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Social and Behavioral Sciences Commons™
Open Access. Powered by Scholars. Published by Universities.®
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Articles 1 - 30 of 34
Full-Text Articles in Social and Behavioral Sciences
Who Needs Data? I’Ve Got Experience!, Dawnie Wolfe Steadman
Who Needs Data? I’Ve Got Experience!, Dawnie Wolfe Steadman
Human Biology Open Access Pre-Prints
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New Approaches To Juvenile Age Estimation In Forensics: Application Of Transition Analysis Via The Shackelford Et Al. Method To A Diverse Modern Subadult Sample, Kelly R. Kamnikar, Nicholas P. Herrmann, Amber M. Plemons
New Approaches To Juvenile Age Estimation In Forensics: Application Of Transition Analysis Via The Shackelford Et Al. Method To A Diverse Modern Subadult Sample, Kelly R. Kamnikar, Nicholas P. Herrmann, Amber M. Plemons
Human Biology Open Access Pre-Prints
Dental development is one of the most widely utilized and accurate methods available for estimating age in subadult skeletal remains. The timing of tooth growth and development is regulated by genetics and less affected by external factors, allowing reliable estimates of chronological age. Traditional methodology focuses on comparing tooth developmental scores to corresponding age charts. Using the Moorrees, Fanning, and Hunt (MFH) developmental scores, Shackelford and colleagues embed the dental development method in a statistical framework based on transition analysis. They generated numerical parameters underlining each “stage” and age-at-death distribution and applied them to fossil hominins and Neanderthals with limited …
Thinking Computationally About Forensics: Anthropological Perspectives On Advancements In Technologies, Data, And Algorithms, Bridget F.B. Algee-Hewitt, Jieun Kim, Cris E. Hughes
Thinking Computationally About Forensics: Anthropological Perspectives On Advancements In Technologies, Data, And Algorithms, Bridget F.B. Algee-Hewitt, Jieun Kim, Cris E. Hughes
Human Biology Open Access Pre-Prints
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Odontogenic Abscesses In Rhesus Macaques (Macaca Mulatta) Of Cayo Santiago, Hong Li, Wenjing Luo, Anna Feng, Michelle L. Tang, Terry B. Kensler, Elizabeth Maldonado, Octavio A. Gonzalez, Matthew J. Kessler, Paul C. Dechow, Jeffrey L. Ebersole, Qian Wang
Odontogenic Abscesses In Rhesus Macaques (Macaca Mulatta) Of Cayo Santiago, Hong Li, Wenjing Luo, Anna Feng, Michelle L. Tang, Terry B. Kensler, Elizabeth Maldonado, Octavio A. Gonzalez, Matthew J. Kessler, Paul C. Dechow, Jeffrey L. Ebersole, Qian Wang
Center for Oral Health Research Faculty Publications
Objectives
Odontogenic abscesses are one of the most common dental diseases causing maxillofacial skeletal lesions. They affect the individual's ability to maintain the dental structures necessary to obtain adequate nutrition for survival and reproduction. In this study, the prevalence and pattern of odontogenic abscesses in relation to age, sex, matriline, and living periods were investigated in adult rhesus macaque skeletons of the free-ranging colony on Cayo Santiago, Puerto Rico.
Materials and Methods
The skulls used for this study were from the skeletons of 752 adult rhesus macaques, aged 8–31 years, and born between 1951 and 2000. They came from 66 …
Variation Among Populations In The Immune Protein Composition Of Mother's Milk Reflects Subsistence Pattern, Laura D. Klein, Jincui Huang, Elizabeth A. Quinn, Melanie A. Martin, Alicia A. Breakey, Michael Gurven, Hillard Kaplan, Claudia Valeggia, Grazyna Jasienska, Brooke Scelza, Carlito B. Lebrilla, Katie Hinde
Variation Among Populations In The Immune Protein Composition Of Mother's Milk Reflects Subsistence Pattern, Laura D. Klein, Jincui Huang, Elizabeth A. Quinn, Melanie A. Martin, Alicia A. Breakey, Michael Gurven, Hillard Kaplan, Claudia Valeggia, Grazyna Jasienska, Brooke Scelza, Carlito B. Lebrilla, Katie Hinde
ESI Publications
Lay Summary: Adaptive immune proteins in mothers’ milk are more variable than innate immune proteins across populations and subsistence strategies. These results suggest that the immune defenses in milk are shaped by a mother’s environment throughout her life.
Background and objectives: Mother’s milk contains immune proteins that play critical roles in protecting the infant from infection and priming the infant’s developing immune system during early life. The composition of these molecules in milk, particularly the acquired immune proteins, is thought to reflect a mother’s immunological exposures throughout her life. In this study, we examine the composition of innate …
Keep Calm And Carry On: Infant Carrying Practices And Motor Development, Mariah Clanton, Alyssa Crittenden
Keep Calm And Carry On: Infant Carrying Practices And Motor Development, Mariah Clanton, Alyssa Crittenden
AANAPISI Poster Presentations
Increasingly, infants in the post-industrialized west are being diagnosed with conditions such as plagiocephaly or torticollis – which are postural deformities that can be corrected with positioning behavior. While a handful of studies have cursorily explored infant carrying practices, here I provide the first comprehensive cross-cultural literature review that aims to make connections between infant transport style and the timing of infant development in the emergence of sitting, crawling, and walking .Such a synthesis is important, not only in terms of contributing to cross-cultural research, but also for parents in the cultural west to aid in the better understanding of …
Comparison Of Two Ancient Dna Extraction Protocols For Skeletal Remains From Tropical Environments, Maria A. Nieves-Colon, Andrew T. Ozga, William J. Pestle, Andrea Cucina, Vera Tiesler, Travis W. Stanton, Anne C. Stone
Comparison Of Two Ancient Dna Extraction Protocols For Skeletal Remains From Tropical Environments, Maria A. Nieves-Colon, Andrew T. Ozga, William J. Pestle, Andrea Cucina, Vera Tiesler, Travis W. Stanton, Anne C. Stone
Biology Faculty Articles
Objectives
The tropics harbor a large part of the world's biodiversity and have a long history of human habitation. However, paleogenomics research in these climates has been constrained so far by poor ancient DNA yields. Here we compare the performance of two DNA extraction methods on ancient samples of teeth and petrous portions excavated from tropical and semi‐tropical sites in Tanzania, Mexico, and Puerto Rico (N = 12).
Materials and Methods
All samples were extracted twice, built into double‐stranded sequencing libraries, and shotgun sequenced on the Illumina HiSeq 2500. The first extraction protocol, Method D, was previously designed for …
Marital Violence And Fertility In A Relatively Egalitarian High-Fertility Population, Jonathan Stieglitz, Benjamin C. Trumble, Hillard Kaplan, Michael Gurven
Marital Violence And Fertility In A Relatively Egalitarian High-Fertility Population, Jonathan Stieglitz, Benjamin C. Trumble, Hillard Kaplan, Michael Gurven
ESI Publications
Ultimate and proximate explanations of men’s physical intimate partner violence (IPV) against women have been proposed. An ultimate explanation posits that IPV is used to achieve a selfish fitness-relevant outcome, and predicts that IPV is associated with greater marital fertility. Proximate IPV explanations contain either complementary strategic components (for example, men’s desire for partner control), non-strategic components (for example, men’s self-regulatory failure), or both strategic and non-strategic components involving social learning. Consistent with an expectation from an ultimate IPV explanation, we find that IPV predicts greater marital fertility among Tsimané forager-horticulturalists of Bolivia (n = 133 marriages, 105 women). This …
Using Machine Learning To Classify Extant Apes And Interpret The Dental Morphology Of The Chimpanzee-Human Last Common Ancestor, Tesla A. Monson, David W. Armitage, Leslea J. Hlusko
Using Machine Learning To Classify Extant Apes And Interpret The Dental Morphology Of The Chimpanzee-Human Last Common Ancestor, Tesla A. Monson, David W. Armitage, Leslea J. Hlusko
Anthropology Faculty and Staff Publications
Machine learning is a formidable tool for pattern recognition in large datasets. We developed and expanded on these methods, applying machine learning pattern recognition to a problem in paleoanthropology and evolution. For decades, paleontologists have used the chimpanzee as a model for the chimpanzee-human last common ancestor (LCA) because they are our closest living primate relative. Using a large sample of extant and extinct primates, we tested the hypothesis that machine learning methods can accurately classify extant apes based on dental data. We then used this classification tool to observe the affinities between extant apes and Miocene hominoids. We assessed …
Correction To: 'Greater Wealth Inequality, Less Polygyny: Rethinking The Polygyny Threshold Model', Cody T. Ross, Monique Borgerhoff Mulder, Seung-Yun Oh, Samuel Bowles, Bret Beheim, John Bunce, Mark Caudell, Gregory Clark, Heidi Colleran, Carmen Cortez, Patricia Draper, Russell D. Greaves, Michael Gurven, Thomas Headland, Janet Headland, Kim Hill, Barry Hewlett, Hillard Kaplan, Jeremy Koster, Karen Kramer, Frank Marlowe, Richard Mcelereath, David Nolin, Marsha Quinlan, Robert Quinlan, Caissa Revilla-Minaya, Brooke Scelza, Ryan Schacht, Mary Shenk, Ray Uehara, Eckart Voland, Kai Willführ, Bruce Winterhalder, John Ziker, Christopher Von Rueden
Correction To: 'Greater Wealth Inequality, Less Polygyny: Rethinking The Polygyny Threshold Model', Cody T. Ross, Monique Borgerhoff Mulder, Seung-Yun Oh, Samuel Bowles, Bret Beheim, John Bunce, Mark Caudell, Gregory Clark, Heidi Colleran, Carmen Cortez, Patricia Draper, Russell D. Greaves, Michael Gurven, Thomas Headland, Janet Headland, Kim Hill, Barry Hewlett, Hillard Kaplan, Jeremy Koster, Karen Kramer, Frank Marlowe, Richard Mcelereath, David Nolin, Marsha Quinlan, Robert Quinlan, Caissa Revilla-Minaya, Brooke Scelza, Ryan Schacht, Mary Shenk, Ray Uehara, Eckart Voland, Kai Willführ, Bruce Winterhalder, John Ziker, Christopher Von Rueden
ESI Publications
No abstract provided.
Greater Wealth Inequality, Less Polygyny: Rethinking The Polygyny Threshold Model, Cody T. Ross, Monique Borgerhoff Mulder, Seung-Yun Oh, Samuel Bowles, Bret Beheim, John Bunce, Mark Caudell, Gregory Clark, Heidi Colleran, Carmen Cortez, Patricia Draper, Russell D. Greaves, Michael Gurven, Thomas Headland, Janet Headland, Kim Hill, Barry Hewlett, Hillard Kaplan, Jeremy Koster, Karen Kramer, Frank Marlowe, Richard Mcelreath, David Nolin, Marsha Quinlan, Robert Quinlan, Caissa Revilla-Minaya, Brooke Scelza, Ryan Schacht, Mary Shenk, Ray Uehara, Eckart Voland, Kai Willführ, Bruce Winterhalder, John Ziker, Christopher Von Rueden
Greater Wealth Inequality, Less Polygyny: Rethinking The Polygyny Threshold Model, Cody T. Ross, Monique Borgerhoff Mulder, Seung-Yun Oh, Samuel Bowles, Bret Beheim, John Bunce, Mark Caudell, Gregory Clark, Heidi Colleran, Carmen Cortez, Patricia Draper, Russell D. Greaves, Michael Gurven, Thomas Headland, Janet Headland, Kim Hill, Barry Hewlett, Hillard Kaplan, Jeremy Koster, Karen Kramer, Frank Marlowe, Richard Mcelreath, David Nolin, Marsha Quinlan, Robert Quinlan, Caissa Revilla-Minaya, Brooke Scelza, Ryan Schacht, Mary Shenk, Ray Uehara, Eckart Voland, Kai Willführ, Bruce Winterhalder, John Ziker, Christopher Von Rueden
ESI Publications
Monogamy appears to have become the predominant human mating system with the emergence of highly unequal agricultural populations that replaced relatively egalitarian horticultural populations, challenging the conventional idea—based on the polygyny threshold model—that polygyny should be positively associated with wealth inequality. To address this polygyny paradox, we generalize the standard polygyny threshold model to a mutual mate choice model predicting the fraction of women married polygynously. We then demonstrate two conditions that are jointly sufficient to make monogamy the predominant marriage form, even in highly unequal societies. We assess if these conditions are satisfied using individual-level data from 29 human …
A Nearly Complete Foot From Dikika, Ethiopia And Its Implications For The Ontogeny And Function Of Australopithecus Afarensis, Jeremy Desilva, Corey M. Gill, Thomas C. Prang, Miriam A. Bredella, Zeresenay Alemseged
A Nearly Complete Foot From Dikika, Ethiopia And Its Implications For The Ontogeny And Function Of Australopithecus Afarensis, Jeremy Desilva, Corey M. Gill, Thomas C. Prang, Miriam A. Bredella, Zeresenay Alemseged
Dartmouth Scholarship
The functional and evolutionary implications of primitive retentions in early hominin feet have been under debate since the discovery of Australopithecus afarensis. Ontogeny can provide insight into adult phenotypes, but juvenile early hominin foot fossils are exceptionally rare. We analyze a nearly complete, 3.32-million-year-old juvenile foot of A. afarensis (DIK-1-1f). We show that juvenile A. afarensis individuals already had many of the bipedal features found in adult specimens. However, they also had medial cuneiform traits associated with increased hallucal mobility and a more gracile calcaneal tuber, which is unexpected on the basis of known adult morphologies. Selection for traits …
Morphological Variation In The Genus Chlorocebus: Ecogeographic And Anthropogenically Mediated Variation In Body Mass, Postcranial Morphology, And Growth, Trudy R. Turner, Christopher A. Schmitt, Jennifer Danzy Cramer, Joseph Lorenz, J. Paul Grobler, Clifford J. Jolly, Nelson B. Freimer
Morphological Variation In The Genus Chlorocebus: Ecogeographic And Anthropogenically Mediated Variation In Body Mass, Postcranial Morphology, And Growth, Trudy R. Turner, Christopher A. Schmitt, Jennifer Danzy Cramer, Joseph Lorenz, J. Paul Grobler, Clifford J. Jolly, Nelson B. Freimer
All Faculty Scholarship for the College of the Sciences
Objectives
Direct comparative work in morphology and growth on widely dispersed wild primate taxa is rarely accomplished, yet critical to understanding ecogeographic variation, plastic local variation in response to human impacts, and variation in patterns of growth and sexual dimorphism. We investigated population variation in morphology and growth in response to geographic variables (i.e., latitude, altitude), climatic variables (i.e., temperature and rainfall), and human impacts in the vervet monkey (Chlorocebus spp.).
Methods
We trapped over 1,600 wild vervets from across Sub‐Saharan Africa and the Caribbean, and compared measurements of body mass, body length, and relative thigh, leg, and foot …
Oregon's Manila Galleon, Cameron La Follette, Douglas Deur, Dennis Griffin, Scott S. Williams
Oregon's Manila Galleon, Cameron La Follette, Douglas Deur, Dennis Griffin, Scott S. Williams
Anthropology Faculty Publications and Presentations
For two centuries, physical evidence of a vast shipwreck, including beeswax and Chinese porcelain, has washed ashore in the Nehalem Spit area on the north coast of Oregon. The story of the wreck has been “shrouded by time, speculation, and surprisingly rich and often contradictory Euro-American folklore.” In this introduction to the Oregon Historical Quarterly's special issue, “Oregon's Manila Galleon,” authors Cameron La Follette, Douglas Deur, Dennis Griffin, and Scott S. Williams summarize the rich archival findings and archaeological evidence that points to the Santo Cristo de Burgos, a Manila galleon owned by the kingdom of Spain and bringing …
The Galleon Cargo: Accounts In The Colonial Archives, Cameron La Follette, Douglas Deur, Esther González
The Galleon Cargo: Accounts In The Colonial Archives, Cameron La Follette, Douglas Deur, Esther González
Anthropology Faculty Publications and Presentations
Much of the debris that has washed up on the shores of the northern Oregon coast for centuries were mainstays of Spanish trade carried as cargo across the world on Manila galleons. Both Native people and Euro-Americans have recovered large beeswax chunks, lending to the lore of the “Beeswax Wreck,” as well as Chinese blue-and-white porcelain fragments. In this article, Cameron La Follette and Douglas Deur describe research findings about cargo on the Santo Cristo de Burgos and similar Manila galleons, including the San Francisco Xavier of 1705, the previous favored candidate for the Oregon wreck. La Follette and Deur …
The Mountain Of A Thousand Holes: Shipwreck Traditions And Treasure Hunting On Oregon's North Coast, Cameron La Follette, Dennis Griffin, Douglas Deur
The Mountain Of A Thousand Holes: Shipwreck Traditions And Treasure Hunting On Oregon's North Coast, Cameron La Follette, Dennis Griffin, Douglas Deur
Anthropology Faculty Publications and Presentations
“Euro-Americans in coastal communities conflated and amplified Native American oral traditions of shipwrecks in Tillamook County, increasingly focusing on buried treasure,” write authors Cameron La Follette, Dennis Griffin and Douglas Deur. In this article, the authors trace the Euro-American blending of Native oral tradition with romances and adventure tales that helped create the “legends contributing to Neahkahnie [Mountain]'s reputation as Oregon's treasure-seeking haven.” They also examine the history of treasure-seeking in the area and describe the escalating conflict between Oregon's treasure-hunting statute and cultural resources protection laws, which led finally to statutory repeal that ended all treasure-hunting on state lands. …
The Galleon's Final Journey: Accounts Of Ship, Crew, And Passengers In The Colonial Archives, Cameron La Follette, Douglas Deur, Esther González
The Galleon's Final Journey: Accounts Of Ship, Crew, And Passengers In The Colonial Archives, Cameron La Follette, Douglas Deur, Esther González
Anthropology Faculty Publications and Presentations
Through archival research, Cameron La Follette and Douglas Deur document the history of the Santo Cristo de Burgos — the ship thought to be the Beeswax Wreck of Oregon — and its crew and passengers. The Santo Cristo “drew together a multiethnic crew of Spanish, Spanish Basque, Philippine, Mexican, and possibly African men in the most sprawling global trade network of their day.” Research conducted in the Archives of the Indies in Seville, Spain, the National Archives of the Philippines in Manila and the Archivo General de la Nación of Mexico in Mexico City shows that the galleon left the …
Views Across The Pacific: The Galleon Trade And Its Traces In Oregon, Cameron La Follette, Douglas Deur
Views Across The Pacific: The Galleon Trade And Its Traces In Oregon, Cameron La Follette, Douglas Deur
Anthropology Faculty Publications and Presentations
From 1565 to 1815, Manila galleons such as the Santo Cristo de Burgos — the ship now thought to be the seventeenth century “Beeswax Wreck” that sank or ran aground near Nehalem Spit in Oregon — followed a 12,000-mile route from the Philippines through the stormy North Pacific, sometimes passing parallel to what is now the north Oregon coast, before reaching their destination in Acapulco, Mexico. The galleons were a central part of Spain's complex international commerce system, transporting people and Asian goods around the world. In this article, Cameron La Follette and Douglas Deur discuss the Spanish empire and …
Playing It Cool: Characterizing Social Play, Bout Termination, And Candidate Play Signals Of Juvenile And Infant Tibetan Macaques (Macaca Thibetana), Kaitlin R. Wright, Jessica A. Mayhew, Lori K. Sheeran, Jake A. Funkhouser, Ronald S. Wagner, Li-Xing Sun, Jin-Hua Li
Playing It Cool: Characterizing Social Play, Bout Termination, And Candidate Play Signals Of Juvenile And Infant Tibetan Macaques (Macaca Thibetana), Kaitlin R. Wright, Jessica A. Mayhew, Lori K. Sheeran, Jake A. Funkhouser, Ronald S. Wagner, Li-Xing Sun, Jin-Hua Li
All Faculty Scholarship for the College of the Sciences
Play behaviors and signals during playful interactions with juvenile conspecifics are important for both the social and cognitive development of young animals. The social organization of a species can also influence juvenile social play. We examined the relationships among play behaviors, candidate play signals, and play bout termination in Tibetan macaques (Macaca
thibetana) during juvenile and infant social play to characterize the species play style. As Tibetan macaques are despotic and live in groups with strict linear dominance hierarchies and infrequent reconciliation, we predicted that play would be at risk of misinterpretation by both the individuals engaged in the play …
Laboratory Manual Ant 101: Introduction To Biological Anthropology, Susan L. Johnston
Laboratory Manual Ant 101: Introduction To Biological Anthropology, Susan L. Johnston
Anthropology & Sociology Faculty Publications
No abstract provided.
Sex Differences In Political Leadership In An Egalitarian Society, Christopher Von Rueden, Sarah Alami, Hillard Kaplan, Michael Gurven
Sex Differences In Political Leadership In An Egalitarian Society, Christopher Von Rueden, Sarah Alami, Hillard Kaplan, Michael Gurven
ESI Publications
We test the contribution of sex differences in physical formidability, education, and cooperation to the acquisition of political leadership in a small-scale society. Among forager-farmers from the Bolivian Amazon, we find that men are more likely to exercise different forms of political leadership, including verbal influence during community meetings, coordination of community projects, and dispute resolution. We show that these differences in leadership are not due to gender per se but are associated with men’s greater number of cooperation partners, greater access to schooling, and greater body size and physical strength. Men’s advantage in cooperation partner number is tied to …
Low Perceived Control Over Health Is Associated With Lower Treatment Uptake In A High Mortality Population Of Bolivian Forager-Farmers, Sarah Alami, Jonathan Stieglitz, Hillard Kaplan, Michael Gurven
Low Perceived Control Over Health Is Associated With Lower Treatment Uptake In A High Mortality Population Of Bolivian Forager-Farmers, Sarah Alami, Jonathan Stieglitz, Hillard Kaplan, Michael Gurven
ESI Publications
Indigenous people worldwide suffer from higher rates of morbidity and mortality than neighboring populations. In addition to having limited access to public health infrastructure, indigenous people may also have priorities and health perceptions that deter them from seeking adequate modern healthcare. Here we propose that living in a harsh and unpredictable environment reduces motivation to pursue deliberate, costly action to improve health outcomes. We assess whether variation in Health Locus of Control (HLC), a psychological construct designed to capture self-efficacy with respect to health, explains variation in treatment uptake behavior among Tsimane Amerindians (N=690; age range: 40–89 years; 55.8% female; …
Evolution Of The Modern Baboon (Papio Hamadryas): A Reassessment Of The African Plio-Pleistocene Record, Christopher C. Gilbert, Stephen R. Frost, Kelsey D. Pugh, Monya Anderson, Eric Delson
Evolution Of The Modern Baboon (Papio Hamadryas): A Reassessment Of The African Plio-Pleistocene Record, Christopher C. Gilbert, Stephen R. Frost, Kelsey D. Pugh, Monya Anderson, Eric Delson
Publications and Research
Baboons ( Papio hamadryas) are among the most successful extant primates, with a minimum of six distinctive forms throughout Sub-Saharan Africa. However, their presence in the fossil record is unclear. Three early fossil taxa are generally recognized, all from South Africa: Papio izodi , Papio robinsoni and Papio angusticeps. Because of their derived appearance, P. angusticeps and P. robinsoni have sometimes been considered subspecies of P. hamadryas and have been used as biochronological markers for the Plio- Pleistocene hominin sites where they are found.
We reexamined fossil Papio forms from across Africa with an emphasis on their distinguishing features and …
Allometric Variation In Modern Humans And The Relationship Between Body Proportions And Elite Athletic Success, Tesla A. Monson, Marianne F. Brasil, Leslea J. Hlusko
Allometric Variation In Modern Humans And The Relationship Between Body Proportions And Elite Athletic Success, Tesla A. Monson, Marianne F. Brasil, Leslea J. Hlusko
Anthropology Faculty and Staff Publications
In many sports, greater height and arm span are purportedly linked to athletic success. While variation in body proportions has been explored across an array of scientific disciplines, studies focusing on humans of tall stature outside of clinical cases are limited. We investigated body size proportions in a sample of elite athletes, employing data on recruits for the National Basketball Association (NBA, n=2,990), mixed martial arts (MMA) fighters (mixed-sex, n=1,284), as well as a control sample of healthy young adults who are not professional athletes, represented here by male (n=4,082) and female (n=1,986) recruits for the United States Army, to …
Science At Engineer Cantonment, Hugh H. Genoways, Brett C. Ratcliffe, Carl R. Falk, Thomas E. Labedz, Paul R. Picha, John R. Bozell
Science At Engineer Cantonment, Hugh H. Genoways, Brett C. Ratcliffe, Carl R. Falk, Thomas E. Labedz, Paul R. Picha, John R. Bozell
University of Nebraska State Museum: Mammalogy Papers
Conclusions
It is our contention that Thomas Say, Titian Peale, Edwin James, and their colleagues of the Stephen Long Expedition of 1819–1820 were heavily engaged in scientific research, which took the form of the first biodiversity inventory undertaken in the United States. This accomplishment has been overlooked both by biologists and historians, but it should rank among the most significant accomplishments of the expedition. The results of this inventory continue to inform us today about environmental, faunal, and floral changes along the Missouri River in an area that is known to be an ecotone between the deciduous forests of the …
Mitochondrial Dna Analysis Of Mazahua And Otomi Indigenous Populations From Estado De Mexico Suggests A Distant Common Ancestry, Angelica GonzáLez-Oliver, Ernesto Garfias-Morales, D G. Smith, Mirsha Quinto-Sánchez
Mitochondrial Dna Analysis Of Mazahua And Otomi Indigenous Populations From Estado De Mexico Suggests A Distant Common Ancestry, Angelica GonzáLez-Oliver, Ernesto Garfias-Morales, D G. Smith, Mirsha Quinto-Sánchez
Human Biology Open Access Pre-Prints
The indigenous Mazahua and Otomi have inhabited the same localities in Estado de Mexico since pre-Columbian times. Their languages, Mazahua and Otomi, belong to the Otomanguean linguistic family, and, while they share cultural traditions and a regional history that suggest close genetic relationships and common ancestry, the historical records concerning their origin are confusing. To understand the biological relationships between Mazahua and Otomi we analyzed the mitochondrial DNA (mtDNA) genetic variation. We identified the mtDNA haplogroups by restriction fragment length polymorphism typing and sequenced the hypervariable region I of the mtDNA control region in 141 Mazahua and 100 Otomi. These …
Testosterone And The Adult Male, Alex Straftis
Testosterone And The Adult Male, Alex Straftis
Calvert Undergraduate Research Awards
Abstract
In the last 15 years, prescription testosterone sales have increased almost threefold. Testosterone is a powerful hormone, which has both physiological and behavioral effects on the adult male. These effects vary over a man’s life course and social ecology. In a natural setting, testosterone reaches a peak during early adulthood, declines gradually over midlife, and has exponential drops after the age of 70. Increasing testosterone, through testosterone replacement therapy (TRT), past early adulthood, is an evolutionary novel circumstance for an adult male. To gauge these effects, and the motivations that initiated them, this study conducted a preliminary text analysis …
Phylogenetic Relationships Of Living And Fossil African Papionins: Combined Evidence From Morphology And Molecules, Kelsey D. Pugh, Christopher C. Gilbert
Phylogenetic Relationships Of Living And Fossil African Papionins: Combined Evidence From Morphology And Molecules, Kelsey D. Pugh, Christopher C. Gilbert
Publications and Research
No abstract provided.
Respect The Land - It’S Like Part Of Us: A Traditional Use Study Of Inland Dena’Ina Ties To The Chulitna River & Sixmile Lake Basins, Lake Clark National Park And Preserve, Douglas Deur, Karen Evanoff, Jamie Hebert
Respect The Land - It’S Like Part Of Us: A Traditional Use Study Of Inland Dena’Ina Ties To The Chulitna River & Sixmile Lake Basins, Lake Clark National Park And Preserve, Douglas Deur, Karen Evanoff, Jamie Hebert
Anthropology Faculty Publications and Presentations
For countless generations, Lake Clark has been home to the inland Dena’ina people. This unique and vast fresh-water lake complex sits at the intersection of sprawling tundra, taiga, and jagged cordillera, dotted with villages. Here, village life has been sustained by herds of caribou, shorelines populated by moose and beaver, vast runs of salmon ascending from Bristol Bay, and other natural assets. But the area’s uniqueness extends beyond its abundant natural resources. Also unique is the National Park Service (NPS) unit that has occupied the region known as Lake Clark National Park and Preserve (LACL) in recent decades.
The study …
An Engineer Cantonment Bestiary: The Art Of Titian Ramsay Peale, Hugh H. Genoways, Thomas E. Labedz
An Engineer Cantonment Bestiary: The Art Of Titian Ramsay Peale, Hugh H. Genoways, Thomas E. Labedz
University of Nebraska State Museum: Mammalogy Papers
Includes an overview of the work of American nature artist Titian Ramsay Peale as part of the Stephen H. Long Expedition, 1819-1820, at Engineer Cantonment in eastern Nebraska, USA.
Includes textual descriptions and/or reproductions of watercolors and lined drawings by Peale of banded killifish (Fundulus diaphanous), American White Pelican (Pelecanus erythrothynchos), Wood Duck (Aix sponsa), Rough-legged Hawk (Buteo lagopus/Falco lagopus), Sandhill Crane (Grus canadensis tabida), Pectoral Sandpiper (Calidris melanotos), Scarlet Tanager (Piranga olivacea), American Tree Sparrow (Spizella arborea), Yellow-headed Blackbird (Xanthocephalus …