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The dental morphology of the riverine and coastal shell-mound builders from the South-Southeast of Brazil

Grant number: 19/18289-3
Support type:Scholarships abroad - Research Internship - Doctorate
Effective date (Start): February 14, 2020
Effective date (End): August 13, 2020
Field of knowledge:Humanities - Archeology - Prehistoric Archaeology
Principal Investigator:Veronica Wesolowski de Aguiar e Santos
Grantee:Daniel Filipe Ferreira Fidalgo
Supervisor abroad: Mark Oliver Rohrig Hubbe
Home Institution: Museu de Arqueologia e Etnologia (MAE). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Local de pesquisa : Ohio State University, Columbus, United States  
Associated to the scholarship:17/20637-4 - Dental morphology of pre-colonial human osteological series from the Southeastern coast of Brazil: contributions to the study of morphological variability in shell-mound populations, BP.DR


This project tests if Brazilian shell-mound builders display significant intra- and inter-group phenotypic variation throughout the Holocene, to better understand the early dynamics of the peopling of the Brazilian meridional coast, and how relationships amongst coeval populations developed during pre-colonial times. Dental morphological traits will be used as proxies for genetic data, to reconstruct the population history of these shell-mound groups. The Arizona State University Dental Anthropological System (ASUDAS) will be used to characterize the dental remains. The skeletal series included in the study were exhumed from coastal and riverine shell-mounds of the states of São Paulo, Paraná, and Santa Catarina. To explore the relationship between series, morphological affinities will be assessed through multivariate biological distances.As stated in the FAPESP Process 2017/20637-4, there is a need for a research internship abroad, namely to the Ohio State University, under the supervision of Prof. Dr. Mark Hubbe, who is also the official co-advisor of this project. The main purpose of this visit is to gain further knowledge about the methodological approaches to address the questions in this project. Specifically, the visit will focus on developing skills in R programming language, and becoming familiar with the most relevant statistical tests, like Euclidean distance matrices, Mean Measure of Divergence, Mahalanobis distance, Principal Component analysis, Hierarchical Clusters and Multidimensional Scaling, as well as several bootstrapping and resampling techniques.The training in statistical analysis will greatly enhance the quality of the research, preparing it for future publication, and will increase the relevance of the study internationally. Furthermore, it will also increase the chances of future collaborations, and the internationalization of scientific research in Brazil. (AU)