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Description

The outlying cities of Phoenix's West Metropolitan experienced rapid growth in the past ten years. This trend is only going to continue with an average expected growth of 449-891% between 2000 and 2035 (ADOT, 2012). Phoenix is not new to growth and has consistently seen swaths of people added to

The outlying cities of Phoenix's West Metropolitan experienced rapid growth in the past ten years. This trend is only going to continue with an average expected growth of 449-891% between 2000 and 2035 (ADOT, 2012). Phoenix is not new to growth and has consistently seen swaths of people added to its population. This raises the question of what happened to the people who lived in Phoenix's West Valley during this period of rapid change and growth in their communities? What are their stories and what do their stories reveal about the broader public history of change in Phoenix's West Valley? In consideration of these questions, the community oral histories of eight residents from the West Valley were collected to add historical nuance to the limited archival records available on the area. From this collection, the previous notion of "post-war boomtowns” describing Phoenix’s West Valley was revealed to be highly inaccurate and dismissive of the residents' experiences who lived and formed their lives there.

ContributorsCampanile, Isabella (Author) / Geiser, Samantha (Co-author) / Martinez Orozco, Rafael (Thesis director) / O'Flaherty, Katherine (Committee member) / Barrett, The Honors College (Contributor) / Department of Economics (Contributor)
Created2022-05
Description

This creative project consists of a series of narrative and interactive videos that explains the Mediterranean Diet from both nutritional and cultural perspectives, its history, and shares the stories and insights of female farmers in Southern Italy. These women preserve native ancient varieties of edible flora and cultural practices that

This creative project consists of a series of narrative and interactive videos that explains the Mediterranean Diet from both nutritional and cultural perspectives, its history, and shares the stories and insights of female farmers in Southern Italy. These women preserve native ancient varieties of edible flora and cultural practices that have evolved with the plants and the territory. This video series recognizes the women preserving their traditions and local varieties native to Southern Italy and highlights the importance of local place-based eating and foodways. The videos provide questions and vocabulary to engage with the audience and challenge them to develop ideas and ruminate on the material presented.

ContributorsLarson, Chloe (Author) / Vitullo, Juliann (Thesis director) / Dal Martello, Chiara (Committee member) / Barrett, The Honors College (Contributor) / School of International Letters and Cultures (Contributor) / School of Molecular Sciences (Contributor)
Created2022-05
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Description

In arid environments such as Arizona, agricultural producers are burdened by constraints placed on them by inhospitable weather and limited access to water and fertile soil when attempting to grow produce. Farms in the arid Southwest often have to build greenhouses to overcome such constraints; however, such greenhouses may be

In arid environments such as Arizona, agricultural producers are burdened by constraints placed on them by inhospitable weather and limited access to water and fertile soil when attempting to grow produce. Farms in the arid Southwest often have to build greenhouses to overcome such constraints; however, such greenhouses may be relatively space, water, and pesticide intensive and often have demanding maintenance needs and overhead costs. In addition, many current agricultural practices exhaust land resources disparagingly, leading to irreversible environmental degradation. In an effort to improve agricultural production for those limited by weather and resource constraints while simultaneously increasing sustainability in land, resource and pesticide use, we have created Valleyponics, a hydroponic growth services company centered around creating a minimal farming footprint. The company uses a consultative services approach, leveraging NASA Veggie Growth System Technology to provide solutions to large businesses by automating their agricultural production processes and minimizing resource use year-round. Valleyponics aims to cultivate consultative partnerships which will allow our clients, their communities, and the environment to flourish.

ContributorsValesano, Megan (Author) / Craft, Josh (Co-author) / Walsh, Samuel (Co-author) / Ramirez, Noe (Co-author) / Byrne, Jared (Thesis director) / Lee, Christopher (Committee member) / Barrett, The Honors College (Contributor) / Department of Information Systems (Contributor) / Department of Management and Entrepreneurship (Contributor)
Created2022-05
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Description

In arid environments such as Arizona, agricultural producers are burdened by constraints placed on them by inhospitable weather and limited access to water and fertile soil when attempting to grow produce. Farms in the arid Southwest often have to build greenhouses to overcome such constraints; however, such greenhouses may be

In arid environments such as Arizona, agricultural producers are burdened by constraints placed on them by inhospitable weather and limited access to water and fertile soil when attempting to grow produce. Farms in the arid Southwest often have to build greenhouses to overcome such constraints; however, such greenhouses may be relatively space, water, and pesticide intensive and often have demanding maintenance needs and overhead costs. In addition, many current agricultural practices exhaust land resources disparagingly, leading to irreversible environmental degradation. In an effort to improve agricultural production for those limited by weather and resource constraints while simultaneously increasing sustainability in land, resource and pesticide use, we have created Valleyponics, a hydroponic growth services company centered around creating a minimal farming footprint. The company uses a consultative services approach, leveraging NASA Veggie Growth System Technology to provide solutions to large businesses by automating their agricultural production processes and minimizing resource use year-round. Valleyponics aims to cultivate consultative partnerships which will allow our clients, their communities, and the environment to flourish.

ContributorsRamirez, Noe (Author) / Craft, Joshua (Co-author) / Valesano, Megan (Co-author) / Walsh, Samuel (Co-author) / Byrne, Jared (Thesis director) / Lee, Christopher (Committee member) / Balven, Rachel (Committee member) / Barrett, The Honors College (Contributor) / Dean, W.P. Carey School of Business (Contributor) / Mechanical and Aerospace Engineering Program (Contributor)
Created2022-05
Description
Since the 20th century, Arizona has undergone shifts in agricultural practices, driven by urban expansion and crop irrigation regulations. These changes present environmental challenges, altering atmospheric processes and influencing climate dynamics. Given the potential threats of climate change and drought on water availability for agriculture, further modifications in the agricultural

Since the 20th century, Arizona has undergone shifts in agricultural practices, driven by urban expansion and crop irrigation regulations. These changes present environmental challenges, altering atmospheric processes and influencing climate dynamics. Given the potential threats of climate change and drought on water availability for agriculture, further modifications in the agricultural landscape are expected. To understand these land use changes and their impact on carbon dynamics, our study quantified aboveground carbon storage in both cultivated and abandoned agricultural fields. To accomplish this, we employed Python and various geospatial libraries in Jupyter Notebook files, for thorough dataset assembly and visual, quantitative analysis. We focused on nine counties known for high cultivation levels, primarily located in the lower latitudes of Arizona. Our analysis investigated carbon dynamics across not only abandoned and actively cultivated croplands but also neighboring uncultivated land, for which we estimated the extent. Additionally, we compared these trends with those observed in developed land areas. The findings revealed a hierarchy in aboveground carbon storage, with currently cultivated lands having the lowest levels, followed by abandoned croplands and uncultivated wilderness. However, wilderness areas exhibited significant variation in carbon storage by county compared to cultivated and abandoned lands. Developed lands ranked highest in aboveground carbon storage, with the median value being the highest. Despite county-wide variations, abandoned croplands generally contained more carbon than currently cultivated areas, with adjacent wilderness lands containing even more than both. This trend suggests that cultivating croplands in the region reduces aboveground carbon stores, while abandonment allows for some replenishment, though only to a limited extent. Enhancing carbon stores in Arizona can be achieved through active restoration efforts on abandoned cropland. By promoting native plant regeneration and boosting aboveground carbon levels, these measures are crucial for improving carbon sequestration. We strongly advocate for implementing this step to facilitate the regrowth of native plants and enhance overall carbon storage in the region.
ContributorsGoodwin, Emily (Author) / Eikenberry, Steffen (Thesis director) / Kuang, Yang (Committee member) / Barrett, The Honors College (Contributor) / School of Mathematical and Statistical Sciences (Contributor)
Created2024-05
Description
Intensive agricultural practices around the world have led to both a depletion of soil organic carbon (SOC) in cropped soils and runoff of nitrogen fertilizer into the environment, which can lead to limited crop growth and environmental degradation. Because of the increasing demand for food and the decreasing vitality of

Intensive agricultural practices around the world have led to both a depletion of soil organic carbon (SOC) in cropped soils and runoff of nitrogen fertilizer into the environment, which can lead to limited crop growth and environmental degradation. Because of the increasing demand for food and the decreasing vitality of soils, there is a great need for less intensive alternatives to traditional synthetic fertilizers and agricultural practices. In recent years, microalgae have been increasingly seen as a potential alternative to traditional fertilizers, with prokaryotic cyanobacteria being able to fix nitrogen for plant growth. While there is potential for eukaryotic microalgae to offer similar benefits to agricultural plants, their overall impacts are not widely known. To study the impacts that eukaryotic microalgae have on the plant rhizosphere, sixteen heads of Arianna lettuce were grown, with eight treated with Chlorella sp. algae amended to the irrigation water. The rhizosphere of the plant was sampled and the microbial community was analyzed using quantitative PCR (qPCR) in order to determine changes in rhizosphere bacterial composition, nitrogen-fixing population abundances, and Chlorella sp. abundances. It was found that the treated plants had a greater mass and a significantly greater presence of nitrogen-fixing bacteria. On the contrary, plant rhizospheres that were untreated were found to have a significantly greater overall abundance of the bacterial community. Lastly, the rhizosphere of amended plants harbored significantly more Chlorella than the untreated plants, indicating that the Chlorella was retained and possibly recruited to the plant rhizosphere throughout the treatment.
ContributorsOgimoto, Rylyn (Author) / Penton, Ryan (Thesis director) / Briggs, Georgette (Committee member) / Barrett, The Honors College (Contributor) / School of Applied Sciences and Arts (Contributor)
Created2024-05
Description
Machine learning(ML) has been on the rise in many fields including agriculture. It is used for many things including crop yield prediction which is meant to help farmers decide when and what to grow based on the model. Many models have been built for various crops and areas of the

Machine learning(ML) has been on the rise in many fields including agriculture. It is used for many things including crop yield prediction which is meant to help farmers decide when and what to grow based on the model. Many models have been built for various crops and areas of the world utilizing various sources of data. However, there is yet to exist a model designed to predict any crop’s yield in Yuma Arizona, one of the premier places to grow crops in America. For this, I built a dataset from farm documentation that describes the actions taken before, during, and after a crop is being grown. To supplement this data, ecological data was also used so data such as temperature, heat units, soil type, and soil water holding capacity were included. I used this dataset to train various regression models where I discovered that the farm data was useful, but only when used in conjunction with the ecological data.
ContributorsJohnson, Nicholas (Author) / Kerner, Hannah (Thesis director) / Bandaru, Varaprasad (Committee member) / Barrett, The Honors College (Contributor) / School of International Letters and Cultures (Contributor) / Computer Science and Engineering Program (Contributor)
Created2024-05
Description
The purpose of this research is to better understand the potential use environment of a Dendritic Identifier within the current leafy green supply chain, including the exploration of potential costs of implementation as well as non-economic costs. This information was collected through an extensive review of literature and through the

The purpose of this research is to better understand the potential use environment of a Dendritic Identifier within the current leafy green supply chain, including the exploration of potential costs of implementation as well as non-economic costs. This information was collected through an extensive review of literature and through the engagement in in-depth interviews with professionals that work in the growing, distribution, and processing of leafy greens. Food safety in the leafy green industry is growing in importance in the wake of costly outbreaks that resulted and recalls and lasting market damage. The Dendritic Identifier provides a unique identification tag that is unclonable, scannable, and compatible with blockchain systems. It is a digital trigger that can be implemented throughout the commercial leafy green supply chain to increase visibility from farm to fork for the consumer and a traceability system for government agencies to trace outbreaks. Efforts like the Food Safety Modernization Act, the Leafy Green Marketing Agreement, and other certifications aim at establishing science-based standards regarding soil testing, water, animal feces, imports, and more. The leafy green supply chains are fragmented in terms of tagging methods and data management services used. There are obstacles in implementing Dendritic Identifiers in that all parties must have systems capable of joining blockchain networks. While there is still a lot to take into consideration for implementation, solutions like the IBM Food Trust pose options for a more fluid transfer of information. Dendritic Identifiers beat out competing tagging technologies in that they work with cellphones, are low cost, and are blockchain compatible. Growers and processors are excited by the opportunity to showcase their extensive food safety measures. The next step in understanding the use environment is to focus on the retail distribution and the retailer specifically.
ContributorsMin, Eleanor (Author) / Manfredo, Mark (Thesis director) / Kozicki, Michael (Committee member) / Barrett, The Honors College (Contributor) / Department of Information Systems (Contributor) / Department of Supply Chain Management (Contributor)
Created2022-05
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Description
Water is a scarce resource that is recycled through wastewater treatment plants (WWTPs) to help fulfill the demand for water. Agriculture is a large consumer of water, indicating that WWTP-treated water is proportionally applied to crops at a high rate. Recycled water is highly regulated but is capable of containing

Water is a scarce resource that is recycled through wastewater treatment plants (WWTPs) to help fulfill the demand for water. Agriculture is a large consumer of water, indicating that WWTP-treated water is proportionally applied to crops at a high rate. Recycled water is highly regulated but is capable of containing high-risk pathogens and contaminants despite the efforts of physical and microbial treatments throughout the WWTP process. WWTPs are also producers of biosolids, treated sewage sludge regulated by the EPA that can be applied in agricultural settings to act as a fertilizer. Biosolids are a useful fertilizer as they are rich in nitrogen and contain many beneficial nutrients for soil and crops. Due to biosolids being a by-product of recycled water, they are susceptible to containing the same pathogens and contaminants that can be transferred in the WWTP systems. Antibiotic resistance (AR) is an ever-growing threat on a global scale and is one of the areas of concern for consideration of pathogen spread from WWTPs. Antibiotic resistance bacteria, created through mutation of bacterial plasmids producing antibiotic resistance genes (ARGs), have been quantified and studied to help mitigate the risk posed by continued AR spread in the environment. This study aims to produce a comprehensive collection of quantified ARG concentration data in biosolids, as well as producing a QMRA model integrating Monte Carlo distributions to provide groundwork for understanding of the direct dosage and consumption of ARGs to the standard U.S. citizen. The study determined that sul1, sul2, tetM, and tetO are ARGs of high concern in biosolid samples based on current concentration data of biosolid samples. The resulting dose models and gene concentration distributions provide data to support the need to mitigate AR risk presented by agricultural biosolid application.
ContributorsMorgan, Grace (Author) / Hamilton, Kerry (Thesis director) / Muenich, Rebecca (Committee member) / Barrett, The Honors College (Contributor) / Harrington Bioengineering Program (Contributor)
Created2022-05
Description

The debate around genetic engineering has permeated society for decades. A crucial aspect of this debate is the containment of genetically engineered organisms. This project outlines the three types of biocontainment and the conclusions drawn about each in the form of policy briefs. These briefs utilize case studies to sketch

The debate around genetic engineering has permeated society for decades. A crucial aspect of this debate is the containment of genetically engineered organisms. This project outlines the three types of biocontainment and the conclusions drawn about each in the form of policy briefs. These briefs utilize case studies to sketch an overview of the current biocontainment paradigm in the United States. In addition, there is a brief discussing the major conclusions drawn from the case studies, as well as a brief containing useful definitions.

ContributorsDanciu, Mark (Author) / Frow, Emma (Thesis director) / Vogel, Kathleen (Committee member) / Barrett, The Honors College (Contributor) / School of Life Sciences (Contributor) / Historical, Philosophical & Religious Studies, Sch (Contributor)
Created2023-05