John Krigbaum
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View article: Early transatlantic movement of horses and donkeys at Jamestown
Early transatlantic movement of horses and donkeys at Jamestown Open
Domestic equids were central to the initial colonization of the Atlantic coast of the Americas, a process partially chronicled by historical records. While Spanish colonists brought horses to the Caribbean decades earlier, settlement of th…
View article: Africa’s Cultural Crossroads: Archaeological Evidence for Ritual Syncretism in Western Uganda from Western Kansyore, Transitional Urewe, and Bigo-Period Burials
Africa’s Cultural Crossroads: Archaeological Evidence for Ritual Syncretism in Western Uganda from Western Kansyore, Transitional Urewe, and Bigo-Period Burials Open
Archaeological research in the Ndali Crater Lakes Region (NCLR) in western Uganda has contributed significant insights into first millennium AD multilingual communities. These diverse communities, sharing food ways, ceramic technologies, a…
View article: Remaking the Late Holocene Environment of Western Uganda: Archaeological Perspectives on Kansyore and Later Settlers
Remaking the Late Holocene Environment of Western Uganda: Archaeological Perspectives on Kansyore and Later Settlers Open
Archaeological and environmental research by an international and interdisciplinary team opens new perspectives into the settlement histories of Kansyore, Early Iron Age, and Bigo period peoples in the once forested regions of the Ndali Cr…
View article: Early transatlantic movement of horses and donkeys at Jamestown
Early transatlantic movement of horses and donkeys at Jamestown Open
Domestic horses and donkeys played a key role in the initial colonization of the Atlantic seaboard of the Americas, a process partially chronicled by historical records. While Spanish colonists brought horses to the Caribbean and southern …
View article: An isotopic examination of Maya Preclassic and Classic animal and human diets at Ceibal, Guatemala
An isotopic examination of Maya Preclassic and Classic animal and human diets at Ceibal, Guatemala Open
This study examines the carbon (δ13C), oxygen (δ18O), and strontium (87Sr/86Sr) isotopes from the dental enamel of 63 animals and compares these data to the carbon signatures from 21 humans from the Maya site of Ceibal, Guatemala. Comparin…
View article: Genomic and Phylogenetic Analysis of Bacillus cereus Biovar anthracis Isolated from Archival Bone Samples Reveals Earlier Natural History of the Pathogen
Genomic and Phylogenetic Analysis of Bacillus cereus Biovar anthracis Isolated from Archival Bone Samples Reveals Earlier Natural History of the Pathogen Open
(1) Background: Bacillus cereus biovar anthracis (Bcbva) was the causative agent of an anthrax-like fatal disease among wild chimpanzees in 2001 in Côte d’Ivoire. Before this, there had not been any description of an anthrax-like disease c…
View article: Understanding Turkey Management in the Mimbres Valley of Southwestern New Mexico Using Ancient Mitochondrial DNA and Stable Isotopes
Understanding Turkey Management in the Mimbres Valley of Southwestern New Mexico Using Ancient Mitochondrial DNA and Stable Isotopes Open
In the US Southwest and Northwest Mexico, people and turkeys ( Meleagris gallopavo ) have had a reciprocal relationship for millennia; turkeys supplied feathers, meat, and other resources, whereas people provided food, shelter, and care. T…
View article: Dogs occupying grassy habitat near protected areas in eastern Madagascar rely on foods from forests
Dogs occupying grassy habitat near protected areas in eastern Madagascar rely on foods from forests Open
Societal Impact Statement Identifying where introduced animals fit in a food web relative to each other and to endemic species is key for biodiversity conservation planning. Using a multiproxy study of dog feces from eastern Madagascar, we…
View article: Isotopic evidence for geographic heterogeneity in Ancient Greek military forces
Isotopic evidence for geographic heterogeneity in Ancient Greek military forces Open
Increased mobility and human interactions in the Mediterranean region during the eighth through fifth centuries BCE resulted in heterogeneous communities held together by political and cultural affiliations, periodically engaged in militar…
View article: Non-Local Enemies or Local Subjects of Violence?: Using Strontium (87Sr/86Sr) and Lead (206Pb/204Pb, 207Pb/204Pb, 208Pb/204Pb) Isobiographies to Reconstruct Geographic Origins and Early Childhood Mobility of Decapitated Male Heads from the Majes Valley, Peru
Non-Local Enemies or Local Subjects of Violence?: Using Strontium (87Sr/86Sr) and Lead (206Pb/204Pb, 207Pb/204Pb, 208Pb/204Pb) Isobiographies to Reconstruct Geographic Origins and Early Childhood Mobility of Decapitated Male Heads from the Majes Valley, Peru Open
Throughout much of the pre-Hispanic Andes, bioarchaeological and iconographic evidence shows that the decapitation, dismemberment, and display of human heads were important aspects of ritual practices. Researchers have debated about the so…
View article: TaqMan Assays for Simultaneous Detection of Bacillus anthracis and Bacillus cereus biovar anthracis
TaqMan Assays for Simultaneous Detection of Bacillus anthracis and Bacillus cereus biovar anthracis Open
Anthrax is a worldwide zoonotic disease caused by the spore-forming bacterium Bacillus anthracis. Primarily a disease of herbivores, human infections often result from direct contact with contaminated animal products (cutaneous and inhalat…
View article: The zooarchaeology and isotopic ecology of the Bahamian hutia (Geocapromys ingrahami): Evidence for pre-Columbian anthropogenic management
The zooarchaeology and isotopic ecology of the Bahamian hutia (Geocapromys ingrahami): Evidence for pre-Columbian anthropogenic management Open
Bahamian hutias (Geocapromys ingrahami) are the only endemic terrestrial mammal in The Bahamas and are currently classified as a vulnerable species. Drawing on zooarchaeological and new geochemical datasets, this study investigates human m…
View article: "The dead shall be raised": Multidisciplinary analysis of human skeletons reveals complexity in 19th century immigrant socioeconomic history and identity in New Haven, Connecticut
"The dead shall be raised": Multidisciplinary analysis of human skeletons reveals complexity in 19th century immigrant socioeconomic history and identity in New Haven, Connecticut Open
In July 2011, renovations to Yale-New Haven Hospital inadvertently exposed the cemetery of Christ Church, New Haven, Connecticut's first Catholic cemetery. While this cemetery was active between 1833 and 1851, both the church and its cemet…
View article: 87Sr/86Sr and 14C evidence for peccary (Tayassuidae) introduction challenges accepted historical interpretation of the 1657 Ligon map of Barbados
87Sr/86Sr and 14C evidence for peccary (Tayassuidae) introduction challenges accepted historical interpretation of the 1657 Ligon map of Barbados Open
Contemporary West Indian biodiversity has been shaped by two millennia of non-native species introductions. Understanding the dynamics of this process and its legacy across extended temporal and spatial scales requires accurate knowledge o…
View article: Bronze Age population dynamics and the rise of dairy pastoralism on the eastern Eurasian steppe
Bronze Age population dynamics and the rise of dairy pastoralism on the eastern Eurasian steppe Open
Recent paleogenomic studies have shown that migrations of Western steppe herders (WSH) beginning in the Eneolithic (ca. 3300–2700 BCE) profoundly transformed the genes and cultures of Europe and central Asia. Compared with Europe, however,…
View article: Earliest isotopic evidence in the Maya region for animal management and long-distance trade at the site of Ceibal, Guatemala
Earliest isotopic evidence in the Maya region for animal management and long-distance trade at the site of Ceibal, Guatemala Open
Significance The nature of animal management in Mesoamerica is not as well understood compared with other state-level societies around the world. In this study, isotope analysis of animal remains from Ceibal, Guatemala, provides the earlie…
View article: Patterns of camelid management in Wari Empire reconstructed using multiple stable isotope analysis: evidence from Castillo de Huarmey, northern coast of Peru
Patterns of camelid management in Wari Empire reconstructed using multiple stable isotope analysis: evidence from Castillo de Huarmey, northern coast of Peru Open
Camelid management was a major part of the Wari Empire's (ca. ad 600–1050) economy; however, it is uncertain whether camelid husbandry was centrally regulated or locally managed. To address this problem, we applied combined isotope ratio a…
View article: A rodent model of caloric restriction using bone mass, microarchitecture, and stable isotope ratios: implications for revealing chronic food insufficiency in archaeological populations
A rodent model of caloric restriction using bone mass, microarchitecture, and stable isotope ratios: implications for revealing chronic food insufficiency in archaeological populations Open
One important question with respect to past health and disease is the identification of patterns of caloric inadequacies. Given the substantial literature (animal and human) linking caloric inadequacy to reduced bone mass, microarchitectur…
View article: Biocultural Practices during the Transition to History at the Vat Komnou Cemetery, Angkor Borei, Cambodia
Biocultural Practices during the Transition to History at the Vat Komnou Cemetery, Angkor Borei, Cambodia Open
Mainland Southeast Asia underwent dramatic changes after the mid-first millennium B.C.E., as its populations embraced new metallurgical and agricultural technologies. Southeast Asians transformed their physical and social environments furt…
View article: Lead (Pb) Isotope Baselines for Studies of Ancient Human Migration and Trade in the Maya Region
Lead (Pb) Isotope Baselines for Studies of Ancient Human Migration and Trade in the Maya Region Open
We examined the potential use of lead (Pb) isotopes to source archaeological materials from the Maya region of Mesoamerica. The main objectives were to determine if: 1) geologic terrains throughout the Maya area exhibit distinct lead isoto…
View article: Sharpe et al. 2016.xlsx
Sharpe et al. 2016.xlsx Open
Original data for the publication "Lead (Pb) Isotope Baselines for Studies of Ancient Human Migration and Trade in the Maya Region" (PLOS ONE, 2016). Data include results of 60 rock samples analyzed for lead isotope ratios and a representa…