Digital Commons Network^™

Using Unmanned Aerial Vehicle Technology To Enhance Conservation Biology Research, Ann Briggs

Honors Program: Senior Projects (Public)

This study examined the most effective ways to utilize unmanned aerial vehicles (UAV) for wildlife conservation. More specifically, a UAV platform was created that can perform multiple data collection tasks by utilizing interchangeable modules. The prototype produced in this study has the capability to perform many tasks through the use of interchangeable modules. These tasks include, but are not limited to aerial surveys and collection of biological samples. This innovative technology will provide invaluable assistance to conservation efforts by reducing research and subject injury or death while maximizing efficiency. The modular design of the prototype was developed for retail to …

Structural Determinants For The Interactions Of Chemically Modified Nucleic Acids With The Stabilin‑2 Clearance Receptor, Hans Gaus, Colton M. Miller, Punit P. Seth, Edward N. Harris

Department of Biochemistry: Faculty Publications

The Stabilin receptors are systemic clearance receptors for some classes of chemically modified nucleic acid therapeutics. In this study, the recombinant human secreted ecto-domain of the small isoform of Stabilin-2 (s190) was purified from cell culture and evaluated for direct binding with a multitude of antisense oligonucleotides (ASOs) using a fluorescence polarizationbased assay. The tested ASOs varied in their backbone composition, modification of the ribose 2′ position, overall length of the oligo, and sequence of the nucleotide bases. A fully phosphorothioate (PS) ASO with a 5−10−5 pattern of flanking 2′-O-methoxyethyl modifications was then used to test the effects …

Conference Educates, Uplifts Nebraska Women In Agriculture, Jessica J. Groskopf, Haley Apel

Cornhusker Economics

Women in agriculture are business partners, owners and operators; they oversee financial and human resources and keep farms and ranches running. This was the message more than 250 women heard at the 33rd annual Nebraska Women in Agriculture Conference February 22 and 23 in Kearney.

Effects Of Triclosan In Breast Milk On The Infant Fecal Microbiome, Candace S. Bever, Amy A. Rand, Malin Nording, Diana Taft, Karen M. Kalanetra, David A. Mills, Melissa A. Breck, Jennifer T. Smilowitz, J. Bruce German, B D. Hammock

United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications

Triclosan is frequently used for its antimicrobial properties and has been detected in human serum, urine, and breast milk. Animal and molecular studies have shown that triclosan exerts a wide range of adverse health effects at both high (ppm) and low (ppb) concentrations. Since triclosan is of growing concern to human and environmental health, there is a need to improve extraction procedures and to study additional effects from triclosan exposure. In this study, we have improved triclosan extraction from breast milk by using salt (MgSO4) to reduce emulsion formation and increase water polarity and water (~80%) to enhance the overall …

High-Resolution Water Footprints Of Production Of The United States

Daugherty Water for Food Global Institute: Faculty Publications

The United States is the largest producer of goods and services in the world. Rainfall, surface water supplies, and groundwater aquifers represent a fundamental input to economic production. Despite the importance of water resources to economic activity, we do not have consistent information on water use for specific locations and economic sectors. A national, spatially detailed database of water use by sector would provide insight into U.S. utilization and dependence on water resources for economic production. To this end, we calculate the water footprint of over 500 food, energy, mining, services, and manufacturing industries and goods produced in the United …

Early Uneven Ear Input Induces Long-Lasting Differences In Left-Right Motor Function, Michelle W. Antoine, Xiaoxia Zhu, Marianne Dieterich, Thomas Brandt, Sarath Vijayakumar, Nicholas Mckeehan, Joseph C. Arezzo, R. Suzanne Zukin, David A. Borkholder, Sherri M. Jones, Robert D. Frisina, Jean M. Hébert

Department of Special Education and Communication Disorders: Faculty Publications

How asymmetries in motor behavior become established normally or atypically in mammals remains unclear. An established model for motor asymmetry that is conserved across mammals can be obtained by experimentally inducing asymmetric striatal dopamine activity. However, the factors that can cause motor asymmetries in the absence of experimental manipulations to the brain remain unknown. Here, we show that mice with inner ear dysfunction display a robust left or right rotational preference, and this motor preference reflects an atypical asymmetry in cortico-striatal neurotransmission. By unilaterally targeting striatal activity with an antagonist of extracellular signal-regulated kinase (ERK), a downstream integrator of striatal …

Rapid Identification And Typing Of Mycobacterium Avium Complex Using Matrix Assisted Laser Desorption/Ionization Time-Of-Flight Mass Spectrometry (Maldi-Tof) Library And Biomarker Based Approaches, Claudia Antonika, John Dustin Loy, Raul Barletta, Michael Collins

UCARE: Research Products

Bacteria associated with the Mycobacterium avium complex (MAC) cause significant problems in animal agriculture and cause large economic losses and morbidity of livestock. Two clinically important subspecies of M. avium are M.avium ssp paratuberculosis (MAP) and M. avium ssp hominissuis (MAH). MAP is the etiologic agent of Johne’s disease, a chronic and fatal enteritis in ruminants, that has been linked to Crohn’s disease in humans.1 MAH has zoonotic potential as it is one of the leading causes of secondary infections in AIDS patients. Identification of M. avium in clinical samples is challenging as they have overlapping host ranges and clinical …

Evolutionary Game Theory Perspective On Dynamic Spectrum Access Etiquette, Mohammad Abu Shattal, Anna Wisniewska, Ala Al-Fuqaha, Bilal Khan, Kirk Dombrowski

Department of Sociology: Faculty Publications

In this paper, we describe the long-term evolution of societies of secondary users in dynamic spectrum access networks. Such an understanding is important to help us anticipate future trends in the organization of large-scale distributed networked deployments. Such deployments are expected to arise in support of a wide variety of applications, including vehicular networks and the Internet of Things. Two new biologically-inspired spectrum access strategies are presented here, and compared with a random access baseline strategy. The proposed strategies embody a range of plausible assumptions concerning the sensing capabilities and social characteristics of individual secondary users. Considering these strategies as …

Sustained Maternal Inflammation During The Early Third Trimester Yields Fetal Adaptations That Impair Subsequent Skeletal Muscle Growth And Glucose Metabolism In Sheep, Cailtin N. Cadaret, Elena M. Merrick, Taylor L. Barnes, Kristin A. Beede, Robert J. Posont, Jessica Lynn Petersen, Dustin T. Yates

Department of Animal Science: Faculty Publications

Intrauterine growth restriction (IUGR) is linked to metabolic dysfunction in offspring, but the mediating mechanisms are still under investigation (Barker et al., 1993). IUGR fetuses adapt to their poor intrauterine environment by repartitioning nutrients to organs critical for survival (i.e., brain, heart) at the expense of tissues such as muscle (Yates et al., 2012c). These developmental adaptations help the fetus to survive in utero but have lifelong consequences in offspring; persistent reduction of highly metabolic muscle mass is detrimental to glucose homeostasis (DeFronzo et al., 1981). Glucose metabolism is regulated primarily by insulin, and nutrient depravation is associated with impaired …

2018 Trends In Nebraska Farmland Values And Rental Rates, Jim Jansen, Jeffrey Stokes

Cornhusker Economics

The average market value of farmland in Nebraska declined by three percent over the prior year to $2,745 per acre according to the 2018 Nebraska Farm Real Estate Market Survey (Figure 1 and Table 1). This marks the fourth consecutive year of downward pressure. Market values have dropped 17 percent since reaching a high of $3,315 in 2014.

Taxonomy Based On Science Is Necessary For Global Conservation [Formal Comment], Scott A. Thomson, Richard L. Pyle, Scott Monks, Neal L. Evenhuis, Ronald H. Pine, Luis A. Ruedas, Jorge A. Salazar-Bravo, Robert M. Timm, Douglas Yanega, 163 Other Co-Authors

Harold W. Manter Laboratory of Parasitology: Faculty Publications

Taxonomy is a scientific discipline that has provided the universal naming and classification system of biodiversity for centuries and continues effectively to accommodate new knowledge. A recent publication by Garnett and Christidis expressed concerns regarding the difficulty that taxonomic changes represent for conservation efforts and proposed the establishment of a system to govern taxonomic changes. Their proposal to “restrict the freedom of taxonomic action” through governing subcommittees that would “review taxonomic papers for compliance” and their assertion that “the scientific community's failure to govern taxonomy threatens the effectiveness of global efforts to halt biodiversity loss, damages the credibility of science, …

The Use Of Grape By-Products As A Nutrient Rich Cattle Feed, Zachary Christman

Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research

In this article you will learn about how to use the grape stems, skins and pulp that are generated by the wine industry. Ruminant animals such as cattle can digest this inexpensive yet nutrient rich material. The complete process from wine press to cattle feed is covered in this article. The historical background of using grape by-products and methods to preserve this food source is also presented.

Bats Of Sint Eustatius, Caribbean Netherlands, Scott C. Pedersen, Peter A. Larsen, Sil A. Westra, Ellen Van Norren, Wesley Overman, Gary G. Kwiecinski, Hugh H. Genoways

University of Nebraska State Museum: Mammalogy Papers

The bat fauna of the Caribbean island of Sint Eustatius consists of five documented species—Monophyllus plethodon, Brachyphylla cavernarum, Artibeus jamaicensis, Ardops nichollsi, and Molossus molossus—and one provisional species—Tadarida brasiliensis. The Insular Single-leaf Bat, M. plethodon, is reported in the scientific literature for the first time from Sint Eustatius based on material presented herein. The bat fauna of the island is considered to be unbalanced because only three species, which are the environmental generalists, are abundant, whereas the more specialized species are rare or absent from the fauna. It is our hypothesis …

A Naturalist’S Guide To The Great Plains, Paul A. Johnsgard

Zea E-Books Collection

This book documents nearly 500 US and Canadian locations where wildlife refuges, nature preserves, and similar properties protect natural sites that lie within the North American Great Plains, from Canada’s Prairie Provinces to the Texas-Mexico border. Information on site location, size, biological diversity, and the presence of especially rare or interesting flora and fauna are mentioned, as well as driving directions, mailing addresses, and phone numbers or internet addresses, as available. US federal sites include 11 national grasslands, 13 national parks, 16 national monuments, and more than 70 national wildlife refuges. State properties include nearly 100 state parks and wildlife …

This Book Is Valuable: An Anthology Of Essays On Design And The Perception Of Value In Luxury Fashion Objects, Carlos Velasco

Honors Program: Senior Projects (Public)

This Book is Valuable seeks to analyze how different concepts related to design and culture have influenced the apparent and perceived value of luxury fashion objects. This question is explored in different contexts to provide clarity and observation to the contemporary construction of value through systems of design.

This thesis is an anthology of three essays. The first essay is about immaterial capitalism, a system of knowledge, skill and imagination based capital. The second essay is about the strategy of artification, using fine art as a way to link systems of value together. It is also about how luxury conglomerates …

Sexual Assault In The Political Sphere, Robert Larsen

Honors Program: Senior Projects (Public)

This project sought to analyze how sexual assault in the political sphere is perceived and treated in contemporary society in the United States of America. The thesis analyzed eight cases of sexual misconduct, including six from the past thirty years. In each case, the reaction of party and social leaders, of the politician’s constituents and of the politician himself were looked at, as well as the consequences the politician faced. The results were then analyzed side-by-side to discover similarities and differences between ho cases of sexual assault allegations were treated and in terms of what happened to the politician after …

Preliminary Analysis Of Hieroglyph And Iconography Placement On Freestanding Monuments At Copán, Honduras, Elizabeth Koenen

Honors Program: Senior Projects (Public)

This paper analyzes the placement of hieroglyphs and iconography on freestanding monuments at the ancient Maya site of Copán, Honduras. Preliminary spatial analysis using Geographic Information Systems (GIS) highlight two potentially important findings. First, stelae in the main civic-ceremonial precinct (Principal Group), while erected in the most centralized and public location in the city, are not always placed to allow for public viewing of their fronts. Second, differences may exist in the number of logographic and syllabic glyphs used on a object depending on the type of object and its location. Further research and data collection are needed in order …

A Reason To Daydream, Corinne Schipull

Honors Program: Senior Projects (Public)

Sexism in American culture comes as no surprise. In 2017, the film industry saw an increasing number of powerful men within its ranks exposed and exiled for allegations of sexually predatory behavior. Many see this purging as a sign of changing times, but this view is optimistic: the tides of change ebb in and out, and this problem far exceeds the movie industry. Well before the onslaught of articles on the likes of Harvey Weinstein, my classmates and I resolved to craft our senior thesis film with a crew made up entirely of women: we simply saw the pool of …

An Analysis Of The Social And Political Barriers To Wind Energy Development In Lancaster County, Nebraska, Corrin Bemis

Honors Program: Senior Projects (Public)

With the increasing threat of climate change beginning to impact cities and regions in the United States, many states are turning to renewable energy sources as a way to mitigate their carbon footprint. While Nebraska has the potential to be a leader in wind energy development within the next few years, some restrictions are still put in place that slow down the expansion of wind farms. Although the state is ranked 4^th in the nation for wind energy potential, Nebraska is ranked 20^th for actual wind energy development. This paper will define the social and political barriers that …

Parallels Of Morality: Wilde And Nietzsche’S Challenge To Social Obligation, Amzie A. Dunekacke

Honors Program: Senior Projects (Public)

This thesis explores Irish author Oscar Wilde’s The Picture of Dorian Gray in relation to a selection of texts by the German philosopher Friedrich Nietzsche. To demonstrate the similarities between Wilde and Nietzsche’s challenges to European morality, this work considers these themes, which are present in the ideologies of both Wilde and Nietzsche: the body and sensual pleasure, social construction, and the hypocrisy of altruism. Both radical thinkers castigate Platonic notions of the body as ignoble and weak, and they mock European propriety’s shyness of the body. In addition, Wilde and Nietzsche offer similar criticisms of social laws, adopting a …

Factors Affecting The Parasitism Of Gregarine Species In Grasshoppers In Western Nebraska, Alexandra Creigh, Kristin Mclarty, Scott Lyell Gardner

Honors Program: Senior Projects (Public)

We conducted a survey of the species of parasites found in grasshoppers around the area of Dunwoody’s Pond to investigate whether there were any species specific parasitic relationships occurring there. We collected grasshoppers from several areas around Dunwoody’s Pond totaling 15 species including Melanoplus bivittatus (Say 1825) , Melanoplus sanguinipes (Fabricius, 1798) , Melanoplus differentialis (Thomas 1865), and Melanoplus femurrubrum (De Geer 1773), along with others (Seymour et al., 2009) and compared the parasites found in them. This study is similar to one conducted in South America by Lloyd in 1951, and we hoped to find connections between species to …

Olfactory Learning Capabilities Of Paraphrynus Laevifrons, John Perez

Honors Program: Senior Projects (Public)

Amblypygids, a species of nocturnal arachnids from the tropics and subtropics are incredibly intelligent and are able to not only navigate through difficult tropical terrain but also, it is believed, possess olfactory learning capabilities that aid in navigation and recollection of environments. It is hypothesized that through sensitive olfactory receptors on their antenniform legs and highly developed mushroom bodies, Amblypygi can not only learn smells but also learn to associate smells with certain stimuli such as a crevice to take refuge in. To test this hypothesis, Paraphrynus laevifrons, a species of amplypygid was subjected to four different learning treatment groups …

The Reality Of Escape In Fantasy, Abbigail Mazour

Honors Program: Senior Projects (Public)

This paper seeks to examine the instances of escape experienced by the characters in popular fantasy novels such as The Lord of the Rings and Harry Potter and looks at how this escape teaches its audiences lessons about the real world and philosophical truths. It answers the question of whether or not fantasy is escape and why, accepting fantasy as escapist, this genre—and escape itself—is valuable to its audiences. The method for completing this project was a close analysis of the primary texts The Lord of the Rings and Harry Potter along with the research and writing done by Tolkien …

Development & Analysis Of A Science Outreach Event For Elementary Aged Children: Archie's Late-Night Party, Bailey Peterson

Honors Program: Senior Projects (Public)

Science Outreach is important because it facilitates learning and an increase in interest in the sciences. This thesis outlines the development of a set of stations as part of “Archie’s Late-Night Party,” an event held in June, 2017 at Morrill Hall. The goal of the Morrill Hall event was to create multiple activities and educational stations for elementary aged children in various scientific fields. Under the guidance of Dr. Gwen Bachman, I created two stations to present at the event: “Sleep & Hibernation” and “Nocturnal Vision.” I describe the multiple factors and challenges that go into building stations that are …

Reproductive Success And Contaminant Associations In Tree Swallows (Tachycineta Bicolor) Used To Assess A Beneficial Use Impairment In U.S. And Binational Great Lakes’ Areas Of Concern, Christine M. Custer, Thomas W. Custer, Matthew A. Etterson, Paul M. Dummer, Diana Goldberg, J. Christian Franson

United States Environmental Protection Agency: Publications

During 2010-2014, tree swallow (Tachycineta bicolor) reproductive success was monitored at 68 sites across all 5 Great Lakes, including 58 sites located within Great Lakes Areas of Concern (AOCs) and 10 non-AOCs. Sample eggs were collected from tree swallow clutches and analyzed for contaminants including polychlorinated biphenyls (PCBs), dioxins and furans, polybrominated diphenyl ethers, and 34 other organic compounds. Contaminant data were available for 360 of the clutches monitored. Markov chain multistate modeling was used to assess the importance of 5 ecological variables and 11 of the dominant contaminants in explaining the pattern of egg and nestling failure …

Copy Number Variation In The Porcine Genome Detected From Whole-Genome Sequence, Rebecca Anderson

Honors Program: Senior Projects (Public)

Copy number variations (CNVs) are large insertions, deletions, and duplications in the genome that vary between individuals in a species. These variations are known to impact a broad range of phenotypes from molecular-level traits to higher-order clinical phenotypes. CNVs have been linked to complex traits in humans such as autism, attention deficit hyperactivity disorder, nervous system disorders, and early-onset extreme obesity. In this study, whole-genome sequence was obtained from 72 founders of an intensely phenotyped experimental swine herd at the U.S. Meat Animal Research Center (USMARC) in Clay Center, Nebraska. This included 24 boars (12 Duroc and 12 Landrace) and …

South Dakota V. Wayfair And Tax Modernization In Nebraska, Adam B. Thimmesch

Nebraska Law Bulletin (Selected Issues)

The United States Supreme Court is poised to make a significant change to how it regulates states and their exercise of taxing autonomy under our federal structure. The Court’s current position has severely limited Nebraska’s ability to conform its tax system to the modern economy and undercuts its ability to raise funds to support its operations. Nebraska is also otherwise at an important point in its history. Changes in the farm economy and ongoing budget issues have undercut the state’s ability to provide the public services necessary for a state to compete and thrive in the modern world. The State …

The Victorian Body, Peter J. Capuano

Department of English: Faculty Publications

The nineteenth century is extremely important for the study of embodiment because it is the period in which the modern body, as we currently understand it, was most thoroughly explored. This was the era when modern medical models of the body were developed and disseminated, when modern political relations to the body were instantiated, and when modern identities in relation to class, race, and gender were inscribed. While questions about the distinctions between personhood and the body were studied by the ancients, nineteenth-century developments in technology, economics, medicine, and science rendered such categories newly important for Britons who were the …

Synchrony — An Emergent Property Of Recreational Fisheries, Mark A. Kaemingk, Christopher J. Chizinski, Keith Hurley, Kevin L. Pope

Nebraska Cooperative Fish and Wildlife Research Unit: Staff Publications

1. Recreational fisheries are traditionally managed at local scales, but more effective management could be achieved using a cross-scale approach. To do this, we must first understand how local processes scale up to influence landscape patterns between anglers and resources. We highlight how population-based synchrony methods, used in conjunction with a complex-adaptive-systems framework, can reveal emergent spatial properties within social-ecological systems such as recreational fisheries.

2. Herein, we quantified the level of spatial synchrony in angler behaviour, defined the relationship between angler synchrony and distance among waterbodies, and highlighted social-ecological attributes contributing to these patterns. We leveraged a 111 waterbody-year …

Reducing The Risk Of Invasive Pathogens To Wildlife Health In The United States, Edward E. Clark Jr., Marshall Meyers, David Eldon Starling, Brent Stewart, Nathan Stone, Gary Tabor, Jeffrey S. White

National Invasive Species Council

Call to Action

In keeping with action items 4.3.1 and 4.3.2 of the 2016–2018 National Invasive Species Council (NISC) Management Plan, the Wildlife Health Task Team of the Invasive Species Advisory Committee (ISAC) was charged with: 1) identifying the major areas of vulnerability to native wildlife from the introduction and spread of invasive pathogens, and 2) making recommendations to address these vulnerabilities, including through potential changes in statute, regulation, policy, or practice of the relevant agencies.