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Honors Theses

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Shifts In Thermal Habitats In The Gulf Of Maine Under Climate Change: A Case Study On American Lobster, Xinyi Zheng Jan 2017

Shifts In Thermal Habitats In The Gulf Of Maine Under Climate Change: A Case Study On American Lobster, Xinyi Zheng

Honors Theses

The rapid ocean warming observed in and predicted for the Gulf of Maine (GoM) raises uncertainties in the future distribution of American lobster (Homarus americanus). The location of lobsters is crucial to the long-term sustainability as well as management of Maine lobster fishery. This study provides a literature review of lobsters’ thermal preferences in the summer lobstering season and analyzes high-resolution sea surface temperature data in Geographic Information System in order to predict the changes in thermal habitats in the GoM under different climate change scenarios. The results show a projected decrease in cooler thermal habitats (11-15 °C) …

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Correcting Pedestrian Dead Reckoning With Monte Carlo Localization Boxed For Indoor Navigation, Akira T. Murphy Jan 2017

Correcting Pedestrian Dead Reckoning With Monte Carlo Localization Boxed For Indoor Navigation, Akira T. Murphy

Honors Theses

Localization of phones is a ubiquitous part of the modern mobile electronics landscape. However, there are many situations where the current method of networked localization fails. A Pedestrian Dead Reckoning System where the location of the user is calculated by counting the steps and direction of the user was implemented as an iOS app with python for data analysis. A novel algorithm for wireless sensor localization using Ad-Hoc Bluetooth networks was proposed. A small experiment was performed proving that the system is nearly equal to state of the art algorithms.

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Temporal Changes In The Larval Placopecten Magellanicus Population In A Small-Scale Fishery Closure Area In Coastal Maine, Usa, Jessica P. Batchelder Jan 2017

Temporal Changes In The Larval Placopecten Magellanicus Population In A Small-Scale Fishery Closure Area In Coastal Maine, Usa, Jessica P. Batchelder

Honors Theses

The Midcoast Maine Collaborative Scallop Project was established in 2013 by fishers, scientists, and policy makers to determine if a small-scale closure area could restore the local Atlantic sea scallop (Placopecten magellanicus) population to an area in coastal Maine that previously supported high scallop densities. These stakeholders established a three by one mile closure area in the Lower Muscle Ridge Channel to assess the response of the adult and larval scallop populations. Understanding the larval dynamics in a closure area is key to evaluating the recovery potential of the population and for future population stock levels. This study …

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Dear Reader, How Do We Go On? Letters Of Reflection On Community Care In Climate Activism In Maine, Ester Topolarova Jan 2017

Dear Reader, How Do We Go On? Letters Of Reflection On Community Care In Climate Activism In Maine, Ester Topolarova

Honors Theses

Climate activist groups in Maine often see their members become too tired to continue organizing. Thus, I decided to explore how these activists enact community care. I conducted my fieldwork with 350 Maine and its local nodes. I explore community care as a practice and as an aspiration. Community care is practiced through the acts of people taking care of each other. Aspiration, therefore, is a way of living and seeing the self as striving to replicate the world activists are fighting for. I conceptualize care as racialized, gendered, classed, and embedded in neoliberal capitalism. In activist meetings, care is …

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Examining Interactions Between Opsins And Carotenoid Biosynthetic Proteins In Halophilic Archaea, Alexandru M. Plesa Jan 2017

Examining Interactions Between Opsins And Carotenoid Biosynthetic Proteins In Halophilic Archaea, Alexandru M. Plesa

Honors Theses

Organisms have evolved numerous specialized molecules for constantly responding to environmental changes. Examples of such molecules are the light-driven proton-pump rhodopsins, such as bacteriorhodopsin (BR) and cruxrhodopsin (cR), and the carotenoid pigments, such as retinal and bacterioruberin. In halophilic Archaea, retinal can covalently bind bacterioopsin (BO) and cruxopsin (CO) to form the corresponding protein complexes, and its biosynthesis is indirectly controlled by the activity of the lycopene elongase (Lye) enzyme, which converts lycopene, a retinal precursor, to a form of bacterioruberin. Interestingly, opsins were shown to inhibit the activity of Lye, thereby promoting retinal biosynthesis and indirectly regulating the apoprotein-cofactor …

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I Remember It Like This: Essays, Robin C. Lewis Jan 2017

I Remember It Like This: Essays, Robin C. Lewis

Honors Theses

This thesis is composed of eleven personal essays. As an Environmental Policy senior, I wanted to write down some of my formative stories—not just any stories, but those that may reveal the environmental thread in my life, which, I believe, was somehow instilled in me by my parents. This thread has followed me from Texas to Maine, from childhood to almost twenty-three. It has been supported and tested by various characters along the way, sometimes growing faint, other times stronger. As I prepare for something new, I’ve found it valuable to look back on the people and landscapes and stories …

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The Process Of Reclaiming Tribal Sovereignty Through Healthcare Autonomy, Karolina A. Serhan Jan 2017

The Process Of Reclaiming Tribal Sovereignty Through Healthcare Autonomy, Karolina A. Serhan

Honors Theses

This honors thesis explores the complex interplay between health status, healthcare, and tribal sovereignty among native communities in the United States. These relationships are explored through analyzing the paradoxical and condescending nature of the Federal Trust Responsibility in relation to government-organized healthcare programs for natives. In establishing this relationship, the thesis goes on to illustrate how native communities have effectively fought to regain sovereignty through reclaiming autonomy of their healthcare systems through the use of the 1975 Indian Self-Determination and Education Assistance Act. The impact of tribal-led healthcare systems is further explored through an in-depth case study conducted regarding the …

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Photochemical Generation Of Carbenes And Ketenes From Phenanthrene-Based Precursors Part I: Dimethylalkylidene Part Ii: Diphenylketene, Tarini S. Hardikar, Tarini Hardikar Jan 2017

Photochemical Generation Of Carbenes And Ketenes From Phenanthrene-Based Precursors Part I: Dimethylalkylidene Part Ii: Diphenylketene, Tarini S. Hardikar, Tarini Hardikar

Honors Theses

Previous studies have shown that the photolysis of phenanthrene-based cyclopropyl precursors can generate carbenes. In this work, a novel phenanthrene precursor was synthesized and photolyzed to generate the dimethylalkylidene carbene, which was subsequently trapped by cyclohexene. The car- bene was not prone to an internal rearrangement as some other carbenes are, and instead favored the intermolecular addition reaction. The precursor also underwent a rearrangement via pericyclic processes. A theoretical analysis of the potential energy surface of the system is presented using coupled cluster and density functional methods. Preliminary analysis for the precursor via time-resolved laser flash photolysis (LFP) was performed. …

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A Novel Method For Determination Of Ammonium Isotope Ratios With Electrospray Ionization Mass Spectrometry, Rebecca J. Chmiel Jan 2017

A Novel Method For Determination Of Ammonium Isotope Ratios With Electrospray Ionization Mass Spectrometry, Rebecca J. Chmiel

Honors Theses

Nitrogen (15N) isotope tracer studies are an invaluable tool for understanding the rate of N transformations in the environment. A mechanistic understanding of N cycling is critical to management of excess N availability in freshwater and marine ecosystems. Conventional methods for measuring 15N:14N of dissolved inorganic nitrogen species are time consuming and require large sample volumes. Here, we present a technique for measuring 15N:14N in ammonium (NH4+) using electrospray ionization mass spectrometry (ESI-MS). NH4+ present in small volumes of sample (3 ml) is complexed with phenol via …

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An Alternative Approach To Training Sequence-To-Sequence Model For Machine Translation, Vivek Sah Jan 2017

An Alternative Approach To Training Sequence-To-Sequence Model For Machine Translation, Vivek Sah

Honors Theses

Machine translation is a widely researched topic in the field of Natural Language Processing and most recently, neural network models have been shown to be very effective at this task. The model, called sequence-to-sequence model, learns to map an input sequence in one language to a vector of fixed dimensionality and then map that vector to an output sequence in another language without any human intervention provided that there is enough training data. Focusing on English-French translation, in this paper, I present a way to simplify the learning process by replacing English input sentences by word-by-word translation of those sentences. …

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Social Class Identity Development And Elite Schools, Sarah Peck Jan 2017

Social Class Identity Development And Elite Schools, Sarah Peck

Honors Theses

This project explores the ways in which students’ identities are shaped and created at an elite school in a large metropolitan city in Chile, called Croft School. The project focuses on the ways in which privilege is reproduced at this elite institution and how the school inadvertently and purposefully teaches its students lessons about social class. In order to examine these lessons, interviews with students, alumni, teachers, and administrators as well as a site visit to Croft’s campus were conducted. These methods were used to analyze the students’ understandings of themselves and the ways that the school attempted to shape …

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Small Town, Big Future: Preparing Rural Maine Students For College, Elizabeth C. Huber Jan 2017

Small Town, Big Future: Preparing Rural Maine Students For College, Elizabeth C. Huber

Honors Theses

While the need for a college degree has increased in the knowledge economy era, acquisition of this degree has remained difficult for low-income and first-generation students. At the same time, college preparatory programs designed for this demographic of student tend to be clustered in urban centers while very little focus is given to disadvantaged students in rural communities. The academic prospects of rural students in regards to higher education are the focus of this project. More specifically, this project explores the ways in which college-cultured programs may address the educational needs of students living in rural communities. By doing in-depth …

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Trump, Twitter And The Death Of The American Political Party: A Discussion Of The Fate Of The American Party System Before, During, And After The Presidential Election Of 2016, Madeleine Neider Jan 2017

Trump, Twitter And The Death Of The American Political Party: A Discussion Of The Fate Of The American Party System Before, During, And After The Presidential Election Of 2016, Madeleine Neider

Honors Theses

Abstract: This paper seeks to address the essential question: what happened during the presidential election of 2016 and what does this mean for the American party system? Using qualitative and quantitative analysis, this research suggests that the 2016 election is evidence that domineering policy demanders, such as the Tea Party Movement and Occupy Wall Street, and domineering politicians, such as Donald Trump and Bernie Sanders, used the democratized media to force a top-down realignment of the American party system. A top-down realignment is characterized by the demise of the prominent American political party­– an institution fundamental to our political process. …

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Vein Patterning During Juvenile Wing Development In Oncopeltus Fasciatus And Jadera Haematoloma, William R. Simmons Jan 2017

Vein Patterning During Juvenile Wing Development In Oncopeltus Fasciatus And Jadera Haematoloma, William R. Simmons

Honors Theses

Wings are a defining characteristic of all pterygote insects and are agreed to originate from a single common winged ancestor. However, essentially nothing is known about the molecular mechanisms that regulate wing development and patterning outside of Endopterygota, and the vast majority of this knowledge comes solely from Drosophila melanogaster. There is reason to suspect that the drastic developmental differences that exist between Endopterygota and Exopterygota have resulted in changes in the mechanisms, timings, or even genes that govern wing development. This study examined the roles of several genes known to be involved in D. melanogaster wing development and patterning …

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Failure Or Adjustment?: An Analysis Of The Slowing Growth Of The Chinese Economy, Kay G. Degraw Jan 2017

Failure Or Adjustment?: An Analysis Of The Slowing Growth Of The Chinese Economy, Kay G. Degraw

Honors Theses

With GDP growth for the 2016 fiscal year reported at 6.7%, it appears that the Chinese economy has departed from the three-decade period in which GDP growth averaged plus-10%. While both academic journals and media outlets have accredited this slowdown to a variety of factors, existing research has failed to conflate the economic and political factors into a comprehensive explanation. Consequently, this thesis examines the causative factors behind the slowing of the Chinese economy though the analysis of three contesting plausibility probes centered on the impact of corruption, statism, and structural economic change. The results of the plausibility probes indicates …

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Protein Kinase Activity Toward Taabf1 In Imbibing Grains, Taylor P. Enrico Jan 2017

Protein Kinase Activity Toward Taabf1 In Imbibing Grains, Taylor P. Enrico

Honors Theses

The hormones gibberellin and abscisic acid are essential for plant responses to changing environmental conditions, and can send opposing signals. In wheat, the transcription factor TaABF1 plays an important role at the intersection of a gibberellin-induced/abscisic acid-suppressed pathway. When gibberellin dominates, the GA-induced gene, Amy32b, is transcribed. When abscisic acid is dominant, TaABF1 is active and it downregulates GA-induction of Amy32b, while promoting ABA-induced transcription of the gene HVA1. The activity of TaABF1 is thought to be regulated by post-translational phosphorylation at key serine residues. In this study, to determine TaABF1 phosphorylation by wheat kinases, we purified recombinant …

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Constructing (Hu)Man Nature: A Feminist Critique Of Western Ir Theory, Liberal Economics And U.S. Foreign Policy, Nadia Stovicek Jan 2017

Constructing (Hu)Man Nature: A Feminist Critique Of Western Ir Theory, Liberal Economics And U.S. Foreign Policy, Nadia Stovicek

Honors Theses

Feminism in general exposes the fundamental folly of Western political theorists’ view of human nature, which is based on Western, decently well-off, white men’s experiences and privilege. This view of human nature, which is not human nature at all, but rather a socially constructed definition of what men’s human nature is, is replicated in neoclassical economics and perpetuated in mainstream Western International Relations theory. Understanding the social construction of norms exposes how what is conceived in conventional theory as human nature and state behavior is unnecessarily limiting. The U.S. is the greatest benefactor from the worldview of Western political theorists, …

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Visions For Waterville's Future: Perceptions Of Its Residents, Alex Wolansky Jan 2017

Visions For Waterville's Future: Perceptions Of Its Residents, Alex Wolansky

Honors Theses

Mills and factories in the United States have steadily been closing down as industry is outsourced in the globalized economy. Cities that were once prosperous face decay and often have no hopeful future outlook. Post-industrial towns face major unemployment and poverty and are not typically places for re-investment. But Rust Belt cities like Baltimore, Buffalo, Pittsburgh, Cleveland, Cincinnati, Detroit, Milwaukee and St. Louis are not the only post- industrial hubs that are struggling. Many small towns in rural areas once thrived from manufacturing and are becoming forgotten. Local governments, policy makers, urban planners, developers and scholars are working to figure …

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“La Política Del Avestruz”: The Regulation Of The Black Market For Medical Abortion In Chile, Sophia M. Bartels Jan 2017

“La Política Del Avestruz”: The Regulation Of The Black Market For Medical Abortion In Chile, Sophia M. Bartels

Honors Theses

This thesis seeks to answer the overarching question of how the black market for medical abortion is regulated in Chile. In answering this question, this thesis responds to the two sub questions: why is the Chilean government ineffective at regulating the black market for medical abortion in Chile, and how have non-governmental actors filled this vacuum through informal regulation? Although the Chilean government has one of the highest levels of state capacity in Latin America, it has surprisingly allowed this black market to exist in almost complete impunity. In this thesis, I argue that although the Chilean government has the …

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Cicig In Guatemala: The Institutionalization Of An Anti-Corruption Body, Greg M. Morano Jan 2017

Cicig In Guatemala: The Institutionalization Of An Anti-Corruption Body, Greg M. Morano

Honors Theses

When is the institutionalization of anti-corruption bodies possible in Latin America? Central America’s Cold War era internal conflicts destabilized the Northern Triangle’s governments and greatly weakened judicial institutions. The legacy of these conflicts led to the creation of parallel corrupt networks that infiltrated state institutions and perpetuated impunity and violence. However, in Guatemala, the institutionalization of the International Commission Against Impunity in Guatemala (Comisión Internacional Contra la Impunidad en Guatemala, CICIG) has improved the country’s ability to prosecute high-level corruption against the threat of powerful and corrupt state actors. A comparative analysis of the tenures of CICIG’s three commissioners reveals …

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It’S Not You, It’S— Hookup Culture And Sexual Subjectivity, Anne Vetter Jan 2017

It’S Not You, It’S— Hookup Culture And Sexual Subjectivity, Anne Vetter

Honors Theses

A semi-fictionalized ethnography that interrogates how students at Colby College use hookup culture as a way to make sense of themselves and others. This thesis is about systems, about social power and norms, and the very real ways that they are experienced in and enacted by the bodies of individual students. In other words, this thesis is a naming of what many students on this campus already know without words, a linking of story to story to story, a marking of patterns that underlie the forms of sexual subjectivity driving participation in hookup culture. Ultimately, by making visible the systems …

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The Anonymous Truth: Honesty And Hostility In Public And Private Online Settings, Grace S. Carroll Jan 2017

The Anonymous Truth: Honesty And Hostility In Public And Private Online Settings, Grace S. Carroll

Honors Theses

Three studies were conducted to understand the relationship between honesty and hostility in public and private online settings. Study one analyzed a college’s public and private online forums and examined post frequency. Related to study one, study two examined the usage of these forums, and current and past social and political issues. Study one found the public forum comprised of general announcements, while the private forum hosted random jokes/statements, negative posts targeting specific people, and personal reflections. Study two’s results indicated the private forum was used more often than the public forum and race was the prevailing social and political …

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Normal Surfaces And 3-Manifold Algorithms, Josh D. Hews Jan 2017

Normal Surfaces And 3-Manifold Algorithms, Josh D. Hews

Honors Theses

This survey will develop the theory of normal surfaces as they apply to the S3 recognition algorithm. Sections 2 and 3 provide necessary background on manifold theory. Section 4 presents the theory of normal surfaces in triangulations of 3-manifolds. Section 6 discusses issues related to implementing algorithms based on normal surfaces, as well as an overview of the Regina, a program that implements many 3-manifold algorithms. Finally section 7 presents the proof of the 3-sphere recognition algorithm and discusses how Regina implements the algorithm.

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Crops And Controversy: Industry’S Role In The Gmo Debate, Carina Wallack Jan 2017

Crops And Controversy: Industry’S Role In The Gmo Debate, Carina Wallack

Honors Theses

The use of genetically modified crops (also called GM crops, genetically modified organisms, or GMOs for short) has become a highly contested issue. New genetic modification technologies offer a variety of advantages for improving agricultural efficiency. However, some scientists argue that the safety testing conducted thus far does not provide enough information and worry about possible health and ecological risks. Private industry sponsors a great deal of research on genetically modified crops. As the international controversy regarding the use of GMOs has unfolded, the very companies responsible for commercializing genetically modified crops have gained substantial influence in the resulting scientific …

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Tying The Knot: Applications Of Topology To Chemistry, Tarini S. Hardikar Jan 2017

Tying The Knot: Applications Of Topology To Chemistry, Tarini S. Hardikar

Honors Theses

Chirality (or handedness) is the property that a structure is “different” from its mirror image. Topology can be used to provide a rigorous framework for the notion of chirality. This project examines various types of chirality and discusses tools to detect chirality in graphs and knots. Notable theorems that are discussed in this work include ones that identify chirality using properties of link polynomials (HOMFLY polynomials), rigid vertex graphs, and knot linking numbers. Various other issues of chirality are explored, and some specially unique structures are discussed. This paper is borne out of reading Dr. Erica Flapan’s book, When Topology …

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America's National Parks And The Anthropocene: Addressing The Present To Accommodate The Future In Acadia National Park, Sophie A. Swetz Jan 2017

America's National Parks And The Anthropocene: Addressing The Present To Accommodate The Future In Acadia National Park, Sophie A. Swetz

Honors Theses

In 2000, atmospheric chemist, Paul J. Crutzen, and limnologist, Eugene Stoermer, formally proposed the idea of “the Anthropocene,” a new geologic epoch in which humans are the dominant force shaping the Earth. To claim the Anthropocene's existence is to declare that human actions have altered the Earth in such a way that geologic indicators render it a distinct epoch in the stratification of geologic time. This new epoch emerges as a consequence of increased technological development employed to accommodate an anthropocentric human existence. That is, rapid advancements in technology have driven the transformation from a primarily naturally controlled planet to …

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Franco, Pedro Y El Género, Kaleigh E. Hoffman Jan 2017

Franco, Pedro Y El Género, Kaleigh E. Hoffman

Honors Theses

El franquismo no dejaba de existir después de la muerte de Franco. Mientras las reglas de censura oficiales desaparecieron con el fin de la dictadura, sus rasgos permanecían, en términos de la vida social, además del cine. La influencia de Franco en el cine determinaba que los conceptos de la masculinidad y la feminidad no tenían espacio para interpretación. De hecho, durante la dictadura, el cine franquista reflejaba la rigidez de género y la falta de expresión. No había aprobación de cine que demostrara la homosexualidad, las personas transgénero ni la fluidez de género. De la represión, sin embargo, emergió …

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Some Examples Of The Interplay Between Algebra And Topology, Joseph D. Malionek Jan 2017

Some Examples Of The Interplay Between Algebra And Topology, Joseph D. Malionek

Honors Theses

This thesis presents several undergraduate and graduate level concepts in the fields of algebraic topology and topological group theory in a manner which requires very little mathematical background of the reader. It uses non-rigorous interpretations of concepts while introducing the reader to the rigorous ideas with which they are associated. In order to give the reader an idea of how the fields of algebra and topology are closely affiliated, the paper goes over five main concepts, the fundamental group, homology, cohomology, Eilenberg-Maclane spaces, and group dimension.

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Quantum Groups And Knot Invariants, Greg A. Hamilton Jan 2017

Quantum Groups And Knot Invariants, Greg A. Hamilton

Honors Theses

Knot theory arguably holds claim to the title of the mathematical discipline with the most unusually diverse applications. A knot can be defined topologically as an embedding of S1 in R3. Naturally, two knots are topologically equivalent if one cannot be smoothly deformed into the other. The question of whether two knots are equivalent is highly non-trivial, and so the question of knot invariants used to distinguish knots has occupied knot theorists for over a century. Knot theory has found application in statistical mechanics [1], symbolic logic and set theory [2], quantum fi theory [3], quantum computing [4], etc. …

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Aging Is In The Eye Of The Beholder: Eye-Tracking And Person-Perception Analyses Of Young And Old Faces, Stephanie M. Ha Jan 2017

Aging Is In The Eye Of The Beholder: Eye-Tracking And Person-Perception Analyses Of Young And Old Faces, Stephanie M. Ha

Honors Theses

To examine possible mechanisms related to negative attitudes of aging revealed in face processing patterns, young and old participants rated their first impressions (positive or negative) of 100 faces of young and old individuals taken from the CAL/PAL Fate Database (Minear & Park, 2004) while gaze patterns were recorded using eye-tracking methods. In a follow-up study, an independent sample of young participants rated the same 100 faces on competence, attractiveness, and subjective age in order to further assess age-related stereotypes. This study replicated the T-gaze pattern in previous eye-tracking studies (Firestone, Turk, Browne, & Ryan 2007). We also found evidence …

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