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Diel And Monthly Movement Rates By Migratory And Resident Female Pronghorn, Paul F. Jones, T. Andrew Hurly, Chelsea Jensen, Karl Zimmer, Andrew Jakes

The Prairie Naturalist

Animal movement patterns are variable, with certain species primarily being diurnal and others nocturnal. Pronghorn (Antilocapra americana) are regarded as diurnal animals moving predominately during daylight hours. Anecdotal accounts, however, suggest that pronghorn move during the night but the extent, frequency, and importance of these nocturnal movement behaviors are unknown. To evaluate movements, we combined global positioning system relocation data from collared female pronghorn in the Northern Sagebrush Steppe between 2003 and 2007 with sunrise/sunset data within a geographical information system platform. We assessed whether mean and maximum movement rates were influenced by diel period (dawn, day, dusk, and night), …

Tilting At Windmills: Refiguring Graduate Education In English To Prepare Future Two-Year College Professionals, Darin L. Jensen

Department of English: Dissertations, Theses, and Student Research

This dissertation makes recommendations for the reform of graduate education to better serve current and future two-year college English instructors. The author undertakes historical and archival research to write a history of how English instructors have been prepared for the distinct profession of two-year college teaching. In addition, the author interviews two-year college English instructors from around the United States to chronicle their preparation narratively and how said preparation has affected their working experience. Drawing on the historical, narrative and current practices found in the research, the author details specific interventions, in the form of equity-centered partnerships, to improve preparation …

Regulatory Barriers To Approval Of New Technologies For Small Drinking Water Systems, Deanna T. Ringenberg

Department of Environmental Engineering: Theses and Other Student Research

Small drinking water systems face different challenges than large drinking water systems. Innovative technologies can provide cost and reliability benefits to small systems, but new technologies are not frequently considered. One important barrier to the implementation of new technologies is obtaining state drinking water agency approval.

To identify specific state regulatory barriers, a survey including sixteen questions was sent to the 49 state agencies. The survey included questions regarding their acceptance programs, experiences with new technologies, barriers, data needs for technology approval, and interest in a shared approach for acceptance of new technologies. The survey was sent in 2015 and …

Transcriptomic Resources For The Medicinal Legume Mucuna Pruriens: De Novo Transcriptome Assembly, Annotation, Identification And Validation Of Est-Ssr Markers, N. Sathyanarayana, Ranjith Kumar Pittala, Pankaj Kumar Tripathi, Ratan Chopra, Heikham Russiachand Singh, Vikas Belamkar, Pardeep Kumar Bhardwaj, Jeff J. Doyle, Ashley N. Egan

Department of Agronomy and Horticulture: Faculty Publications

Background:

The medicinal legume Mucuna pruriens (L.) DC. has attracted attention worldwide as a source of the anti-Parkinson’s drug L-Dopa. It is also a popular green manure cover crop that offers many agronomic benefits including high protein content, nitrogen fixation and soil nutrients. The plant currently lacks genomic resources and there is limited knowledge on gene expression, metabolic pathways, and genetics of secondary metabolite production. Here, we present transcriptomic resources for M. pruriens, including a de novo transcriptome assembly and annotation, as well as differential transcript expression analyses between root, leaf, and pod tissues. We also develop microsatellite markers …

Landowner And Practitioner Perspectives On Private Land Conservation Programs, Michelle L. Lute, Caitlyn R. Gillespie, Dustin R. Martin, Joseph J. Fontaine

Nebraska Cooperative Fish and Wildlife Research Unit: Staff Publications

Efforts to reverse declines in native grasslands benefit from agricultural policies that encourage private land conservation. The U.S. Department of Agriculture’s Conservation Reserve Program (CRP) improved conservation across landscapes but enrollment has declined. We used sequential exploratory mixed methods to compare landowner and conservation practitioners’ perceptions, evaluate perceived benefits, and identify potential improvements to CRP. Focus groups of practitioners informed a quantitative survey of landowners who had properties >160 total acres in Nebraska. Results suggest potential misalignment in perceptions between practitioners and landowners. Practitioners were concerned that conservation, especially of wildlife, was secondary to profit. But the majority of landowners …

A Catch 22 Of 3d Data Sustainability: Lessons In 3d Archaeological Data Management & Accessibility, Heather Richards-Rissetto, Jennifer Von Schwerin

Department of Anthropology: Faculty Publications

Archaeologists can now collect an inordinate amount of 3D data. But are these 3D data sustainable? Are they being managed to make them accessible? The MayaArch3D Project researched and addressed these questions by applying best practices to build four prototype tools to store, manage, visualize, and analyze multi-resolution, geo-referenced 3D models in a web-based environment. While the technical aspects of these tools have been published, this position paper addresses a catch 22 that we, as archaeologists, encounter in the field of 3D archaeology – one that formed the initial impetus for the MayaArch3D Project: that is, while the quantity of …

Estimating Age Of Rock Cairns In Southeast Alaska By Combining Evidence From Successional Metrics, Lichenometry, And Carbon Dating, Bruce Mccune,, Nijmah Ali,, Ralph J. Hartley, William J. Hunt Jr.

Department of Anthropology: Faculty Publications

We estimated ages of rock cairns in alpine tundra in southeast Alaska by combining information from three general classes of methods, each of them imperfect, but considered together providing better estimates than any of the three alone. We used lichenometry, radiocarbon dating, and five successional metrics: score on a nonmetric multidimensional scaling axis of vegetation composition, cover-weighted average successional class of organisms, overgrowth of contact points between rocks, sum of species cover, and species richness. Lichenometry estimated absolute ages, but with considerable error because we violated key assumptions. Successional metrics provided relative ages, probably with more precision than lichenometry, but …

[Un]Building The Rural: The Strategic Subtraction Of Sidney, Nebraska, Caitlin E. Tangeman

Architecture Masters of Science Program: Theses

This thesis focuses on the decline of rural communities and how rural decline might be addressed through design.

Rural decline is a phenomenon affecting rural territories around the globe, including the Great Plains. Rural decline has been caused by a number of factors, perhaps the most persistent being the reliance on an economy that is not diversified. In the Great Plains, agriculture is typically the main source of economic income, with a significant portion of the region’s counties depending on agriculture. Mechanization of agriculture through increased technology has eliminated many jobs in the agriculture industry, since higher yields can be …

Viewing Heaven: Rock Crystal, Reliquaries, And Transparency In Fourteenth-Century Aachen, Claire Kilgore

School of Art, Art History, and Design: Theses and Student Creative Work

This thesis examines reliquaries and objects associated with medieval Christian practice in fourteenth-century Aachen. The city's cathedral and treasury contain prestigious relics, reliquaries, and liturgical items, aided by its status as the Holy Roman Empire's coronation church. During the reign of Holy Roman Emperor Charles IV (r. 1349-1378), reliquaries, pilgrimage, and architecture reflect late medieval interests in vision, optics, and transparency. Two mid-fourteenth century reliquaries from the Aachen Cathedral Treasury, the Reliquary of Charlemagne and the Three-Steepled Reliquary, display relics through rock crystal windows, in contrast to the obscuring characteristics of earlier reliquaries. Not only do the two reliquaries visually …

Assessing Landslide Susceptibility With Gis Using Qualitative And Quantitative Methods In Knox County, Nebraska, Christian J. Cruz

Department of Geography: Dissertations, Theses, and Student Research

This thesis assesses landslide susceptibility using data from LiDAR DEMs, land cover, and soil surveys. Data were assessed quantitatively through Bayesian logistic regression within a geographic information system (GIS) and statistical software to produce a landslide susceptibility map. The study area exhibits moderate relief where bluffs along the Missouri River valley gradually recede into rolling loess-mantled hills further to the south and southeast in Knox County. The six factors used to determine susceptibility to landslides are: land cover, parent material, slope aspect, slope curvature slope degree, and soil series. My findings show an increase in slope is the most significant …

Response Of Problematic Weed Populations In Nebraska To Glyphosate, Spencer L. Samuelson

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

There are currently nine reported herbicide-resistant weed species in Nebraska, six of which are resistant to glyphosate. Overall distribution and frequency of these resistant species is unknown.

The objectives of this research were to understand the frequency and distribution of glyphosate-resistant weeds in Nebraska. Common and problematic weeds of Nebraska were arbitrarily collected from fields in 77 counties during the fall of 2013-2015. From our statewide collection, five species including: horseweed (Conyza canadensis (L.) Cronq.), kochia (Kochia scoparia (L.) Schrad.), Russian-thistle (Salsola tragus L.), giant ragweed (Ambrosia trifida L.), and common lambsquarters (Chenopodium album L.) …

Protests In The Post-Cold War Era: World Systems Dynamics And Hardship Effects In Post-Colonial Countries, Shawn M. Ratcliff

Department of Sociology: Dissertations, Theses, and Student Research

In this thesis, I explore the determinants of protests across 15 post-colonial countries from 1990 to 2010. Specifically, I investigate the direct and mediating impact of global economic dynamics and hardships experienced by populations in these countries. To that end, I employ world systems theory as well as relative deprivation and political opportunity theories. Analyses employ pooled-time series analysis based on national-level data from the Global Database of Events, Language, and Tone (GDELT), as well as data from the World Bank and the Polity IV project, which provide insight into the role of world systems dynamics on social unrest. Analyses …

Behavioral Plasticity Across Non-Social Contexts In Female Green Swordtails, Xiphophorus Helleri, Lindsey M. Coit

School of Biological Sciences: Dissertations, Theses, and Student Research

Phenotypic plasticity is the ability of an individual to alter its phenotype in response to environmental change. Individuals that express plasticity in behavior can quickly respond to changes that occur in the environment. Therefore, individuals that exhibit behavioral plasticity can alter their behavioral expression to best match current environmental conditions. The degree and direction of behavioral plasticity may be influenced by variation in individual characteristics. Understanding how variation in individual traits affects behavioral plasticity, and, whether patterns of behavioral plasticity are consistent across behavioral contexts are important topics to explore as we try to better understand how plasticity evolves and …

Description Of The Female Of Callichroma Magnificum Napp And Martins, 2009 (Coleoptera: Cerambycidae: Cerambycinae: Callichromatini), Carlos Taboada-Verona, Juan Pablo Botero, Antonio Santos-Silva

Insecta Mundi

The female of Callichroma magnificum Napp and Martins, 2009 (Coleoptera: Cerambycidae: Cerambycinae: Callichromatini) is described and illustrated for the fi rst time. The geographical distribution of the species is expanded to the Colombian Caribbean and information on the collection site is provided.

Sensitivity Of Mangrove Range Limits To Climate Variability, Kyle C. Cavanaugh, Michael J. Osland, Remi Bardou, Gustavo Hinojosa-Arango, Juan M. Lopez-Vivas, John D. Parker, Andre S. Rovai

United States Geological Survey: Staff Publications

Aim: Correlative distribution models have been used to identify potential climatic controls of mangrove range limits, but there is still uncertainty about the relative importance of these factors across different regions. To provide insights into the strength of climatic control of different mangrove range limits, we tested whether temporal variability in mangrove abundance increases near range limits and whether this variability is correlated with climatic factors thought to control large scale mangrove distributions.

Location: North and South America.

Time period: 1984–2011.

Major taxa studied: Avicennia germinans, Avicennia schuaeriana, Rhizophora mangle, Laguncularia racemosa.

Methods: We characterized temporal variability in the enhanced …

Shattered Ceilings: Roof Tile Analysis On Survey Archaeology Projects, Rebecca Salem

School of Art, Art History, and Design: Theses and Student Creative Work

Finding a roof tile on an archaeological survey demonstrates that a structure had previously stood nearby. Rarely found in their entirety, tiles are fabricated from terracotta, which, while durable when in its proper place, breaks when falling from a roof. The nature of these fragmentary finds has made tile analysis limited and tiles are often not included in publications or only a select few are included with ceramic finds. Additionally, unlike pottery with its typographic chronology, roof tiles have restricted dating potential. However, there are several specific types of tile that can greatly help with dating. Though limited, some of …

Wpa News 102 (2017), World Pheasant Association

Galliformes Specialist Group and Affiliated Societies: Newsletters

WPA News (Spring 2017), number 102

Published by the World Pheasant Association

Modeling Gross Primary Production Of Midwest Maize And Soybean Croplands With Satellite And Gridded Weather Data, Gunnar Malek-Madani

Department of Geography: Dissertations, Theses, and Student Research

The gross primary production (GPP) metric is useful in determining trends in the terrestrial carbon cycle. Models that determine GPP utilizing the light use efficiency (LUE) approach in conjunction with biophysical parameters that account for local weather conditions and crop specific factors are beneficial in that they combine the accuracy of the biophysical model with the versatility of the LUE model. One such model developed using in situ data was adapted to operate with remote sensing derived leaf area index (LAI) data and gridded weather datasets. The model, known as the Light Use Efficiency GPP Model (EGM), uses a four …

Program And Proceedings: Nebraska Academy Of Sciences 1880–2017, 137th Anniversary Year, One Hundred-Twenty-Seventh Annual Meeting

Nebraska Academy of Sciences: Programs and Proceedings

Program

Aeronautics and Space Science

Chemistry and Physics

Collegiate Academy: Biology

Collegiate Academy: Chemistry and Physics

Biological and Medical Sciences

Aeronautics and Space Science: Poster Session

Applied Science and Technology

Maiben Memorial Lecture

Anthropology

Earth Science

Applied Science and Technology

Teaching of Science and Mathematics

Environmental Sciences

Friend of Science Award: Kacie Baum and Todd Young

Developing Citizenship Through Honors, Jacob Andrew Hester, Kari Lynn Besing

Journal of the National Collegiate Honors Council Online Archive

For decades, research has shown that higher levels of education correspond to increased interest in politics and civic engagement. Despite the vast amount of scholarly attention, why this link exists is still disputed. One theory about the connection is the civic education hypothesis, which claims that the causal link between education and civic engagement depends not only on the amount of education a person receives but also on the type of curriculum studied. For example, Hillygus argues that “some courses are more likely than others to develop the skills fundamental to political participation” (31). Similarly, Condon argues that the development …

Forum On “National Scholarships And Honors”

Journal of the National Collegiate Honors Council Online Archive

1. About the Authors
2. About the NCHC Monograph Series
3. NCHC Monographs & Journals
4. NCHC Publications Order Form

Original Clarinet Quartet Works Of Mike Curtis And Josh Spaulding: An Analysis And Performance Guide, Jennifer Reeves

Glenn Korff School of Music: Dissertations, Theses, Student Creative Work, and Performances

The clarinet quartet genre is a popular chamber ensemble for the instrument and is one that has little to no history available discussing its origins and development. Following a brief theoretical history of the clarinet quartet genre, the works of two 21st century composers are explored throughout the remainder of the document. Mike Curtis and Josh Spaulding’s compositions for clarinet quartet are extraordinary examples of the works that exist for this chamber ensemble.

A biography and compositional background is supplied for each composer, followed by individual chapters discussing the composers’ original works for clarinet quartet that utilize the instrumentation of …

A Climate Change Risk Assessment Of Northern Great Plains Reservations, Matthew Jensby

Department of Environmental Studies: Undergraduate Student Theses

Climate change is expected to have varied effects on cultural groups across the United States, with Native American communities considered the most vulnerable due to economic disadvantages. There are more Indian Reservations (21) in the northern Great Plains than in any other region, where water resources are vital to community health and stability. However, climate change stands to directly impact available water resources by altering aquatic ecosystems and degrading the quality of accessible water. As such, the primary aim of this study was to develop a hierarchical vulnerability assessment to compare all 21 reservations by potential water resource alteration as …

Saving Money While Participating In Urban Agriculture, Jill Wieneke

Department of Environmental Studies: Undergraduate Student Theses

With more and more people pouring into urban areas, many have become unattached to where their food comes from and are disengaged with local food systems. Urban agriculture (UA) can bring people closer to healthy foods and be a potential savings. This will bring more resilience to a community and amend food insecurities Through this case study at the Hawley Hamlet Neighborhood Garden, urban gardeners can understand the capabilities of UA and the effects of food affordability into urban settings. This case study is an example of vegetable outputs and cost savings that can be obtained at a community garden …

Influence Of Internal Variability On Population Exposure To Hydroclimatic Changes, Justin S. Mankin, Daniel Viviroli, Mesfin Mekonnen, Arjen Y. Hoekstra, Radley M. Horton, Jason E. Smerdon, Noah S. Diffenbaugh

Daugherty Water for Food Global Institute: Faculty Publications

Future freshwater supply, human water demand, and people’s exposure to water stress are subject to multiple sources of uncertainty, including unknown future pathways of fossil fuel and water consumption, and ‘irreducible’ uncertainty arising from internal climate system variability. Such internal variability can conceal forced hydroclimatic changes on multi-decadal timescales and near-continental spatial-scales. Using three projections of population growth, a large ensemble from a single Earth system model, and assuming stationary per capita water consumption, we quantify the likelihoods of future population exposure to increased hydroclimatic deficits, which we define as the average duration and magnitude by which evapotranspiration exceeds precipitation …

Biotic And Abiotic Factors Predicting The Global Distribution And Population Density Of An Invasive Large Mammal, Jesse S. Lewis, Mathew L. Farnsworth, Christopher L. Burdett, David M. Theobald, Miranda Gray, Ryan S. Miller

Other Publications in Wildlife Management

Biotic and abiotic factors are increasingly acknowledged to synergistically shape broad-scale species distributions. However, the relative importance of biotic and abiotic factors in predicting species distributions is unclear. In particular, biotic factors, such as predation and vegetation, including those resulting from anthropogenic land-use change, are underrepresented in species distribution modeling, but could improve model predictions. Using generalized linear models and model selection techniques, we used 129 estimates of population density of wild pigs (Sus scrofa) from 5 continents to evaluate the relative importance, magnitude, and direction of biotic and abiotic factors in predicting population density of an invasive large mammal …

Copyright And The Use Of Images As Biodiversity Data [Forum Paper], Willi Egloff, Donat Agosti, Puneet Kishor, David J. Patterson, Jeremy A. Miller

Concepts in Animal Parasitology

Taxonomy is the discipline responsible for charting the world’s organismic diversity, understanding ancestor/descendant relationships, and organizing all species according to a unified taxonomic classification system. Taxonomists document the attributes (characters) of organisms, with emphasis on those can be used to distinguish species from each other. Character information is compiled in the scientific literature as text, tables, and images. The information is presented according to conventions that vary among taxonomic domains; such conventions facilitate comparison among similar species, even when descriptions are published by different authors.

There is considerable uncertainty within the taxonomic community as to how to re-use images that …

An Iterative 3d Gis Analysis Of The Role Of Visibility In Ancient Maya Landscapes: A Case Study From Copan, Honduras, Heather Richards-Rissetto

Department of Anthropology: Faculty Publications

For several decades, Geographic Information Systems (GISs) have held center stage in archaeological studies of ancient landscapes. Recently, three-dimensional (3D) technologies such as airborne LiDAR and aerial photogrammetry are allowing us to acquire inordinate amounts of georeferenced 3D data to locate, map, and visualize archaeological sites within their surrounding landscapes. GIS offers locational precision, data overlay, and complex spatial analysis. Three-dimensionality adds a ground-based perspective lacking in two-dimensional GIS maps to provide archaeologists a sense of mass and space more closely attuned with human perception. This article uses comparative and iterative approaches ‘tacking back and forth’ between GIS and 3D …

Homestead National Monument Of America, Bat Acoustic Monitoring, September 2016, Daniel S. Licht

United States National Park Service: Publications

Abstract

Homestead National Monument of America is a 211-acre park located in an agrarian landscape in southeastern Nebraska. From September 16 to October 1, 2016, park staff deployed acoustic monitors at three sites in the park for purposes of monitoring night-time bat activity. The three sites averaged 179, 48, and 33 bat detections per night. Night-time bat activity was generally highest in the 1-2 hours following sunset.

Based on the acoustic surveys the big brown (Eptesicus fuscus), eastern red (Lasiurus borealis), northern long-eared (Myotis septentrionalis) and evening bats (Nycticeius humeralis) were present at the …

Seed Management Systems Of Phaseolus Used By Farmers From Oaxaca, México, A. L. García-Narváez, S. Hernández-Delgado, J. L. Chávez-Servia, N. Mayek-Pérez

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

The management and conservation of landraces and wild germplasm of Phaseolus have influenced the diversity levels reported in previous studies (Worthington et al., 2012; Soleri et al., 2013; Chávez-Servia et al., 2016). Oaxaca is located at southern Mexico and it is a complex state due its accidental geography and variable climatic composition influenced by the Gulf of México and the Pacific Ocean (García-Mendoza et al., 2004). The state of Oaxaca is divided into eight ethno-cultural regions (INEGI, 2017; http://www.inegi.org.mx) clearly differentiated by the presence of ethno-linguistic groups and a wide variety of landscapes, weather, wildlife and …