Digital Commons Network^™

2022 Academic Program Review

School of Natural Resources: Documents and Reviews

No abstract provided.

Fish & Wildlife News: Fall 2022, Matt Trott

Fish and Wildlife News

No abstract provided.

How Search Committees Assess Teaching: Lessons For Ctls, Katharine Phelps Walsh, Laura Ochs Pottmeyer, Deborah Meizlish, Chad Hershock

To Improve the Academy: A Journal of Educational Development

This study updates and expands upon past work on how tenure-track hiring committees evaluate teaching effectiveness to provide centers for teaching and learning (CTLs) current data as they support graduate students and postdocs navigating the academic hiring process. In this study, 166 hiring committee chairs from nine academic disciplines and a variety of institution types (e.g., Baccalaureate, Master’s, and Doctoral) responded to survey questions addressing how they evaluate teaching effectiveness for tenure-track positions. Results indicate that hiring chairs across institution types and disciplines value a candidate’s teaching effectiveness. Hiring committees use a variety of documents to gather information about an …

Centering Black Women Faculty: Magnifying Powerful Voices, Christen Priddie, Dajanae Palmer, Samantha Silberstein, Allison Brckalorenz

To Improve the Academy: A Journal of Educational Development

While much of the quantitative research on Black women faculty has taken a comparative approach to understanding their experiences, this study provides a counternarrative, centering their experiences as faculty. This large-scale, multi-institution glance at Black women faculty helps to give us an overview of these women across the country, looking at who they are, where they are, how they spend their time, and what they value in undergraduate education. This study allows us to strengthen various arguments made in qualitative studies of Black women faculty and amplify their perspectives and experiences. Furthermore, it reaffirms and reinvigorates the need for educational …

Data-Driven Iterative Refinements To Educational Development Services: Directly Measuring The Impacts Of Consultations On Course And Syllabus Design, Chad Hershock, Laura Ochs Pottmeyer, Jessica Harrell, Sophie Le Blanc, Marisella Rodriguez, Jacqueline Stimson, Katherine Phelps Walsh, Emily Daniels Weiss

To Improve the Academy: A Journal of Educational Development

Evidence-based practice in educational development includes leveraging data to iteratively refine center for teaching and learning (CTL) services. However, CTL data collection is often limited to counts and satisfaction surveys rather than direct measures of outcomes. To directly assess impacts of consultations on course and syllabus design, we analyzed 94 clients’ syllabi (32 faculty, 62 graduate students and postdocs) before and after consultations. Faculty and non-faculty clients demonstrated significant change following consultations (6% and 10% gains in syllabus rubric scores, representing 50% and 31% of possible gains and effect sizes of 0.73 and 1.04 standard deviations, respectively). We compared faculty …

Professionalization And The Forgotten System: Observed Practices And Perceptions At The Intersection Of Informal And Formal Faculty Development, Janie Brennan, Todd Fernandez, Joe Tranquillo

To Improve the Academy: A Journal of Educational Development

The professionalization of disciplines often leads to formalization of disciplinary training. As professionalization occurs, informal training roles are typically supplanted as the normative method of training but can continue to exist in parallel with formal methods. As in other fields, the ongoing professionalization of faculty development has created significant formalization of training. While the positive impact of formalization is clear in many areas of faculty development, little is known about how formalization affected the informal roles, activities, and perceptions that served to train faculty. This exploratory study reports on data gathered at a workshop designed to document and share stories …

A Case Study In Teaching Inclusive Teaching, Zitsi Mirakhur, Christopher Chen, Sarah Schwarz

To Improve the Academy: A Journal of Educational Development

As the college student population grows increasingly diverse, there is a need for instructors—including graduate student instructors (GSIs)—to have a set of pedagogical tools that enables them to create inclusive classroom environments, those that consider their students’ identity and provide equal opportunities for learning. However, the literature on how to support GSIs develop these skills is still nascent. In this article, we report on two strategies—one diffuse and one direct—we used while training GSIs and the ways in which they changed GSIs’ understanding of what inclusive teaching entails. We find that our direct model might have increased GSIs’ awareness of …

Fellow Travelers: Taking Stock Of Faculty Fellows Programs In The Age Of Organizational Development, Susan A. Colby, Laura Cruz, Danielle Cordaro, Clare Cruz

To Improve the Academy: A Journal of Educational Development

Faculty fellows have long served as a staple of centers for teaching and learning (CTLs), but to date little to no evidence has been gathered regarding their broader impact. The current study provides a snapshot of U.S.-based faculty fellows programs today, based on a comprehensive review of CTL websites. We categorize faculty fellows programs across five modalities that reflect decades of evolution and adaptation in the field of educational development. Our findings are intended to provide the foundation for new pathways of research, practice, and inquiry regarding the implementation of CTL fellowship programs.

Unl Emeriti And Retirees Association Newsletter, Fall 2022

UNL Emeriti and Retirees Association: Newsletters and Other Materials

University of Nebraska-Lincoln Emeriti and Retirees Association Newsletter, Fall 2022

Nebline, October 2022

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

4-H Youth Thrive at Super Fair With Community Support

Apples by Nebraska Extension Staff and Interns

Recipes of the Month: Crunchy Apple Roll and Easy Apple Salad by Kayla Colgrove

Fall Watering Aids Tree & Shrub Health by Sarah Browning

Garden Guide: Things to Do This Month

Maintaining Your Septic System by Becky Schuerman

A Wasp in Disguise: The Velvet Ant by Kait Chapman

4-H’ers Test Family and Consumer Science Skills at Life Challenge

4-H’ers Test Their Knowledge of Animals and Decision-Making Skills at PASE

4-H Announcements for 4-H'ers and Volunteers

Heart of 4-H Volunteer Award: Capital City Horse and …

The Freedom Collection 2017–2021: Part 2, Uncl Members’ Subject Usage Preferences And Profiles, David C. Tyler

University of Nebraska-Lincoln Libraries: White Papers

With data supplied by a colleague, the author looked into the by-subject downloading activities of the members of the University of Nebraska Consortium of Libraries (UNCL): University of Nebraska at Kearney, University of Nebraska-Lincoln, University of Nebraska Medical Center, and University of Nebraska Omaha.

The Freedom Collection 2017–2021: Part 1, The Composition Of The Freedom Collection And Uncl’S Downloads By Member And Subject, David C. Tyler

University of Nebraska-Lincoln Libraries: White Papers

With data provided by a colleague, the author looked at the University of Nebraska Consortium of Libraries (UNCL) downloading activity of Elsevier's Freedom Collection for the 2017-2021 interval. Members include the University of Nebraska at Kearney, University of Nebraska-Lincoln, University of Nebraska Medical Center, and University of Nebraska Omaha.

The author looked at activity by member and by subject at the level of journals' Library of Congress Classifications.

This report was submitted in the fall of 2022 to the UNL Libraries Collections Strategies Committee (CSC) and to the members of the Collections Strategies and Open Scholarship (CSOS) department.

Phys 141h: Elementary General Physics I (Honors), Stephen Ducharme

Department of Physics and Astronomy: Syllabi

Syllabus for PHYS 141H: Elementary General Physics (Honors) syllabus for Fall 2022.

Timber Rattlesnake (Crotalus Horridus): A Species Conservation Assessment For The Nebraska Natural Legacy Project, Melissa J. Panella, Dan Fogell, Colleen Rothe-Groleau

Nebraska Game and Parks Commission: Publications

The primary goal in the development of at-risk species conservation assessments is to compile biological and ecological information that may assist conservation practitioners in making decisions regarding the conservation of species of interest. The Nebraska Natural Legacy Project recognizes the timber rattlesnake (Crotalus horridus) as a Tier 1 at-risk species. Provided here are general management recommendations regarding timber rattlesnakes. Conservation practitioners will need to use their professional judgment for management decisions based on objectives, location, and site-specific conditions. Based on the body of literature and available data, this species conservation assessment provides an overview of our current knowledge of timber …

Glutathione And Glutaredoxin In Redox Regulation And Cell Signaling Of The Lens, Marjorie F. Lou

School of Veterinary and Biomedical Sciences: Faculty Publications

The ocular lens has a very high content of the antioxidant glutathione (GSH) and the enzymes that can recycle its oxidized form, glutathione disulfide (GSSG), for further use. It can be synthesized in the lens and, in part, transported from the neighboring anterior aqueous humor and posterior vitreous body. GSH is known to protect the thiols of the structural lens crystallin proteins from oxidation by reactive oxygen species (ROS) so the lens can maintain its transparency for proper visual function. Age-related lens opacity or senile cataract is the major visual impairment in the general population, and its cause is closely …

Landscape Change, Scale, And Human Response To Change In The Great Plains, Kate Bird

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

Great Plains landscapes are undergoing changes at multiple spatial and temporal scales due to processes ranging from woody encroachment to climate change. These changes may fundamentally alter the agroecosystems of the Great Plains such that the provisioning of ecosystem services including biodiversity and livestock production is affected. Improving our understanding of the effects of landscape change at multiple scales and how humans perceive and respond to these changes is important for facilitating research and management that enhances the resilience of these agroecosystems. As such, I first applied discontinuity theory and graph theory to evaluate the functional connectivity of the Central …

Stress Arising From The Covid-19 Pandemic: Impacts On Coparenting Quality And Child Internalizing And Externalizing Problems, Michelle R. Ebrahim

Honors Program: Senior Projects (Public)

Since emerging in late 2019, the highly contagious coronavirus disease (COVID-19) has caused worldwide disruptions, with major shutdowns in school, work, and other aspects of life. These stressors uniquely impacted families with young children. The present study investigated the impact of the pandemic on family functioning and risk for child internalizing and externalizing problems during the first year after the pandemic. The study included three waves of data collection from a larger longitudinal study aimed at understanding how couples navigate the prenatal-postpartum transition and the impacts of the family on early child development. We found that family pandemic-related stress was …

Exploring The Direct Relationship Between Sustainability Leader Ecospirituality And Human Capital Sustainability Leadership Capacity: A Moderated Mediation Study, Krystal L. Gabel

Department of Agricultural Leadership, Education, and Communication: Dissertations, Theses, and Student Research

The primary purpose of this quantitative study was to determine if a sustainability leader’s ecospirituality significantly impacts one’s human capital sustainability leadership. The secondary purpose of this study was to determine if one’s psychological capital mediates this relationship and if one’s environmental attitudes moderate the relationships between ecospirituality, human capital sustainability leadership, and psychological capital.

Participants in this study included sustainability leaders in top positions at their organizations in the four highest-ranked countries (Denmark, Sweden, Norway, and the United Kingdom) on the 2022 Climate Change Performance Index. These individuals had positions of chief sustainability officer, head of sustainability, or sustainability …

Natural Enemies And Biological Control Of Stink Bugs (Hemiptera: Heteroptera) In North America, Blessing Ademokoya, Kacie Athey, John R. Ruberson

Department of Entomology: Faculty Publications

Stink bugs comprise a significant and costly pest complex for numerous crops in the United States, including row crops, vegetables, and tree fruits and nuts. Most management relies on the use of broad-spectrum and disruptive insecticides with high human and environmental risks associated with them. Growing concerns about pesticide resistance in stink bugs are forcing pest managers to explore safer and more sustainable options. Here, we review the diverse suite of natural enemies of stink bugs in the US, noting that the egg and the late nymphal and adult stages of stink bugs are the most commonly attacked by parasitoids, …

Mate Sampling Behavior Determines The Density Dependence Of Sexual Selection, J. Colton Watts, Eileen A. Hebets, Brigitte Tenhumberg

School of Biological Sciences: Faculty Publications

Theory predicts that the strength of sexual selection (i.e., how well a trait predicts mating or fertilization success) should increase with population density, yet empirical support remains mixed. We explore how this discrepancy might reflect a disconnect between current theory and our understanding of the strategies individuals use to choose mates. We demonstrate that the density dependence of sexual selection predicted by previous theory arises from the assumption that individuals automatically sample more potential mates at higher densities. We provide an updated theoretical framework for the density dependence of sexual selection by (1) developing models that clarify the mechanisms through …

Reproducibility Of Protein X-Ray Diffuse Scattering And Potential Utility For Modeling Atomic Displacement Parameters, Zhen Su, Medhanjali Dasgupta, Frédéric Poitevin, Irimpan I. Mathews, Henry Van Den Bedem, Michael E. Wall, Chun Hong Yoon, Mark A. Wilson

Department of Biochemistry: Faculty Publications

Protein structure and dynamics can be probed using x-ray crystallography. Whereas the Bragg peaks are only sensitive to the average unit-cell electron density, the signal between the Bragg peaks—diffuse scattering—is sensitive to spatial correlations in electron-density variations. Although diffuse scattering contains valuable information about protein dynamics, the diffuse signal is more difficult to isolate from the background compared to the Bragg signal, and the reproducibility of diffuse signal is not yet well understood. We present a systematic study of the reproducibility of diffuse scattering from isocyanide hydratase in three different protein forms. Both replicate diffuse datasets and datasets obtained from …

3d Pore Structure Characterization Of Stored Grain Bed, Charles Nwaizu, Qiang Zhang, Christiana Iluno

Department of Food Science and Technology: Faculty Publications

An image analysis technique for reconstruction of the complex 3D pore structure within bulk grain from 2D section images was presented. The technique relies on aligning successive 2D images of cut-sections obtained from colored-wax solidified soybean grain beds, which were then subjected to image processing using ImageJ software developed by the National Institute of Health (NIH, Bethesda, Md.) for the reconstruction and visualization of different airflow paths within the bulk grain. Porosity and tortuosity values were quantified from the 3D image volume and 3D reconstructed inter-connected airflow paths to develop empirical mathematical models for predicting porosity and tortuosity as a …

Cyclic Adp Ribose Isomers: Production, Chemical Structures, And Immune Signaling, Mohammad K. Manik, Yun Shi, Sulin Li, Mark A. Zaydman, Neha Damaraju, Samuel Eastman, Thomas G. Smith, Weixi Gu, Veronika Masic, Tamim Mosaiab, James S. Weagley, Steven J. Hancock, Eduardo Vasquez, Lauren Hartley-Tassell, Nestoras Kargios, Natsumi Maruta, Bryan Y.J. Lim, Hayden Burdett, Michael J. Landsberg, Mark A. Schembri, Ivan Prokes, Lijiang Song, Murray Grant, Aaron Diantonio, Jeffrey D. Nanson, Ming Guo, Jeffrey Milbrandt, Thomas Ve, Bostjan Kobe

Department of Agronomy and Horticulture: Faculty Publications

Cyclic adenosine diphosphate (ADP)–ribose (cADPR) isomers are signaling molecules produced by bacterial and plant Toll/interleukin-1 receptor (TIR) domains via nicotinamide adenine dinucleotide (oxidized form) (NAD+) hydrolysis. We show that v-cADPR (2′cADPR) and v2-cADPR (3′cADPR) isomers are cyclized by O-glycosidic bond formation between the ribose moieties in ADPR. Structures of 2′cADPR-producing TIR domains reveal conformational changes that lead to an active assembly that resembles those of Toll-like receptor adaptor TIR domains. Mutagenesis reveals a conserved tryptophan that is essential for cyclization. We show that 3′cADPR is an activator of ThsA effector proteins from the bacterial antiphage defense system termed Thoeris and …

Seasonal Habitat Selection By American White Pelicans, Frederick L. Cunningham, Guiming Wang, D. Tommy King

United States Department of Agriculture Wildlife Services: Staff Publications

Resource utilization strategies of avian migrants are a major concern for conservation and management. Understanding seasonal habitat selection by migratory birds helps us explain the ongoing continental declines of migratory bird populations. Our objective was to compare the secondorder and third-order habitat selection by the American White Pelican (Pelecanus erythrorhynchos; hereafter pelican) between the breeding and non-breeding grounds. We tested the Lack hypothesis that habitat selection by migratory birds is stronger on the breeding grounds than on the nonbreeding grounds. We used random-effect Dirichlet-multinomial models to estimate the second-order habitat selection between the seasons with the GPS locations …

Leveraging The Structure Of Dnaja1 To Discover Novel Potential Pancreatic Cancer Therapies, Heidi E. Roth, Aline De Lima Leite, Nicolas Y. Palermo, Robert Powers

Department of Chemistry: Faculty Publications

Pancreatic cancer remains one of the deadliest forms of cancer with a 5-year survival rate of only 11%. Difficult diagnosis and limited treatment options are the major causes of the poor outcome for pancreatic cancer. The human protein DNAJA1 has been proposed as a potential therapeutic target for pancreatic cancer, but its cellular and biological functions remain unclear. Previous studies have suggested that DNAJA10s cellular activity may be dependent upon its protein binding partners. To further investigate this assertion, the first 107 amino acid structures of DNAJA1 were solved by NMR, which includes the classical J-domain and its associated linker …

Drivers Of Pb, Sb And As Release From Spent Gunshot In Wetlands: Enhancement By Organic Matter And Native Microorganisms, Anna Potysz, Łukasz J. Binkowski, Jakub Kierczak, Barnett A. Rattner

United States Geological Survey: Staff Publications

In many countries the use of lead-based ammunition is prevalent, and results in exposure and poisoning of waterfowl and other species of birds. In waterfowl hunting areas large quantities of spent shot may be deposited in wetland and terrestrial habitats. These pellets can undergo transformations, which are influenced by various abiotic and biotic factors. In addition to lead (Pb), other elements like antimony (Sb) and arsenic (As) can be leached from Pb shot into the environment. In vitro simulations that included organic matter and microorganisms were utilized to examine elemental leaching from gunshot. We found that leaching efficiency was the …

Editorial: Function And Formation Of Mitochondrial Metalloproteome, Michał Wasilewski, Vishal M. Gohil, Oleh Khalimonchuk

Department of Biochemistry: Faculty Publications

No abstract provided.

Effects Of Early‑Life Experience On Innovation And Problem‑Solving In Captive Coyotes, Andrew C. Garcia, Mitchell A. Parsons, Julie K. Young

United States Department of Agriculture Wildlife Services: Staff Publications

Early-life experience often shapes behaviors like innovation and exploration. These behaviors are important to animals encountering novel food resources in diverse habitats, such as mesocarnivores in urban areas. To understand if early-life experiences impact later-life behavior, we examined how coyotes (Canis latrans) responded to a multi-access puzzle box at two life stages: pup (~ 7 weeks) and dispersal (~ 10 months). We first exposed pups, still living with their parents and littermates, to a baited puzzle box. At dispersal age, we again tested both these pups and an age-matched control group that was not exposed to the puzzle …

Very High Middle Miocene Surface Productivity On The U.S. Mid-Atlantic Shelf Amid Glacioeustatic Sea Level Variability, Marci M. Robinson, Harry J. Dowsett, Timothy D. Herbert

United States Geological Survey: Staff Publications

The Miocene Climatic Optimum (MCO) provides important insights into how the climate system operates under elevated temperatures and atmospheric CO₂ levels. Few western North Atlantic paleotemperature or paleoecological records exist from the MCO, despite their importance for understanding both regional and global climate dynamics. Here we present quantitative MCO paleoecological data from the western North Atlantic, specifically from the Baltimore Gas & Electric (BG&E) marine sediment core from southern Maryland, USA. We examine alkenones and planktic foraminifera and document the first sea surface temperature (SST) and productivity estimates for the MCO and the Middle Miocene Climate Transition (MMCT) from …

Recent Emergence Of Bovine Coronavirus Variants With Mutations In The Hemagglutinin-Esterase Receptor Binding Domain In U.S. Cattle, Aspen M. Workman, Tara G. Mcdaneld, Gregory P. Harhay, Subha Das, John Dustin Loy, Benjamin M. Hause

School of Veterinary and Biomedical Sciences: Faculty Publications

Bovine coronavirus (BCoV) has spilled over to many species, including humans, where the host range variant coronavirus OC43 is endemic. The balance of the opposing activities of the surface spike (S) and hemagglutinin-esterase (HE) glycoproteins controls BCoV avidity, which is critical for interspecies transmission and host adaptation. Here, 78 genomes were sequenced directly from clinical samples collected between 2013 and 2022 from cattle in 12 states, primarily in the Midwestern U.S. Relatively little genetic diversity was observed, with genomes having >98% nucleotide identity. Eleven isolates collected between 2020 and 2022 from four states (Nebraska, Colorado, California, and Wisconsin) contained a …