Biological and Physical Anthropology Commons^™

The Impacts Of Environment And Host Evolutionary Relationships On Lemur Microbiota, Rachel B. Burten

Doctoral Dissertations

Recent studies have shown that the mammal microbiome is modified by environmental conditions, and that reduced microbiome functionality is associated with host health issues. Microbiome data in wild and captive primate populations can therefore be used to assess their health as they encounter a variety of environments. Comparative studies of the microbiome can also inform disease ecology, conservation, and captive management strategies tailored to different primate species. Therefore, this study examines how the hair, oral, and gut microbiota of nine wild and captive lemur species are determined by host phylogenetic relationships and host environment. I found that host species identity …

Prevalence Of Drifting Osteons Distinguishes Human Bone, Katherine M. French, Sophia R. Mavroudas, Victoria M. Dominguez

Publications and Research

The histological, or microscopic, appearance of bone tissue has long been studied to identify species-specific traits. There are several known histological characteristics to discriminate animal bone from human, but currently no histological characteristic that has been consistently identified in human bone exclusive to other mammals. The drifting osteon is a rare morphotype found in human long bones and observationally is typically absent from common mammalian domesticates. We surveyed previously prepared undecalcified histological sections from 25 species (human n = 221; nonhuman primate n = 24; nonprimate n = 169) to see if 1) drifting osteons were indeed more common in …

Stable Carbon And Nitrogen Isotope Analysis Of Infant Feeding Practices And Stress In 18th-19th Century Pointe-Aux-Trembles, Québec, Sydney Holland

Electronic Thesis and Dissertation Repository

This thesis is a bioarchaeological study of infant feeding practices and early life stress in 18th -19th century Pointe-aux-Trembles, a rural community near Montréal, Québec that was known to practice wet nursing. Stable carbon and nitrogen isotope analyses of 62 incremental dentine samples were used to reconstruct the feeding histories of 10 infants (age) interred between 1709-1843. At least 6 of 10 infants display evidence of breastfeeding, with weaning foods (e.g., porridge, bread) typically introduced between ~1.5-5.5 months of age and weaning completion around 10.5-13.5 months. Isotopic and/or dental evidence of stress (e.g., enamel hypoplasia) was identified in 8 of …

Recovering Ancient Dna Using The Polymerase Chain Reaction, Rose Jennings

Undergraduate Research Symposium

Investigations into aDNA offer a window into the past that modern DNA and paleontological studies alone cannot provide and help address the evolution and connections between hominids, domestication timelines, the analysis of populations over time, and general diversity. Progress in aDNA research has been inherently technology-driven, with modern molecular biology methods, such as the inventions of Polymerase Chain Reaction (PCR) and Next Generation Sequencing (NGS), substantially increasing the analysis possibilities of aDNA. My research this semester has taken me along two parallel paths of investigation: literary research into aDNA and practical exposure to the laboratory techniques used in its analysis. …

Sasquatch Sunset, Dereck Daschke

Journal of Religion & Film

This is a film review of Sasquatch Sunset (2024), directed by David Zellner and Nathan Zellner.

“Sounds Like” Redemption? On The Musicality Of Species And The Species Of Musicality, Tyler Yamin, Alice Rudge

Faculty Journal Articles

Popular and academic studies of music frequently claim that human musicality arose from the so-called ‘natural world’ of non-human species. And amid the anxieties produced by the Anthropocene, it is thought that the possibility of reconnecting with the natural world through a renewed appreciation of music’s links with nature may usher in a new era of posthuman environmental consciousness, offering repair and redemption. To critique these claims, we trace how notions of ‘musicality’ have been applied to or denied from non-human entities across diverse disciplines since the late nineteenth century. We conclude that such debates reinforce the separation that they …

The Effects Of Diet, Size, And Phylogeny On Primate Dental Proportions, Rudolph J. Wilkins

Graduate Theses and Dissertations

It is generally appreciated that there is a relationship between the relative size of the incisors, mandible length, and diet in primates. More specifically, the differences in relative incisor size among primate species are believed to be evolutionary adaptations to their use during food processing and acquisition. While this satisfactorily explains relatively large incisors, it fails to address the relatively small incisor size seen in many taxa. One hypothesis is that there is a trade-off between molar size and incisor size in species with relatively short mandibles. The following study uses two-way ANOVA to evaluate the possibility that spatial constraint …

Using Fiber-Optic Reflectance Spectroscopy (Fors) To Identify Human Decomposition Fluid Characteristics In Plant Leaves And Soil, Anielle Duncan

Masters Theses

Anthropologists may be asked by law enforcement or family members to assist in the search for missing deceased individuals. The search areas are often in harsh, rugged terrain for which some technologies, such as ground penetrating radar, cannot be used. Fiber-optic reflectance spectroscopy (FORS) is a portable instrument that can collect information on plants and soil in the surrounding environment, even in austere environments. This study aimed to test whether FORS could be used to identify decomposition fluid in nearby plants and soil in the visible near-infrared (VNIR) and short-wave infrared (SWIR) spectral regions. Using FORS to analyze the spectral …

Sociocultural And Familial Factors Associated With Symptom Experience At Midlife Among Women In Nagaland, India, Peteneinuo Rulu

Doctoral Dissertations

This cross-sectional study examines the sociocultural and familial factors that are associated with symptom experience at midlife among women in Nagaland. More specifically, the study examines the factors associated with symptoms at midlife, the relationship between symptoms at midlife, household stressors, ethnopolitical problems, and various measures of stress, and the buffering effects of social support against the negative effects of stress on symptoms at midlife. Data from 151 women aged 40-55 were collected from 4 regions in Nagaland, India. The most common symptoms reported during the past two weeks were headaches (72%), tiredness or lack of energy (67.5%), and hot …

Contact With Caregivers Is Associated With Composition Of The Infant Gastrointestinal Microbiome In The First 6 Months Of Life, Kyle S. Wiley, Andrew M. Gregg, Molly M. Fox, Venu Lagishetty, Curt A. Sandman, Jonathan P. Jacobs, Laura M. Glynn

Psychology Faculty Articles and Research

Objectives

Little is known about how physical contact at birth and early caregiving environments influence the colonization of the infant gastrointestinal microbiome. We investigated how infant contact with caregivers at birth and within the first 2 weeks of life relates to the composition of the gastrointestinal microbiome in a sample of U.S. infants (n = 60).

Methods

Skin-to-skin and physical contact with caregivers at birth and early caregiving environments were surveyed at 2 weeks postpartum. Stool samples were collected from infants at 2 weeks, 2, 6, and 12 months of age and underwent 16S rRNA sequencing as a proxy …

Avian Scavenging In The Forensic Context, Austin Millwood

Senior Theses

Many cultures have recognized the importance of birds in scavenging. However, within forensic literature and research, avian scavenging is an understudied phenomenon. Despite this, researchers have shown that scavenging by birds is unique from other types of scavenging in that birds can rapidly cause complete skeletonization, leave relatively little bone damage, and can spread remains and artifacts over a large area. Here birds known to scavenge are explained in a biological context and then their effects on remains are analyzed. Birds are capable of completely scavenging human remains in as little as 5 hours, depending on many understudied factors. Avian …

Restorative Survey Of A Human Osteological Teaching Collection: Mitigating Objectification And Structural Violence After Death, Helene Simon, Mekenzie Davis

The Cardinal Edge

Interdisciplinary discussions considering the impacts of dubious acquisition and management of human skeletal collections have identified these assemblages as venues for perpetuating structural violence after death. Lack of provenance across many large and small “legacy” skeletal collections prevents clear solutions for treatment of individuals who cannot be clearly associated with descendant communities or identified as donors. A critical examination of our department’s collection and classroom presentation practices as they pertain to the individuals in the Human Osteological Teaching Collection (HOTC) serves to mitigate this violence and restore a degree of personhood to the individuals who contribute to generations of education. …

Resolving Commingling, Restoring Identity: An Interdisciplinary Collaboration And Ethical Study Of Individuals From A Human Skeletal Teaching Collection, Morgann L. Lucas, Morgan J. Elmore, Christine Chen, Carolann Cockerill, Mekenzie Davis, Vivian N. Pham, Matthew Kolmann, Linda Fuselier, Kathryn E. Marklein

The Cardinal Edge

In Fall 2022, human skeletal remains were discovered in the Department of Biology’s Comparative Vertebrate Anatomy Laboratory. No documentation about the acquisition or curation history was found. With no current protocols for repatriating individuals in university skeletal teaching collections, an interdisciplinary research team analyzed the skeletal remains to resolve to commingle and identify the people. Using standardized methods in forensic anthropology, we estimated the minimum number of individuals represented through taphonomic, demographic, paleopathological, and morphological variables and variation. Results indicated, minimally, 36 to 56 individuals represented by 250 bones. Of these individuals, 12 were estimated as probable female, 16 as …

Head Shapes And Toothaches: A Study Of Cranial Modification And Dental Pathology At Muna, A Late Pre-Hispanic Cemetery From The Archaeological Sanctuary Of Pachacamac (Lima, Perú)., T Naomi Nakahodo Moromizato

Electronic Thesis and Dissertation Repository

This thesis is a bioarchaeological analysis of cranial modification and dental pathology in a sample of human remains excavated from the pre-Hispanic MUNA cemetery. This cemetery was on the outskirts of the Archaeological Sanctuary of Pachacamac in the Lurín Valley. The cemetery was comprised of disturbed skeletal remains and relatively well preserved fardos funerarios (funerary bundles) from the Late Intermediate Period (1100-1470 CE) and early Late Horizon (1470-1532 CE). The results of this thesis show that the skeletal remains and fardos likely belonged to a single community, and the analyzed sample showed intra-site variation of the fronto-occipital cranial modification. The …

Shoe Modifications And Foot Health: A Case Study From Roman Britain, Casey Elizabeth Kay Boettinger

Electronic Thesis and Dissertation Repository

In this thesis, I undertake an examination of foot care practices in Antiquity. The majority of the discussion surrounding foot care comes from evidence of shoe modifications at Vindolanda, a Roman auxiliary fort located in northern Britain. I provide a general discussion about herbal and non-herbal remedies for foot conditions, as recorded by medical authors. This discussion precedes a case study of selected shoes from Vindolanda, where I write about five modification types that demonstrate the sort of knowledge that existed at Vindolanda. The findings from this thesis suggest that podiatric knowledge and foot care existed as early as the …

Apolipoprotein-Ε4 Is Associated With Higher Fecundity In A Natural Fertility Population, Benjamin Trumble, Mia Charifson, Tom Kraft, Angela R. Garcia, Daniel K. Cummings, Paul L. Hooper, Amanda J. Lea, Daniel Eid Rodriguez, Stephanie V. Koebele, Kenneth Buetow, Bret Beheim, Riana Minocher, Maguin Gutierrez, Gregory S. Thomas, Margaret Gatz, Jonathan Stieglitz, Caleb E. Finch, Hillard Kaplan, Michael Gurven

ESI Publications

In many populations, the apolipoprotein-ε4 (APOE-ε4) allele increases the risk for several chronic diseases of aging, including dementia and cardiovascular disease; despite these harmful effects at later ages, the APOE-ε4 allele remains prevalent. We assess the impact of APOE-ε4 on fertility and its proximate determinants (age at first reproduction, interbirth interval) among the Tsimane, a natural fertility population of forager-horticulturalists. Among 795 women aged 13 to 90 (20% APOE-ε4 carriers), those with at least one APOE-ε4 allele had 0.3 to 0.5 more children than (ε3/ε3) …

Understanding The Environmental And Genetic Influence On Fluctuating Asymmetry And Developmental Instability In Primates, Ashly N. Romero

Graduate Theses and Dissertations

This dissertation explored the impact of environmental factors on the development and perpetuation of fluctuating asymmetry (FA) and sought to understand the role evolution may play in the FA exhibited in two primate populations: the free-ranging Cayo Santiago rhesus macaques (Macaca mulatta) and the Southwest National Primate Research Center olive baboons (Papio hamadryas anubis). Demographic, ontogenetic, secular, external, and genetic factors were examined. Specifically, this dissertation investigated FA over all ontogenetic stages, across decades, between sexes, in association with ecological catastrophes, and with tooth pathology to try and tease apart factors that may influence FA and developmental instability. This dissertation …

Cultural Behaviors And Their Influence On The Proximal Femur: Comparisons Of Postural Behavior, Occupation, And Subsistence-Settlement Between A Pre-Contact And Historic Sample, Joanna Klein

Master's Theses

Little is known archaeologically about the Late Woodland Schroeder Mounds mortuary group from west-central Illinois. As such, bioarchaeological data is at the forefront of archaeological problem-solving for not only the site, but the geographical area as well. Skeletal data such as proximal femur angles and activity markers contribute to the understanding of subsistence-settlement trends and postural behavior of the mortuary complex. Femoral neck version is associated with postural behaviors such as squatting and kneeling. The neck-shaft angle is linked to mobility and settlement patterns. Bicondylar angle was explored to see if behaviors had any affect. Allen’s fossa and Poirier’s facet …

Energetic Costs Of Testosterone In Two Subsistence Populations, Benjamin C. Trumble, Herman Pontzer, Jonathan Stieglitz, Daniel K. Cummings, Brian Wood, Melissa Emery Thompson, David Raichlen, Bret Beheim, Gandhi Yetish, Hillard Kaplan, Michael Gurven

ESI Publications

Objective

Testosterone plays a role in mediating energetic trade-offs between growth, maintenance, and reproduction. Investments in a high testosterone phenotype trade-off against other functions, particularly survival-enhancing immune function and cellular repair; thus only individuals in good condition can maintain both a high testosterone phenotype and somatic maintenance. While these effects are observed in experimental manipulations, they are difficult to demonstrate in free-living animals, particularly in humans. We hypothesize that individuals with higher testosterone will have higher energetic expenditures than those with lower testosterone.

Methods

Total energetic expenditure (TEE) was quantified using doubly labeled water in n = 40 Tsimane forager-horticulturalists …

Social Tolerance, Cooperation, And Constraint Shape Differentiated Social Relationships In Female Chimpanzees, Stephanie Fox

Anthropology ETDs

In this dissertation, I investigate variables that promote and constrain female-female social relationships in chimpanzees, a species where females disperse at sexual maturity, reside primarily among non-kin as adults, and where fission fusion social structure can reveal how female social behavior responds to different social contexts. I conducted my research using a combination of detailed behavioural data that I collected during a one-year field season (2019-2020) and long-term data (2010-2019) collected by the Kibale Chimpanzee Project. I show that female chimpanzees form stable, differentiated social relationships, which reflect active preferences and variation in social tolerance (Chapter 2); females leverage these …

A Review Of Theropithecus Oswaldi With The Proposal Of A New Subspecies, Dagmawit Abebe Getahun, Eric Delson, Chalachew Mesfin Seyoum

Publications and Research

Theropithecus oswaldi darti, as currently understood, is the oldest Theropithecus taxon in the fossil record and the earliest subspecies in the Theropithecus oswaldi lineage. Theropithecus oswaldi darti is typified at the site of Makapansgat in South Africa, and a similar form (T. o. cf. darti) is usually recognized at Hadar, Dikika, some Middle Awash localities, and Woranso-Mille in Ethiopia. This taxon is also tentatively believed to occur in Kenya at Kanam and Koobi Fora and in Member C of the Shungura Formation in Ethiopia. While there is a general consensus that the East African ‘darti’ specimens are …

Reproductive Inequality In Humans And Other Mammals, Cody T. Ross, Paul L. Hooper, Jennifer E. Smith, Adrian V. Jaeggi, Eric Alden Smith, Sergey Gavrilets, Fatema Tuz Zohora, John Ziker, Dimitris Xygalatas, Emily E. Wroblewski, Brian Wood, Bruce Winterhalder, Kai P. Willführ, Aiyana K. Willard, Kara Walker, Christopher Von Rueden, Eckart Voland, Claudia Valeggia, Bapu Vaitla, Samuel Urlacher, Mary Towner, Chun-Yi Sum, Lawrence S. Sugiyama, Karen B. Strier, Kathrine Starkweather, Daniel Major-Smith, Mary Shenk, Rebecca Sear, Edmond Seabright, Ryan Schacht, Brooke Scelza, Shane Scaggs, Jonathan Salerno, Caissa Revilla-Minaya, Daniel Redhead, Anne Pusey, Benjamin Grant Purzycki, Eleanor A. Power, Anne Pisor, Jenni Pettay, Susan Perry, Abigail E. Page, Luis Pacheco-Cobos, Kathryn Oths, Seung-Yun Oh, David Nolin, Daniel Nettle, Cristina Moya, Andrea Bamberg Migliano, Karl J. Mertens, Rita A. Mcnamara, Richard Mcelreath, Siobhan Mattison, Eric Massengill, Frank Marlowe, Felicia Madimenos, Shane Macfarlan, Virpi Lummaa, Roberto Lizarralde, Ruizhe Liu, Melissa A. Liebert, Sheina Lew-Levy, Paul Leslie, Joseph Lanning, Karen Kramer, Jeremy Koster, Hillard S. Kaplan, Bayarsaikhan Jamsranjav, A. Magdalena Hurttado, Kim Hill, Barry Hewlett, Samili Helle, Thomas Headland, Janet Headland, Michael Gurven, Gianluca Grimalda, Russell Greaves, Christopher D. Golden, Irene Godoy, Mhairi Gibson, Claire El Mouden, Mark Dyble, Patricia Draper, Sean Downey, Angelina L. Demarco, Helen Elizabeth Davis, Stefani Crabtree, Carmen Cortez, Heidi Colleran, Emma Cohen, Gregory Clark, Julia Clark, Mark A. Caudell, Chelsea E. Carminito, John Bunce, Adam Boyette, Samuel Bowles, Tami Blumenfield, Bret Beheim, Stephen Beckerman, Quentin Atkinson, Coren Apicella, Nurul Alam, Monique Borgerhoff Mulder

ESI Publications

To address claims of human exceptionalism, we determine where humans fit within the greater mammalian distribution of reproductive inequality. We show that humans exhibit lower reproductive skew (i.e., inequality in the number of surviving offspring) among males and smaller sex differences in reproductive skew than most other mammals, while nevertheless falling within the mammalian range. Additionally, female reproductive skew is higher in polygynous human populations than in polygynous nonhumans mammals on average. This patterning of skew can be attributed in part to the prevalence of monogamy in humans compared to the predominance of polygyny in nonhuman mammals, to the limited …

Estimating The Minimum Number Of Individuals (Mni) For Skeletal Collections With Consideration To The Introduction Of Procurement Bias, M. Elizabeth Dyess, T. Heil

2023 Symposium

Of the competing methods for the estimation of the number of individuals represented within a skeletal assemblage, variations of the calculation of MNI (Minimum Number of Individuals) are most often employed. This presentation provides the preliminary results of an exhaustive study designed to determine the minimum number of individuals represented within a collection of 1,065 skeletal elements and fragments, belonging to the Eastern Washington University Anthropology Program. Results produced by established methods of computation were reinterpreted to account for the introduction of Procurement Bias in the calculation of MNI.

Nebraska’S Medico-Legal System: A Death Investigation Analysis, Ashley Novak

Honors Theses

A large part of the founding of the United States of America focused on the idea of state control over their internal affairs. For this reason, the United States is home to a largely decentralized medico-legal system. The State of Nebraska hosts a coroner-based death investigation system as is written into their legislation regarding the establishment of their medico-legal system. By studying legislation, federal and state reports, as well as publications by academics within the field, merits and weaknesses of the Nebraskan coroner system can be uncovered. Additional considerations and understandings that are needed to be understood include: understanding what …

An Investigation Into Peak Limb Compliance In College Sprinters, Lilian Sahibdeen

Anthropology

During running, the limb acts as a mechanical spring where it compresses and recoils to release elastic potential energy with each ground contact. Maintaining maximal running speed is particularly important during sprinting. Individuals with stiffer limb springs are more efficient because of this. Limb stiffness can be calculated using Hooke’s law (k=F/ ΔL), where k is the spring constant, F is the peak ground reaction force, and ΔL is the change in hip height between the initiation of limb contact and the middle stance phase. Many factors contribute to limb stiffness and this study examines how stiffness variers with contact …

Gendered Bodies, Engendered Lives: Bioarchaeological Exploration Of The Intersectionality Of Gender, Health, And Trauma At Turkey Creek Pueblo, Arizona (Ad 1225-1286), Claira Elizabeth Ralston

UNLV Theses, Dissertations, Professional Papers, and Capstones

This dissertation examines the relationships between sex, gender, and health at Turkey Creek Pueblo (AD 1225-1286), the earliest aggregated Pueblo community in the Point of Pines region of east central Arizona, to better understand their roles in producing differential health outcomes. To gain a view of these interactions, I use osteological, mortuary, and ethnohistoric data to explore how gender, as a social institution, informed divisions of labor and experiences with traumatic injury at Turkey Creek Pueblo, because this site was occupied during a socially dynamic and important period in the pre-contact American Southwest. Using these data, I explore how sex, …

A Handy Study Of Secular Change In Metacarpals Using The Terry Collection And Utk Donated Skeletal Collection, Helen E. Martin

Masters Theses

Hand morphology reflects an individual’s physical interaction with the world around them. Technological innovation, improved nutrition and health, changes levels of physical activity, and other environmental factors provoke secular change in skeletal morphology. This study elaborates on previous secular change research that has documented the narrowing of the American skeletal form in recent American history, and it contributes new information to this field by focusing on metacarpals. By utilizing a dataset comprising individuals from the Robert J. Terry Collection (N=213) and adults from the UTK Donated Skeletal Collection (N=180), this study examines metacarpal morphology for secular change over a 170-year …

Dental Microwear Of Miocene Primates From The Turkana Basin Of Northern Kenya, Leah K. Myerholtz

Graduate Theses and Dissertations

Comprehending the dietary patterns of Turkana Basin primates from the late Paleogene and early Neogene can contextualize the role of food choice in the evolution of higher primates in Africa. Dental Microwear Texture Analysis (DMTA) quantifies wear on the enamel of a tooth and can be used as a proxy to infer aspects of a taxon’s diet in the past. DMTA can provide insight into what specific animals in the past ate, rather than what they were capable of eating, and by extension, reflect food availability related to habitat preferences or environmental fluctuation. Here, primates from six Oligocene through Pliocene …

Monitoring Welfare In Captive Chimpanzees (Pan Troglodytes) Using Individual Positional Behavior And Substrate Use Profiles, Joseph Lara

Theses and Dissertations

The welfare of captive chimpanzees partly depends on the structural features present in their enclosure. An individual’s manner of expressing positional behaviors depends on these environmental characteristics and may be reflective of their physical and mental health. This thesis seeks to further the scientific understanding of the relationships between positional behavior, substrate use and captive chimpanzee welfare. In pursuit of this goal, I designed and installed a novel vertical climbing aid onto a climbable platform structure within an enclosure at the chimpanzee sanctuary, Chimp Haven, in an effort to encourage mobility and vertical space use in the enclosure’s residents. Additionally, …

The Scaling Method: Body Mass Reconstruction Of East African Hominins, Julianna Rose

Anthropology Undergraduate Honors Theses

This thesis details a series of novel methods developed to estimate body masses of hominin fossils using 3-D point cloud registration software. All analyses were conducted through 3-D modeling software that supported the remote study of five fossil femora from East Africa. The fossil computer models were repeatedly aligned with anatomically modern human femora to determine their scaling relationship with the objective of using the scaling factor of the human references to estimate the body mass of the fossils, on the basis of the femoral head breadth. Body mass estimates obtained through this technique were compared to estimates using more …