Digital Commons Network^™

Students On The Spectrum, Kristin Mallory, Dana Burnside

Instructional Leadership Abstracts

changed many aspects of our lives this year. Things we’ve taken for granted in the past are now different, and we’re being forced to become comfortable with ways of doing things that are unfamiliar, and often initially uncomfortable. Last week, I had an issue with my Verizon bill and had to call customer service. I understood that because of COVID-19, customer service representatives were working from home, and wait times would be considerably longer. The wait was long. It was almost an hour long, whereas in the past connecting to a representative might have taken 10 minutes. I felt impatient; …

Validating Tackle Mechanics In American Football: Improving Safety And Performance, Arthur C. Maerlender, Caitlin J. Masterson, Rex Norris, Adam Hinthorne

Center for Brain, Biology, and Behavior: Faculty Publications

Research has helped to understand the risks of injuries of tackling in American football and rugby; however, approaches to teaching and analysis are not well-documented. Shoulder-led tackling has been proposed as a safer approach to tackling even though data on the effectiveness for safety and defensive performance is limited. Additionally, some have argued that safety and effectiveness are incompatible. The purpose of the study was to validate a specific sequence of tackling actions as a tool for teaching safer and more effective tackling skills. Results suggested tackle scores help predict presence of head contact, and that higher tackle scores were …

The 2017 Economic Impact Of The Nebraska Agricultural Production Complex, Eric Thompson, Bradley Lubben, Jeff Stokes

Bureau of Business Research Publications

Executive Summary

Nebraska is home to a large and diverse agricultural production complex involved in growing, processing, and transporting agricultural products as well as supplying agricultural producers. Included in this complex are: crop production, livestock production, agriculture-related manufacturing, transportation, and wholesaling, and agri-tourism.

This study has been conducted to provide a benchmark assessment of the economic impact of Nebraska agriculture on the state’s economy. The impact is estimated for 2017, the year of the most recently completed Census of Agriculture. That Census provides detailed information on production, employment, and other activity in crop and livestock production.

The study relies on …

Vestibular Evoked Myogenic Potential (Vemp) Test-Retest Reliability In Children, Elizabeth Fuemmeler, Amanda Rodriquez, Megan Thomas, Tom Creutz, Denis Fitzpatrick, Kristen L. Janky

Department of Psychology: Faculty Publications

Objective—Vestibular evoked myogenic potentials (VEMPs) are short-latency muscle potentials measured from the neck (cervical VEMP; cVEMP) or under the eyes (ocular VEMP; oVEMP), which provide information regarding function of the saccule and utricle, respectively. VEMPs are reliable when performed in adults; however, reliability of VEMPs in children is unknown. Therefore, the purpose of the study was to determine the test-retest reliability of c- and oVEMP testing in normal control children.

Study Design—Prospective.

Setting—Hospital.

Patients—Ten adults, 14 adolescent children and 13 young children with normal hearing.

Interventions—c- and oVEMP testing were completed across two test sessions …

Evaluating The Effect Of Non-Thermal Processing And Enzymatic Hydrolysis In Modulating The Antioxidant Activity Of Nebraskan Great Northern Beans, Madhurima Bandyopadhyay

Department of Food Science and Technology: Dissertations, Theses, and Student Research

Great Northern Beans (GNB), a major pulse crop of Nebraska, are a rich source of dietary proteins and has the potential to release peptides with beneficial biological properties upon enzymatic hydrolysis. Thermal processing, such as boiling, is the most common way to process beans; it makes the beans palatable and also improves the accessibility of the proteolytic enzymes. Heat treatments destroy the naturally present essential bioactive components in beans like phytochemicals and could be prevented using an alternative non-thermal process. High Pressure processing (HPP), a non-thermal process and the most used alternative to thermal processing, can influence the storage proteins …

Development Of A Minority Stress Preventive Intervention For Sexual And Gender Minority Youth And Young Adults, Natalie Holt

Department of Psychology: Dissertations, Theses, and Student Research

Mental health disparities amongst sexual and gender minority (SGM) individuals are spurred by exposure to minority stressors and sustained by mediators of problems with emotion regulation, social support, and cognitive processes. Emerging clinical research suggests empirically supported behavioral health treatments can be culturally adapted to address these mental health disparities, however less work has focused on the prevention of symptoms. The present study developed a brief preventive intervention targeting mediators of the minority stress model for SGM youth and young adults aged 17 to 26. Focus groups with 8 SGM participants informed development to ensure the content and delivery of …

The Disproportionate Impact Of Covid-19 On Older Latino Mortality: The Rapidly Diminishing Latino Paradox, Rogelio Sáenz, Marc A. Garcia

Department of Sociology: Faculty Publications

Objectives: This brief report aims to highlight stark mortality disparities among older Latinos that result from the novel coronavirus disease (COVID-19) pandemic.

Methods: We use recent data from the Centers for Disease Control and Prevention to compute age-specific death rates (ASDRs) for three causes of death: deaths from COVID-19, residual deaths, and total deaths for four age-groups (55-64, 65-74, 75-84, and 85 and older) to assess the impact of COVID-19 on older Latino mortality relative to non-Latino Whites and non-Latino Blacks and also in comparison to residual deaths. Additionally, we obtain ASDRs for all causes of deaths from 1999 to …

Effect Of Motor-Assisted Elliptical Training Speed And Body Weight Support On Center Of Pressure Movement Variability, Farahnaz Fallahtafti, Chase M. Pfeifer, Thad W. Buster, Judith M. Burnfield

Department of Mechanical and Materials Engineering: Faculty Publications

Background: A motor-assisted elliptical trainer is being used clinically to help individuals with physical disabilities regain and/or retain walking ability and cardiorespiratory fitness. Unknown is how the device’s training parameters can be used to optimize movement variability and regularity. This study examined the effect of motor-assisted elliptical training speed as well as body weight support (BWS) on center of pressure (CoP) movement variability and regularity during training. Methods: CoP was recorded using in-shoe pressure insoles as participants motor-assisted elliptical trained at three speeds (20, 40, and 60 cycles per minute) each performed at four BWS levels (0%, 20%, 40%, and …

What Are Total Export Commitments Telling Us About Beef’S Potential In 2020: Positive Signs?, Elliott James Dennis

Extension Farm and Ranch Management News

Overarching Market Conditions

The recent cattle on feed report suggests that cattle feedlots are coming closer to sorting through much of the backlog associated with plant closures and shutdowns as a result of plant workers testing positive for COVID-19 and plants implementing CDC and OSHA worker health recommendations. For example, the number of cattle on feed over 90 days has dipped below 2019 levels for the first time since April. However, cattle on feed over 120 days is still about 10% higher than 2019. The result of cattle being on feed longer is sustained record level dressed weights for both …

Estimating Economic Minimums Of Mowing, Fertilizing, And Irrigating Turfgrass, Douglas J. Soldat, James T. Brosnan, Ambika Chandra, Roch E. Gaussoin, Alec Kowalewski, Bernd Leinauer, Frank S. Rossi, John C. Stier, J Bryan Unruh

Department of Agronomy and Horticulture: Faculty Publications

The public health crisis and economic recession caused by the COVID-19 pandemic have forced turfgrass industry professionals to re-evaluate standard practices. Minimum costs required to fertilize, irrigate, and mow turfgrasses can be roughly estimated using climate data, turfgrass physiology information, and resource costs. Although the actual minimum costs vary situationally and regionally, mowing golf putting greens optimally requires about US$34 per acre per month, whereas other turfgrass areas cost less than US$11 per acre per growing month. Fertilizer applications to turfgrass cost US$22 or less per acre per growing month. Irrigation costs (water and electricity for pumping) vary widely, with …

Resilience Characteristics Of The Urban Agriculture System In Lansing, Michigan: Importance Of Support Actors In Local Food Systems, Caitlin K. Kirby, Lissy Goralnik, Jennifer Hodbod, Zach Piso, Julie C. Libarkin

School of Natural Resources: Faculty Publications

Urban agriculture is a growing movement in cities across the United States, including the post-industrial Midwest. Maintaining a resilient local food system is a challenge given the environmental, resource, and institutional barriers facing urban farmers. In this descriptive correlational study, we take an in-depth look at the demographics, farm characteristics, motivations, barriers, and resilience indicators of individuals in the urban agriculture system in Lansing, Michigan, a city of the US Midwest with a growing urban agriculture system. Survey responses (n = 92) revealed that support actors, community gardeners, and farmers have descriptive differences in their motivations, with support actors (e.g. …

Vampire Bats: Preparing For Range Expansion Into The U.S., Michael J. Bodenchuk, David L. Bergman

United States Department of Agriculture Wildlife Services: Staff Publications

The common vampire bat apparently is expanding its range northwards in Mexico and seems poised to enter the southern United States. Climate models predict suitable habitat in the U.S. in south Texas and parts of southern Arizona. While vampire bats’ northward range expansion is not unexpected, the fact that this species brings a strain of rabies that impacts livestock and people warrants a strategic response. Annual economic damages from bats are estimated between $7M and $9M, largely associated with deaths of livestock from rabies. To prepare for the emerging rabies issue, USDA Wildlife Services programs in Texas and Arizona have …

Want To Improve Organizational Outcomes? Consider People Analytics, Quality Improvement Center For Workforce Development (Qic-Wd)

Other QIC-WD Products

People analytics has been around for more than 20 years. However, it continues to be viewed as an emerging area of study. People analytics shows the contribution that the workforce makes to organizational success and provides insight to maximize that contribution. It is an evidence-based practice that allows human resources (HR) staff to evaluate practice for the purpose of improving outcomes for employees, and to communicate with the workforce the effectiveness of personnel management and HR practice. People data, when used appropriately, may improve trust and transparency within organizations.

There is evidence that organizations are not using the people and …

2020 Nebraska Property Tax Changes, J. David Aiken

Cornhusker Economics

The Nebraska Unicameral enacted significant property tax relief legislation in the closing days of the 2020 legislative session. The last-minute compromise was negotiated by seven legislators selected by the Speaker. The compromise estab-lishes a refundable state income tax credit of an estimated 6% of the property taxes paid for local schools (excluding property taxes for school bonds and school budget overrides). Taxpayers will be able to claim this credit on next year’s Ne-braska state income tax return. For fiscal years (FYs) 2021-22 through 2023-24 (i.e. from July 1, 2021, through June 30, 2024), the amount availa-ble for the refundable state …

Cross-Domain Identification For Thermal-To-Visible Face Recognition, Cedric Nimpa Fondje, Shuowen Hu, Nathaniel J. Short, Benjamin S. Riggan

Department of Electrical and Computer Engineering: Faculty Publications

Recent advances in domain adaptation, especially those applied to heterogeneous facial recognition, typically rely upon restrictive Euclidean loss functions (e.g., L2 norm) which perform best when images from two different domains (e.g., visible and thermal) are co-registered and temporally synchronized. This paper proposes a novel domain adaptation framework that combines a new feature mapping sub-network with existing deep feature models, which are based on modified network architectures (e.g., VGG16 or Resnet50). This framework is optimized by introducing new cross-domain identity and domain invariance loss functions for thermal-to-visible face recognition, which alleviates the requirement for precisely co-registered and synchronized imagery. We …

University Of Nebraska Board Of Regents Student Code Of Conduct, Effective August 14, 2020, University Of Nebraska

University of Nebraska Board of Regents: Policies, Acts, and Other Materials

Students at the University of Nebraska are members of an academic community in which academic integrity and responsible conduct are essential for the community to function. To ensure that students know what is expected of them, the University has adopted the Standards of Academic Integrity and Responsible Conduct (“Standards”).

University Of Nebraska Five-Year Strategy, Revised August 12, 2020, Ted Carter, Trev Alberts, Bob Bartee, Anne Bowen, Andrew Burival, Lori Byrne, Brenda Eschenbrenner, Doug Ewald, John Falconer, Laura Grams, Kevin Hanrahan, Ken Hansen, Abi Javier, Stancia Jenkins, Emily Johnson, Chris Kabourek, Mary Lagrange, Peter Longo, Martha Mamo, Richard Moberly, Ashley Mueller, Keith Ozanne, Lance Perez, Juliann Sebastian, Susan Sheridan, Will Thomas, Barb Weitz, Bob Wilhelm

University of Nebraska Board of Regents: Policies, Acts, and Other Materials

The University of Nebraska Five-Year Strategy: Trust, Predictability, and Positive Outcomes for Nebraskans

In February 2020, the newly named president of the University of Nebraska system, Ted Carter, gathered a diverse 28-member team of students, faculty, staff, and administrators to help chart the path forward for Nebraska’s public university. The team’s goal: At a time of great change in higher education, lay out a vision for what the future should look like for the University of Nebraska.

Broad themes quickly emerged, including student access and success, excellence in teaching and research, diversity and inclusion, partnerships, and fiscal effectiveness. Then COVID-19 …

Risk Management Needs And Challenges For Agriculture, Bradley D. Lubben

Cornhusker Economics

Farmers and ranchers must continually manage risk in their operations to be successful. But the amount of risks and challenges they have faced over the past few months and years seems almost unprecedented. From financial challenges toproduction and market shocks to public health scares and policy developments, agriculture has had to respond and adapt to a wide range of issues.

Development And Performance Assessment Of An Integrated Vermifiltration Based Treatment System For The Treatment Of Feedlot Runoff, Rajneesh Singh, Matteo D'Alessio, Yulie Meneses, Shannon L. Bartelt-Hunt, Brian Woodbury, Chittaranjan Ray

Nebraska Water Center: Faculty Publications

The objective of this study was to treat feedlot runoff by developing an ecologically sustainable, affordable, and resilient treatment system having a relatively long life span. Three horizontal flow soil biofilters were utilized in this study: 1) without earthworms and plants (Biofilter (BF)), 2) with earthworms only (Vermifilter (VF)), and 3) with earthworms and plants (Macrophyte Assisted Vermifilter (MAVF)). The experiments were conducted with a hydraulic retention time of four days using Lumbricus terestrris earthworms and Carex frankii wetland plants. The average COD removal from the BF, VF, and MAVF were 23.2–30.4%, 61.4–69.1%, and 68.3–78.1%, respectively. Average TN removal efficiencies …

Using Climate To Explain And Predict West Nile Virus Risk In Nebraska, Kelly Helm Smith, Andrew J. Tyre, Jeff Hamik, Michael J. Hayes, Yuzhen Zhou, Li Dai

National Drought Mitigation Center: Faculty Publications

We used monthly precipitation and temperature data to give early warning of years with higher West Nile Virus (WNV) risk in Nebraska. We used generalized additive models with a negative binomial distribution and smoothing curves to identify combinations of extremes and timing that had the most influence, experimenting with all combinations of temperature and drought data, lagged by 12, 18, 24, 30, and 36 months. We fit models on data from 2002 through 2011, used Akaike's Information Criterion (AIC) to select the best‐fitting model, and used 2012 as out‐of‐sample data for prediction, and repeated this process for each successive year, …

Food System And Water–Energy–Biodiversity Nexus In Nepal: A Review, Roshan Subedi, Madhav Karki, Dinesh Panday

Department of Agronomy and Horticulture: Faculty Publications

Water, energy, and biodiversity are essential components for building a sustainable food system in a developing country like Nepal. Green Revolution technologies and the package of practices largely ignored the role of ecosystem services, leaving a large population of small farmers’ food- and nutrition-insecure. Biodiversity, especially, agrobiodiversity is in decline and this vital cross-cutting element is less discussed and interlinked in nexus literature. The interlinking food system with water–energy–biodiversity nexus, therefore, is essential to achieve a resilient food system. It ensures the vital structures and functions of the ecosystem on which it is dependent are well protected in the face …

Resilience In Nonmetropolitan Nebraska: Capacity To Overcome Disasters And Hardships, 2020 Nebraska Rural Poll Results, Rebecca Vogt, Cheryl Burkhart-Kriesel, Brad Lubben, L.J. Mcelravy, Timothy Meyer, Steve Schulz, Jason L. Weigle

Rural Futures Institute: Publications

The definition of resilience is the capacity to recover quickly from difficulties. Synonyms include toughness, perseverance and grit. Last spring’s severe weather events and this year’s ongoing COVID-19 pandemic are likely testing the resilience of rural Nebraskans. Given that, how do rural Nebraskans rate their communities on dimensions that measure their resiliency? How confident are they that the federal government or local emergency management authorities can contain infectious disease outbreaks? How do they rate their ability to help their community handle adversities? How prepared are rural Nebraskans to deal with financial emergencies? This paper provides a detailed analysis of these …

Next-Generation Sequencing In Equine Genomics, Jessica L. Petersen, Stephen J. Coleman

Department of Animal Science: Faculty Publications

• Next-generation sequencing of both DNA and RNA represents a second revolution in equine genetics following publication of the equine genome sequence.

• Technological advancements have resulted in a wide selection of next-generation sequencing platforms capable of completing small targeted experiments or resequencing complete genomes.

• DNA and RNA sequencing have applications in clinical and research environments.

• Standards for the validation and sharing of next-generation sequencing data are critical for the widespread application of the technology and applications discussed herein.

• As researchers and clinicians develop a better understanding of how genetic variation and phenotypic variation are linked, next-generation sequencing could help pave the …

G.R.A.C.E. Under Pressure, Kimberly Lowry

Instructional Leadership Abstracts

As we welcome faculty, staff and students back to campus and implement the first weeks of classes and activities, we do so while facing one of the greatest challenges higher education has ever seen. The COVID-19 pandemic has completely disrupted nearly every aspect of how we teach, how we serve students and how students attend college. In just five short months, we have re-examined and adjusted all that we had relied upon in our professional and personal lives. And yet, we will come together, continue adjusting, and focus on how best to ensure we take care of one another while …

Nebline, August 2020

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

Be an Active Family with Outdoor Activities

EXTENSION OFFICE OPEN

Recipes of the month

What You Need to Know About Having a Well Drilled

Almost Time for Fall Lawn Seeding

Chiggers: Itching in all the Wrong Places

Collect – Share – Practice: Family Emergency Communication Plans

August Blooming Perennial Flowers

Garden Guide: Things to Do This Month

Creating Reading Routines During the Summer Months

HEART OF 4-H

4-H Youth and Volunteers Sew 1,789 Hats and Masks for Bryan Health

4-H’ers Problem Solve Real-Life Situations at County Life Challenge

Virtual State Public Speaking Contest Results

State Fair to Focus on Showcasing …

Quantitative Assessment Of Alkali-Silica Reaction In Small And Large-Scale Concrete Specimens Utilizing Nonlinear Acoustic Techniques, Clayton Malone

Department of Civil and Environmental Engineering: Dissertations, Theses, and Student Research

Nonlinear resonance techniques have been shown to be sensitive to microcracking in materials, including alkali-silica reaction (ASR) damage in concrete. However, application of nonlinear resonance tests have been limited due to the difficulty of application to large-scale field structures and the inability to quantitatively relate material nonlinearity with damage development. In this study, the development of ASR in concrete prisms and large concrete beam specimens of varying aggregate types and specimen sizes was monitored using linear and nonlinear resonance techniques.

For the concrete prisms, although the linear resonance frequency test could detect initiation and development of ASR damage in specimens …

Nitrate Dynamics And Source Within Nested Watersheds Of An Agricultural Stream, Nebraska, Usa, Galen Richards

School of Natural Resources: Dissertations, Theses, and Student Research

Nitrate concentrations have been increasing throughout the globe, primarily due to heightened agricultural activity. Nitrate concentrations in Bazile Creek, located in Northeastern Nebraska, have been steadily rising since the early 2000s. Groundwater nitrate concentrations within the Bazile Creek watershed are high (> 10 mg/L nitrate-N), and there is strong connectivity between groundwater and surface water systems. This study aimed to better understand temporal nitrate concentration variability within the watershed through sampling tributaries and the main channel during baseflow conditions. Nitrate source was also investigated though the use of dual δ¹⁵N and δ¹⁸O nitrate isotopes, with samples …

Feral Swine, Michael P. Glow, Nathan P. Snow, Kurt C. Vercauteren

Wildlife Damage Management Technical Series

Feral swine (Sus scrofa; Figure 1), also known as feral hogs, feral pigs, wild pigs, wild boar, or other similar derivations, are a non-native species considered to be one of the most destructive invasive terrestrial vertebrates in North America. While feral swine populations remained relatively small and confined in the continental United States following initial introductions by European explorers during the 15th century, substantial range expansion has occurred across every geographical region of the United States (Figure 2). This expansion has primarily been attributed to human-mediated movements, predominately for the purpose of establishing populations for recreational hunting, and facilitated by …

Life Cycle Assessment Of The Us Beef Processing Through Integrated Hybrid Approach, Shaobin Li, Yuwei Qin, Jeyamkondan Subbiah, Bruce Dvorak

Department of Civil and Environmental Engineering: Faculty Publications

Hybrid life cycle assessment (LCA) incorporating process-based and economic input-output (EIO)–based inventory data has been applied in various industries (e.g., wind energy, biofuel). Few hybrid LCA studies have been found in the food industry. This work analyzes the life cycle environmental impacts of the US beef processing industry using process-based and integrated hybrid LCA. The process-based inventory includes all resource inputs and waste outputs associated with a beef processing plant. The EIO-based inventory includes key activities missing in the process-based inventory, such as technical and management service, wood and paper, and industrial equipment. Ten environmental impact categories from TRACI v2.1 …

The Color Of Covid-19: Structural Racism And The Pandemic’S Disproportionate Impact On Older Racial And Ethnic Minorities, Marc A. Garcia, Patricia A. Homan, Catherine Garcia, Tyson H. Brown

Department of Sociology: Faculty Publications

Objectives: The aim of this evidence-based theoretically informed essay is to provide an overview of how and why the COVID-19 outbreak is particularly detrimental for the health of older Black and Latinx adults.

Methods: We draw upon current events, academic literature, and numerous data sources to illustrate how biopsychosocial factors place older adults at higher risk for COVID-19 relative to younger adults, and how structural racism magnifies these risks for older Black and Latinx adults.

Results: We identify three proximate mechanisms through which structural racism operates as a fundamental cause of racial/ethnic inequalities in COVID-19 burden among older adults: (1) …