Digital Commons Network^™

Displacement, Place Attachment, And Other Characteristics Of Anglers On The Yellowstone River, Zachary L. Jones

Graduate Student Theses, Dissertations, & Professional Papers

Yellowstone River has seen increasing recreational use as Montana has grown and out of state visitation has increased, leading to some locals voicing concerns of crowding. River recreation, as with many outdoor recreational activities, has participants that may be considered to be sensitive to crowded conditions and place a high value on solitude. Considering these perceptions, there is reason to believe that these participants may change their river use patterns if or when the perceived level of crowding exceeds their tolerance thresholds. Further, monitoring efforts conducted at river access sites often do not fully capture users that are already displaced …

Assessing The Impact Of Parallel Burnout Fires On Flank Rate Of Spread, Erik Borke

Graduate Student Theses, Dissertations, & Professional Papers

The effects of flank-parallel suppression fires on the local rate of spread (ROS) of freely burning headfires through fully cured homogeneous grass fuels are assessed. Data sets include: one thermal image stack of a prescribed burn recorded by drone, and a suite of simulation experiments carried out in Wildland Urban Interface Fire Dynamics Simulator (WFDS). A new approach to computing ROS, curvature proxy driven normals to convex polylines, was developed to carry out this analysis. ROS time series depicting flank acceleration of the prescribed burn and simulation experiments, observable under coarse and fine directional classification schemes respectively, are the primary …

Beaver Dam Analogs (Bdas) Alter Carbon Pools, Fluxes, And Concentrations Of Intermountain Headwater Streams, Hilary Schultz

Graduate Student Theses, Dissertations, & Professional Papers

Beaver dam analogs (BDAs) have emerged as a climate adaptation and restoration strategy for water resource management in the drought-prone Western U.S., yet the focus has been on their influence on water quantity, overlooking effects on broader ecological components. By increasing water residence time and facilitating sediment retention, BDAs have the potential to influence carbon pools, fluxes, and concentrations. To examine the influence of BDAs on instream and riparian organic C and trace gases, we studied three intermountain headwater streams restored with BDAs two years after restoration during the summer of 2021. We found that there were subtle differences in …

Influence Of Exercise On Brown, White And Beige Adipocytes, Anna C. Covington

Graduate Student Theses, Dissertations, & Professional Papers

No abstract provided.

A Biophysical Approach To Modeling Elevational Range Shifts In Colorado Mammal Communities, Ryan T. Mahar

Graduate Student Theses, Dissertations, & Professional Papers

Species geographic ranges are shifting in the face of contemporary climate warming, and documenting range shifts is crucial to our understanding of the underlying drivers mediating movement in geographic range limits. Studies on elevational range shifts with climate change are beginning to accrue within the literature, though observed shifts are idiosyncratic and difficult to predict. Some species may respond to warming temperatures by shifting their range limits upslope, where temperatures are cooler owing to the adiabatic lapse rate. However, species may also respond to warming temperatures in an elevation-dependent manner: if changes in snow depth expose overwintering organisms to colder …

Thipsinna Dakhod Wichohan Wakhan – ‘Turnip Dakhota Way Of Life Is Sacred’: A Dakhota Model For K-12 Pedagogy And Curriculum, Ramey Leigh Escarcega-Growing Thunder

Graduate Student Theses, Dissertations, & Professional Papers

The term “cultural place-based” is used to ground this research—a specific spiritual place linked to cultural and language-based education within the homelands of the Dakȟóta, Nakoda, and Lakota peoples who inhabit territories in Montana, South Dakota, North Dakota, and Canada: The Native people regard these as their homelands. In the Dakȟóta language, itȟáŋčhaŋ translates to “a leader, boss, person in charge, position of authority, office, management, and political power,” (Lakota Language Consortium, Llc., 2013). The author utilizes the word itȟáŋčhaŋ as the cultural–educational leadership view in creating a cultural place-based model. This research identifies the impact indicators of implementing a …

Investigating Changes In Er-To-Golgi Protein Transport Following A Short Calcium Pulse: Roles Of Alg-2 And Peflin, Alaa Mohammed Yosri Shaheen

Graduate Student Theses, Dissertations, & Professional Papers

The ER-Golgi interface is a very dynamic environment that involves the movement of protein-loaded vesicles forward and backward. The movement of COPII-coated vesicles from the ER to the Golgi is the initial step in the movement of secreted, organellar, and cell surface proteins toward their final destinations. Many factors can regulate this step, including cytosolic calcium increases. In this study, we examined the effect of a transient calcium pulse on recruitment to ER exit sites of cargo proteins for ER export, the calcium-sensitive regulatory proteins apoptosis-linked gene 2 (ALG-2) and peflin, and the COPII outer coat subunits Sec31A and Sec13. …

Traditional Ecological Philosophy, Michael J. Desrosier

Graduate Student Theses, Dissertations, & Professional Papers

A collection of creative essays that span a range of topics centered on Indigenous environmental wisdom.

High-Frequency Observations Of Riverine Inorganic Carbon Variability Using In Situ Autonomous Sensors, Qipei Shangguan

Graduate Student Theses, Dissertations, & Professional Papers

Rivers and streams actively metabolize, emit, transport and store carbon of various forms received from terrestrial environments. Our current understanding of how rivers and streams contribute to the global carbon cycle remains limited, however, in part due to high temporal variability and complexity of inorganic carbon chemistry. In situ autonomous chemical sensors provide powerful tools to observe changes in rivers and streams and enable development of CO2-specific models to quantify riverine processes. In many aspects, our ability to utilize high-frequency sensor measurements remains limited.

This dissertation aims to improve our understanding of inorganic carbon cycling through sensor technology and numerical …

Conflict And Recreation Behaviors Among Snowmobilers: The Role Of Organizational Membership, Liam Carlson Harry Mr.

Graduate Student Theses, Dissertations, & Professional Papers

This study explores the relationship between conflict and recreation behaviors among snowmobilers at western Montana snowmobile access sites (WMSAS) and investigates whether organizational membership influences the types of conflict experienced and attitudes towards appropriate recreation behaviors. Data were collected through an intercept survey, and responses from 250 snowmobilers were analyzed. Descriptive statistics and chi-square tests were used to examine the research questions.

The findings suggest that snowmobilers at WMSAS experienced minimal conflict, with interpersonal conflict related to "hearing others" being the most observed. However, this conflict was not necessarily perceived as a problem by the majority of respondents. Snowmobilers demonstrated …

Climatological, Hydrological, And Economic Analysis Of Agriculture In Montana And The Western U.S.A., Zachary H. Lauffenburger

Graduate Student Theses, Dissertations, & Professional Papers

Many studies have addressed the impact of climate on agriculture; however, fewer studies addressed how farmers adapt to climate change, to what extent implementation of adaptation strategies mitigates economic losses or alters the hydrologic system. Analyses of how historical climate affected not only farmer decision making, but also the economic and hydrological consequences of farmers’ adaptations to climate variations, and projections of the spatiotemporal climatic regimes at finer regional scales are critical for aiding in actionable climate change adaptations. This dissertation helps fill knowledge gaps on the impacts of climate change in rural regions of the agricultural western U.S.A. and …

An Investigation Of Cardiovascular Health Of Wildland Firefighters And Impact Of Temperature On Occupational Injuries Among Workers, Md Zahid Hasan

Graduate Student Theses, Dissertations, & Professional Papers

Cardiovascular events are the leading cause of on-the-job mortality among wildland firefighters (WFFs). Health screening programs play an important role in assuring the safety of workers in this arduous duty occupation. Some research has highlighted acute health effects in this worker population, but little is known about the impact of long-term, repeated exposures. To fill this gap, my dissertation investigated cardiovascular health status of wildland firefighters and explored the association of their work history (days assigned on fire) to the subclinical risks factors of cardiovascular health. My 1st study compared the subclinical risk factors of cardiovascular health of wildland firefighters …

An Examination Of Transitioning Meso-Institutions And Markets In The Landscape Of American Politics, Devin Thomas Marconi

Graduate Student Theses, Dissertations, & Professional Papers

This paper bridges the gap in the literature between sociological accounts of market actors provided by Mark Granovetter and Douglas North, meso-institutional examinations of polarization provided by Paul Pierson and Eric Schickler, and the psychological exploration into cross-cutting identities provided by Liliana Mason. I argue that the nationalization and concentration of markets, identities, and politics have led to a transition within the meso-institution of the market from maintaining self-regulating punishment mechanisms to replacing them with self-reinforcing mechanisms, exacerbating affective polarization. Previous works explore the transition within the meso-institutions of the media, interest groups, and political parties. I include the market …

Evaluating The Sensitivity Of Crustal Deformation To Bedrock Hydrology In A Mountain Watershed, Brett J. Oliver

Graduate Student Theses, Dissertations, & Professional Papers

We evaluate the sensitivity of Earth's elastic deformation to groundwater hydraulic diffusivity using coupled groundwater and elastic deformation models. Seasonal changes in terrestrial water storage cause deformation to the Earth’s crust and deeper interior that is within the observational capacity of GPS instruments. We couple finite difference groundwater simulations with geodetic forward models of crustal displacement to investigate the ability of geodetic deformation to constrain bedrock hydrologic properties. We use MODFLOW-2005 to simulate seasonal changes in groundwater flow and storage, and then use the LoadDef elastic deformation model to forward model surface displacement caused by the change in terrestrial water …

Ecosystem Phosphorus Nutrition: A Soil Process Investigation, Alanna Nicole Shaw

Graduate Student Theses, Dissertations, & Professional Papers

Many Earth System Models (ESMs) predict a plant fertilization effect associated with elevated atmospheric carbon dioxide (CO2) concentrations that may increase the capacity of the biosphere to store carbon, stabilizing or even reducing atmospheric CO2 concentrations. This could plausibly mitigate global climate change. However, this effect is only possible in the absence of other limiting factors, such as the availability of nutrients like phosphorus (P). Critical uncertainties remain in our understanding of the soil biogeochemical controls of terrestrial P availability including: the response of soil P recycling rates to global climate warming and extent to which occluded soil P is …

Fundamental Investigation On Anion Binding Employing The Hydrogen Bond Enhanced Halogen Bond, Jiyu Sun

Graduate Student Theses, Dissertations, & Professional Papers

Noncovalent interactions play a critical role in chemistry and biochemistry. Understanding how to modulate closely situated noncovalent interactions is of utmost importance in the design of functional materials, supramolecular assemblies, pharmaceuticals, and catalysts. Over the past two decades, there has been a significant surge in research and applications on halogen bonds, driven by their exceptional properties such as high directionality and unique tunability when compared to hydrogen bonds. Taking inspiration from nature and other synthetic anion-binding receptors that effectively employ multiple noncovalent interactions in a concerted manner, we have developed an innovative preorganization strategy termed the "Hydrogen Bond Enhanced Halogen …

Teachers’ Perceptions Of The Behavioral Symptoms Associated With Trauma, Hannah Hall

Graduate Student Theses, Dissertations, & Professional Papers

No abstract provided.

Leveraging Hydrogen Bond Enhanced Halogen Bonding For Higher-Order Anion Helix Formation In Foldamers, Eric Arno John

Graduate Student Theses, Dissertations, & Professional Papers

The ubiquity of folding in biopolymers to induce critical functions like information storage, signal transduction, catalysis, and selective binding has inspired chemists to create synthetic analogs called “foldamers” as materials which emulate and complement the remarkable complexity observed in nature. The ingenuity of chemists has yielded unique methodologies to induce secondary structure (folding) for diverse applications in materials science, medicine, and nanotechnology.

Anion foldamers are a specific class of foldamers engineered to recognize and specifically bind anions through noncovalent interactions. Using anions to induce folding has unique challenges. Anions have diverse topologies, pH dependence, and high free energies of solvation …

An Interdisciplinary Approach To Understanding Ecosystem Processes And Human Perceptions Of Montana’S Mountain Lakes, Carly Innis

Graduate Student Theses, Dissertations, & Professional Papers

Mountain lake ecosystems are critical in their roles in global biogeochemical cycling and providing vital ecosystem services, including freshwater resources, ecological habitats, and recreational opportunities. Ecological processes in mountain lakes, especially those occurring in the littoral, or near-shore zones, are linked to society and can be negatively influenced by human behavior, consequently threatening ecosystem services a lake provides. To investigate this problem, this study interrogates two inter-related issues. First, I assessed ecosystem metabolic services of biological activity that demonstrate a lake’s role in carbon cycling through sampling and monitoring a series of mountain lakes. During the summer of 2022, we …

Predicting Gene Flow Corridors And Wildlife Health Using Landscape Genomics And Non-Invasive Metagenomic Monitoring: Investigation Of Elk (Cervus Canadensis) In The Greater Yellowstone Ecosystem, Samuel B. Pannoni

Graduate Student Theses, Dissertations, & Professional Papers

This work develops and applies novel methods for metagenomic and landscape genomic (LSG) investigation of wildlife populations, specifically in Rocky Mountain elk (Cervus canadensis) in the Greater Yellowstone Ecosystem (GYE). Host fecal microbiomes facilitate and reflect interactions between the host and its environment. We conducted metagenomic surveys and developed a machinelearning classifier for microbiomes that provided new insights into elk-microbiome biogeography, and the impact of fecal microbiomes on host health and the ecology of elk-wolf (Canis lupus) predation. In the microbiome study, we found strong evidence for multiple management-relevant factors structuring elk microbiomes including body fat percentage, sex, age, and …

Haunted Forms: Intermediality, Trauma, And Literary Memory, Gabriella Graceffo

Graduate Student Theses, Dissertations, & Professional Papers

This thesis considers contemporary literature’s use of intermediality as a method to heighten the affective embodiment of PTSD symptoms represented in text. Using the meaning-making structures of photography and film, the analysis examines how the writing of Georges Bataille, Annie Ernaux, Michael Ondaatje, and Bhanu Kapil use formal implicit reference—the type of intermediality in which the characteristics and semiotics of one medium are translated to another without direct reproduction—to represent both traumatic experiences themselves and the symptom domains of PTSD. Caroline Levine’s work on affordance theory from Forms: Whole, Rhythm, Hierarchy, Network provides a theoretical foundation as to how the …

Modified Tlr7/8 Adjuvanted Liposomes For Improved Intranasal Delivery Of Subunit Vaccines, Elizabeth Brander Lorentz

Graduate Student Theses, Dissertations, & Professional Papers

Intranasal vaccines hold enormous potential for improving vaccine efficacy against respiratory pathogens by activating the mucosal immune system. The urgency for novel approaches in vaccine development is amplified by the recent COVID-19 pandemic. Most intranasal vaccines that were developed are either live-attenuated or inactivated vaccine candidates that demonstrated poor safety profiles. Protein-based subunit vaccines represent a safe and cost-effective alternative, but they are often weak immunogenically. TLR7/8 adjuvants such as INI-4001 have shown promise for enhancing the humoral and cellular immunogenicity of protein-based subunit vaccines. It is theorized that poor immunogenicity of intranasal protein subunit vaccines is due to low …

Life After Ice: Ecology Of Mountain Lakes Across Glacial And Elevation Gradients, Joseph William Vanderwall

Graduate Student Theses, Dissertations, & Professional Papers

Conceptual models of primary succession in lakes often do not match with empirical data. New lakes arising in mountain regions due to the loss of alpine glaciers offer an opportunity to study newly forming lakes. In addition to the loss of alpine glaciers, mountain lakes are currently experiencing rapid changes, including increased vegetation cover, variable snowpack, and increased nutrient deposition. In this dissertation, I used glacial and elevation gradients to investigate the ecology and biogeochemistry of early lakes and how they may change through time. The first chapter details the glacial gradient and shows that early lakes dominated by glacial …

Activity Pattern Analysis From A Commingled And Fragmentary Necropolis: Entheseal Changes At Kourion Amathus Gate Cemetery (Kagc), Hannah Burgess Carson

Graduate Student Theses, Dissertations, & Professional Papers

Entheseal changes (EC) have been used to reconstruct past human activity patterns, but little research has been done in Cyprus or outside of complete, well-preserved remains. The Kourion Amathus Gate Cemetery (KAGC) is a necropolis located on the southern coast of Cyprus. The Late-Roman (1-7 c. CE) cist graves contained commingled and fragmentary remains. Due to the commingled and fragmentary nature of KAGC, the primary purpose of this study was to see if EC analyses could be conducted on this population. Following that, this study sought to observe possible patterns of preservation as well as trends in EC data between …

Chinese Material Culture Signatures In Native North America: A Preliminary Study Of National Museum Of The American Indian Online Collections And Plains, Erin Drin Rosenkrance, Erin D. Rosenkrance

Graduate Student Theses, Dissertations, & Professional Papers

Rosenkrance, Erin, M.A. Autumn 2023, Department Anthropology

Chinese Material Culture Signatures in Native North America:

A Preliminary Study of National Museum of the American Indian Online Collections and Plains cultural heritage

Chairperson: Dr. Kelly Dixon, Anthropology. University of Montana

This research explores and identifies Chinese Material Culture (CMC) incorporated into Plains Tribal Culture Artifacts Collections (PTACs) within the National Museum of the American Indian (NMAI) online collection. The study seeks to establish the historical context and rationale for this investigation and aims to provide a visual analysis of the identified CMCs, laying the groundwork for future research. Through an exploratory …

Reinforcement Learning For Optimal Control In Simulated Greenhouses, Daithi Kahele Leilehua Martin

Graduate Student Theses, Dissertations, & Professional Papers

Demands on agricultural systems will increase as the world population continues to grow. Controlled Environment Agriculture (CEA) is an old idea gaining more recent momentum due to advances in automation, lighting, and climate control. One of the fundamental challenges of CEA is optimal control of the growing environment. We present a method for optimal control in CEA utilizing Deep Reinforcement Learning (DRL). DRL comprises a set of machine learning algorithms that optimize a user-defined reward function. We define this function such that the reward is high when the growing environment is ideal for crop production, and the reward is low …

“Should Wellbeing Be The Same As Perfection?” A Case Study On Student Wellbeing In Higher Mathematics Education, Marcelo Alonso Almora Rios

Graduate Student Theses, Dissertations, & Professional Papers

Previous research has given the impression that reticent is our hunt for optimal teaching practices, educational goals, and nature of mathematical workings. In this regard, we have (seemingly) ended up with the following inquiries:

• What could the math classroom be for? and
• What has the math classroom been for?

These two questions touch on the scary horns of two other charged philosophical dandruffs. Namely:“What are the aims of teaching mathematics?” and “What should be our objectives in learning it?”

The term ‘positive education’ refers to an educational system engendering both the skills of positive wellbeing and traditional, academic achievement (Seligman …

Venturing Into The Virtual: An Analysis Of Virtual Museums And Creation Of Umacf Southwestern Basketry Virtual Exhibit, Monica D. Lusnia

Graduate Student Theses, Dissertations, & Professional Papers

The prevalence of virtual museums has grown in recent years and this relatively new exhibition format has presented the museum field with opportunities for growth. In an effort to explore the virtual sphere as an effective avenue for museum growth and change, I conduct an analysis of what virtual museums are, the challenges they pose, and the benefits they can provide to museum education. Case studies of University of California Chico, University of New Mexico, University of Arizona, and University of Nevada Reno’s virtual exhibition of materials from each university’s anthropology collections serves to further the exploration of the efficacy …

The Biome Within: Conception And Change In The Paradise Valley, Austin Kirchhoff

Graduate Student Theses, Dissertations, & Professional Papers

The Biome Within is an essay collection that meditates on change. Born and raised in the Paradise Valley of southwest Montana, Austin recounts stories from her childhood, painting a picture of rural life in the Valley that contrasts with its modern-day incarnation as a luxury get-away and millionaire’s playground. Even as Austin pines for a time and a place that no longer exists, embodying the nostalgia that she identifies in the Valley’s transplants, the reader comes to understand that the author – and her family’s way of making a living – are culpable in creating the changes that she now …

The Impact Of Cognitive Function On Patient Language And Quality Of Life Outcomes For Stroke Survivors With Aphasia Who Participate In An Intensive Comprehensive Aphasia Program (Icap), Kortney M. Krieger

Graduate Student Theses, Dissertations, & Professional Papers

Background: Aphasia is an acquired language disorder that impairs communication, across all modalities of language (i.e., reading, writing, speaking, and comprehension). Aphasia most commonly results from damage to the left hemisphere of the brain (e.g., stroke, traumatic brain injury). Cognitive function including attention, memory, and executive functioning may negatively impact patient outcomes during post-acute rehabilitation of aphasia. Intensive Comprehensive Aphasia Programs (ICAPs) provide intensive, evidence-based and holistic treatment for a cohort of stroke survivors. The impact of these cognitive functions on language outcomes following participation in an ICAP has not been explored.

Aims: To investigate the impact of extralinguistic cognition …