus on detailed evidence that may contradict client assertions.
R. Anthony Inman
Supply Chain Complexity and Traceability in Adverse Events: A COVID-19 Perspective
IEEE Transactions on Engineering Management
This study analyzes data from nonfood manufacturers during the COVID-19 pandemic disruption in the summer of 2021. Results show that, in the absence of information sharing as a mediator, complexity positively impacts transparency and traceability, contrasting some existing literature findings.
A COVID Replication and Extension of Firms’ Resilience to Supply Chain Disruptions
Supply Chain Management: An International Journal
This study replicates and extends Ambulkar et al.’s (2015) work, testing resource reconfiguration as a mediator and risk management infrastructure as a moderator in supply chain disruption and firm resilience. The model includes a pandemic disruption variable, with results showing that these factors improve firm resilience and supply chain performance, mitigating COVID-19’s impact.
Ming Ju
A Preliminary Test of ChatGPT’s ESG Literacy
Managerial Finance
This paper explores ChatGPT’s effectiveness in addressing ESG challenges, testing its performance on questions from Bloomberg, Corporate Finance Institute, and Alison.com.
Melanie Koskie
The Role of Brand Gratitude in Consumer Relationships with Cool Brands
Journal of Product and Brand Management
This research demonstrates that “cool” brands can significantly increase repeat purchases, with consumer gratitude playing a key role — stronger than emotions like love or passion. Visibility in social settings amplifies feelings of gratitude, further motivating repeat purchases.
Jae “Jake” Lee
Computers and Security
This study explores the use of post-data breach protective technologies (PDBT), defined as the application of protective information technologies following a data breach. It examines how users’ psychological understanding of protective technology and organizational justice procedures influence their intent to use PDBT.
IEEE Transactions on Technology and Society
This research examines the factors that foster employees’ engagement in extra-role security behaviors, which help organizations reduce safety and security threats. Additionally, the study explores threat appraisal through Routine Activity Theory (RAT), showing that employees’ understanding of organizational routines influences their perception of data breach threats.
Hani Mesak
IEEE Transactions on Engineering Management
This article examines how a monopolistic retailer optimally allocates a product under uncertain demand to a prioritized, multisegmented market. Using dynamic programming (DP), the study develops an optimal allocation scheme and shows that it leads to monotonically increasing prices across segments.
Julie Moulard
The Authentic Virtual Influencer: Authenticity Manifestations in the Metaverse
Journal of Business Research
This research explores the rise of virtual influencers — computer-generated characters used by brands for product promotion. Based on interviews with industry leaders and consumers, the study outlines how virtual influencers can express the three types of authenticity: true-to-ideal, true-to-fact, and true-to-self.
Jonathan Peterson
Teaching Production Theory Through Simulation
The Journal of Economic Education
This study presents a web application, designed in the R programming language, as an experiential learning tool for teaching production theory. The app simulates production decisions, allowing users to explore optimal input mixtures through experimentation.
Nasim Sabah
The Impact of Social Distancing on Trading Activity During the COVID-19 Pandemic
Financial Management
This study examines the impact of social distancing during the pandemic on stock trading. Using location data, it shows that smaller, less visible companies saw reduced trading due to limited in-person interactions, while larger, more transparent companies experienced increased activity through alternative information-sharing methods.
Financial Review
This paper examines the role of skilled employees in a company’s success. It demonstrates that firms with strong talent retention and alignment with local labor markets are more innovative and have higher valuations.
Local Labor Match and Corporate Investments: Evidence From New Flight Routes
Journal of Financial Research
This research examines how alignment between a firm’s required skills and the local labor market affects investment decisions. The study highlights the importance of local labor compatibility in shaping corporate strategies and regional economic growth.
Lingna Sun
Bond Liquidity and Corporate Cash Holdings
Review of Business
This study shows that bond illiquidity has a causal positive effect on corporate cash holdings. Illiquidity increases the value of cash, especially for financially constrained firms. The findings are relevant for regulators and practitioners making decisions on liquidity and investments.
The Role of Stock Liquidity in Blockholder Governance: Evidence From Corporate Social Responsibility
The Financial Review
This study uses the exogenous increase in stock liquidity from decimalization to examine its impact on corporate social responsibility (CSR). It finds that enhanced blockholder governance reduces excessive CSR performance and increases firm value, highlighting the role of blockholder exit threat in improving agency-driven CSR.
College of Education and Human Sciences
Tina Allen
Teaching in the post-COVID Classroom
Research Issues in Contemporary Education
After COVID-19, this project explores how instructional practices, student interactions, and professional expectations have changed for educators. It also addresses the need for teacher preparation programs to equip preservice educators for the post-pandemic classroom.
Development of a Rubric to Measure Radiography Programmatic Assessment Plan Quality
Radiologic Science & Education
This study proposes a self-assessment method for radiography program directors and instructors to develop and evaluate their programmatic assessment plans.
Examining Inter-Rater Reliability: The Critical Role of Calibration in Assessment
The Field Experience Journal
Ensuring consistent ratings across multiple evaluators is crucial for the validity of assessments. This article describes a calibration training activity with faculty evaluators and mentor teachers to address discrepancies in clinical residency evaluations.
Jordan Blazo
Sibling comparisons, sibling relationship quality, and perceived sport competence in young athletes
Psychology of Sport and Exercise
This study examines the link between sibling comparisons in sports, sibling relationship quality, and perceived sport competence in young athletes. It found that a warmer relationship, along with frequent comparisons, predicts higher sport competence, particularly for younger siblings.
Social Sciences and Humanities Open
This study explores the impact of race and family income on parents’ views of their children’s sports participation during and after COVID-19. It found that white, high-income families had the highest participation rates and planned greater investment in youth sports afterward.
Shelby Curtis
Completing the deficit model of psychopathy: The critical role of rule governance
Criminal Justice and Behavior
This article argues that psychopathy is rooted in deficits in general personality traits, such as empathy, honesty-humility, conscientiousness, and rule governance. It highlights rule governance—the tendency to follow rules regardless of personal agreement—as a key focus.
Mu Qiao
American Journal of Sports Medicine
High elbow valgus torque in pitchers linked to countermovement jump kinetics! Our study shows how jump mechanical power and ground reaction force may predict UCL injury risk. Early detection can protect athletes.
David Szymanski
Journal of Strength and Conditioning Research
Significant relationships of lower body force and power in the countermovement vertical jump test with fastball velocity of Division I pitchers were observed. Baseball coaches, strength coaches, and clinicians are encouraged to include lower-body explosive training to enhance the force and power output capacity of baseball pitchers.
Introduction to an advanced change of direction test in baseball and softball: The curvilinear ability test
Strength and Conditioning Journal
This article introduces the Curvilinear Ability Test (CAT), a field assessment designed to measure curvilinear and change of direction speed (CODS) in baseball and softball base running. It emphasizes recording segment times, not just total test time, to better identify athletes’ CODS strengths and weaknesses.
The relationship between various jump tests and baseball pitching performance: A brief review
Strength and Conditioning Journal
Ground reaction forces (GRFs) and jump tests in baseball pitchers reveal insights into lower-body power, which impacts performance and injury risk. This review examines factors influencing jump performance, GRFs during pitching, and their connection to pitching outcomes, offering guidance for testing and training lower-body power in pitchers.
Dustin Whitlock
Increasing the Field Experiences of Secondary Teaching Candidates to Impact Readiness for Professional Practice
The Field Experiences Journal
In order to support novice teacher readiness for classroom experience, curriculum changes regarding secondary field experiences were examined. The study found that additional clinical field experiences supported teacher candidates in a positive manner.
College of Liberal Arts
Christobel Asiedu
Sustainable Social Development
This paper highlights case studies, including Flint, Michigan, Washington D.C., and Birmingham, Alabama, where low-income and minority communities are disproportionately affected by lead exposure in drinking water. These regions face severe public health impacts, with socioeconomic burdens concentrated in disadvantaged populations.
Pasquale De Paola
Urban Science
This paper explores integrating technological and social innovations through a resilient, community-focused design approach. In collaboration with MedCamps of Louisiana, the project delivers a shared, inclusive space, highlighting architecture’s role in community well-being and urban regeneration.
Brenda Savage
Sexual and Gender Diversity in Social Services
This study examines informal caregiving among LGBT aging adults using data from a 2017 AARP survey. It finds that cisgender women in the LGBT community are more likely than cisgender men to have been or anticipate becoming caregivers for adult loved ones.
Sociological Inquiry
This study explores the religious and spiritual identities of Black LGBTQ adults using a 2020 nationwide survey. It examines the impact of gender, religious upbringing, and attendance at religious services on the likelihood of identifying as religious and/or spiritual.
College of Applied and Natural Sciences
Melinda Bryan
Audiology Research
The Acceptable Noise Level (ANL) test, used to predict hearing aid use, was analyzed across Dutch, French, and Italian speakers with normal and impaired hearing using three masking conditions. Results showed high-boost noise was less acceptable across all groups, confirming the test’s clinical potential regardless of language.
Michael Crosby
Impacts of posted bridges on log truck routing in Mississippi, USA
International Journal of Forest Engineering
This study used network analysis to evaluate how posted bridges in Mississippi affect timber transport to mills, highlighting infrastructure’s impact on timber supply. Efforts are focused on assessing region-wide effects and prioritizing routes for funding and maintenance.
Remote Sensing
This project used high-resolution satellite data to classify infestation of Southern Pine Beetles in Southern forests. The goal is to use the methodology for monitoring forests for early detection and mitigation of the impacts of forest disturbance.
Julia Earl
Herpetological Conservation and Biology
Crawfish Frogs are of conservation concern in Louisiana and have only been found at one site since the 2000s. Master’s student Simon Boycott, Dr. Julia E. Earl, and a collaborator used modeling and extensive frog call surveys to search for additional populations of Crawfish Frogs in Louisiana.
Effects of Tree Leaves, Tannins, and Water Color on Chlorophyll Concentrations in Ponds
Hydrobiology
The Earl Lab in the School of Biological Sciences found that tree leaf species influence algae growth by releasing chemicals that darken water and reduce light for photosynthesis. This discovery highlights how leaf litter impacts aquatic ecosystems and water quality.
Theresa Maness
Sublethal effects of early-life exposure to common and emerging contaminants in birds
Current Research in Toxicology
Wild birds, especially in the Gulf of Mexico, face developmental risks from chemical exposure during early life stages, threatening survival and reproduction. This review highlights the short- and long-term effects of contaminants, emphasizing the need for conservation to address growing environmental threats.
Applications of conservation physiology to wildlife fitness and population health
Frontiers in Ecology and Evolution
Linking wild animal physiology to fitness and population resilience is vital for conservation but challenging due to diverse environmental stressors. Advances in minimally invasive methods are improving the use of physiological data to predict population trends and guide conservation efforts.
Promoting urban ecological resilience through the lens of avian biodiversity
Frontiers in Ecology and Evolution
Urban areas are key to biodiversity conservation, especially as cities expand in biodiversity hotspots. This paper explores avian biodiversity as an indicator of urban ecological resilience, examining urban stressors, bird-supporting features, and links to social and economic factors. With 68 percent of the population projected to live in cities by 2050, integrating ecological resilience into urban planning is essential for sustainable development.
Global Challenges in Aging: Insights from Comparative Biology and One Health
Frontiers in Toxicology
Avian populations face sharp declines from pollution, habitat loss, disease, and climate change, which also threaten ecosystems and human health. The “toxic aging coin” framework highlights how pollutants accelerate aging and reduce resilience in wildlife and humans. This review uses One Health to promote strategies for preserving health across species and ecosystems.
Kristin Nellenbach (Lead Author) and Carrie Knight
Words matter: Reframing CSD’s Program Thinking About Adolescents
Perspectives of the ASHA Special Interest Groups
Adolescents are often overlooked in CSD graduate programs, with many course titles using ambiguous language that fails to distinguish them from children. This oversight may contribute to neglect within the field. The study offers reasons and suggestions for updating course titles and creating separate offerings to improve equity for adolescents.
Katherine Welch
The Effects of Disaster Relief Insurance on Drought Impacts: A Case Study of Southwest Oklahoma
Review of Regional Studies
This study quantifies the economic losses from exceptional drought in five counties in southwestern Oklahoma from 2000 to 2021, revealing average annual losses of $163 million in output, 1,084 jobs, and $67 million in value-added. Federal Crop Insurance Program indemnities significantly reduced these losses.