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Piccirilli E, Sorrentino R, Lugli F, Bortolini E, Silvestrini S, Cavazzuti C, Conti S, Czifra S, Gyenesei K, Köhler K, Tankó K, Vazzana A, Jerem E, Cipriani A, Gottarelli A, Belcastro MG, Hajdu T, Benazzi S. New insights on Celtic migration in Hungary and Italy through the analysis of non-metric dental traits. PLoS One 2023; 18:e0293090. [PMID: 37851635 PMCID: PMC10584115 DOI: 10.1371/journal.pone.0293090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 10/05/2023] [Indexed: 10/20/2023] Open
Abstract
The Iron Age is characterized by an extended interweaving of movements by Celts in Europe. Several waves of Celts from Western and Central Europe migrated southeast and west from the core area of the La Téne culture (between Bourgogne and Bohemia). Through the analysis of non-metric dental traits, this work aims to understand the biological relationship among Celtic groups arrived in Italy and the Carpathian Basin, as well as between local populations and Celtic newcomers. A total of 10 non-metric dental traits were analyzed to evaluate biological affinities among Celts (Sopron-Krautacker and Pilismarót-Basaharc) and Scythians-related populations from Hungary (Tápiószele), Celts from continental Europe (Switzerland and Austria), two Iron Age Etruscan-Celtic sites from northern Italy (Monterenzio Vecchio and Monte Bibele), 13 Iron Age central-southern Italic necropolises, and the northern Italian Bronze Age necropolis of Scalvinetto. Strontium isotopes were measured on individuals from the necropolis of Monte Bibele to infer their local or non-local origin. Results highlight the existence of statistically significant differences between Celts and autochthonous Italian groups. Celtic groups from Hungary and Italy (i.e., non-local individuals of Monterenzio Vecchio and Monte Bibele) share a similar biological background, supporting the historical records mentioning a common origin for Celts migrated to the eastern and southern borders of today's Europe. The presence of a supposed Steppean ancestry both in Celts from Hungary and Celts from northern Italy corroborates the hypothesis of the existence of a westward migration of individuals and genes from the Steppe towards northern Italy during the Bronze and Iron Age, which contributed to the biological variability of pre-Celtic and later Celtic populations, respectively. Conversely, individuals from central-southern Italy show an autochthonous pre-Iron Age background. Lastly, this work supports the existence of Celtic migratory routes in northern Italy, as shown by biological and cultural admixture between Celts and Italics living together.
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Affiliation(s)
- Erica Piccirilli
- Department of Cultural Heritage, University of Bologna, Ravenna, Italy
| | - Rita Sorrentino
- Department of Biological, Geological and Environmental Sciences–BiGeA, University of Bologna, Bologna, Italy
| | - Federico Lugli
- Department of Cultural Heritage, University of Bologna, Ravenna, Italy
- Department of Chemical and Geological Science, University of Modena and Reggio Emilia, Modena, Italy
| | - Eugenio Bortolini
- Department of Cultural Heritage, University of Bologna, Ravenna, Italy
- Department of Archaeology and Anthropology, IMF-CSIC (Spanish National Research Centre), Barcelona, Spain
| | - Sara Silvestrini
- Department of Cultural Heritage, University of Bologna, Ravenna, Italy
| | - Claudio Cavazzuti
- Department of History and Cultures, University of Bologna, Bologna, Italy
| | - Sara Conti
- Department of Cultural Heritage, University of Bologna, Ravenna, Italy
| | - Szabolcs Czifra
- National Institute of Archaeology, Hungarian National Museum, Budapest, Hungary
| | - Katalin Gyenesei
- Department of Biological Anthropology, Faculty of Science, Institute of Biology, Eötvös Loránd University, Budapest, Hungary
| | - Kitti Köhler
- Hungarian Natural History Museum, Department of Anthropology, Budapest, Hungary
| | - Károly Tankó
- ELKH–ELTE Interdisciplinary Archaeological Research Group, Eötvös Loránd University, Budapest, Hungary
| | - Antonino Vazzana
- Department of Cultural Heritage, University of Bologna, Ravenna, Italy
| | - Erzsébet Jerem
- Hungarian Natural History Museum, Department of Anthropology, Budapest, Hungary
| | - Anna Cipriani
- Department of Chemical and Geological Science, University of Modena and Reggio Emilia, Modena, Italy
- Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY, United States of America
| | - Antonio Gottarelli
- Department of History and Cultures, University of Bologna, Bologna, Italy
| | - Maria Giovanna Belcastro
- Department of Biological, Geological and Environmental Sciences–BiGeA, University of Bologna, Bologna, Italy
| | - Tamás Hajdu
- Department of Biological Anthropology, Faculty of Science, Institute of Biology, Eötvös Loránd University, Budapest, Hungary
| | - Stefano Benazzi
- Department of Cultural Heritage, University of Bologna, Ravenna, Italy
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Gigante M, Mazzariol A, Bonetto J, Armaroli E, Cipriani A, Lugli F. Machine learning-based Sr isoscape of southern Sardinia: A tool for bio-geographic studies at the Phoenician-Punic site of Nora. PLoS One 2023; 18:e0287787. [PMID: 37467179 DOI: 10.1371/journal.pone.0287787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 06/13/2023] [Indexed: 07/21/2023] Open
Abstract
Since prehistoric times, the island of Sardinia-in the western Mediterranean-has played a leading role in the dynamics of human population and mobility, in the circulation of raw materials and artefacts, idioms and customs, of technologies and ideas that have enriched the biological, linguistic and cultural heritage of local groups. For the Phoenician and Punic periods (from the 9th to the 3rd centuries BCE), the ancient site of Nora-in southern Sardinia-represents an emblematic case in the study of migratory phenomena that occurred on the Island from the Iron Age until the Roman conquest. Despite the importance of exploring (and characterising) such movements from a wider bio-cultural perspective, the application of bio-geochemical tools for geographical provenance to the ancient skeletal populations of Sardinia is yet scarce. The present work is the first step towards filling this gap with the development of the first isoscape of southern Sardinia using new bioavailable Sr isotope data and a machine-learning approach. From a geolithological point of view, Sardinia is rather heterogeneous and requires detailed studies to correctly assess the distribution of the isotopic signature of bioavailable Sr. The random forest model employed here to construct the Sr isoscape uses several external environmental and geological variables. The most important predictors are related to age and bedrock type, with additional input from local soil properties. A 10-fold cross-validation gives a mean square error of 0.0008 and an R-squared of 0.81, so the model correctly predicts the 87Sr/86Sr ratio of unknown areas. By using a Bayesian provenance assignment workflow, we tested the isoscape here produced to determine the geographic origin and the mobility of archaeological and modern fauna collected from the Phoenician-Punic site of Nora and the surrounding Pula Plain. Our results indicate that archaeological sheep and goats (87Sr/86Sr < 0.7090) are compatible with areas close to Nora and Pula Plain, in agreement with archaeological evidence of pastoralism in those areas. Modern wild and domesticated fauna (87Sr/86Sr > 0.7090) show compatibility with several natural and anthropogenic locations in southern Sardinia, as expected based on modern species distribution data. Finally, we discuss the large Sr isotopic variability of the Nora baseline, where human mobility studies of human cremated and inhumed individuals are currently underway.
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Affiliation(s)
- Melania Gigante
- Department of Cultural Heritage, University of Padua, Padua, Italy
| | | | - Jacopo Bonetto
- Department of Cultural Heritage, University of Padua, Padua, Italy
| | - Elena Armaroli
- Department of Chemical and Geological Science, University of Modena & Reggio Emilia, Modena, Italy
| | - Anna Cipriani
- Department of Chemical and Geological Science, University of Modena & Reggio Emilia, Modena, Italy
- Lamont-Doherty Earth Observatory of Columbia University, Palisades, New York, United States of America
| | - Federico Lugli
- Department of Chemical and Geological Science, University of Modena & Reggio Emilia, Modena, Italy
- Department of Cultural Heritage, University of Bologna, Ravenna, Italy
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Bataille CP, Ammer STM, Bhuiyan S, Chartrand MMG, St-Jean G, Bowen GJ. Multi-isotopes in human hair: A tool to initiate cross-border collaboration in international cold-cases. PLoS One 2022; 17:e0275902. [PMID: 36288264 PMCID: PMC9603990 DOI: 10.1371/journal.pone.0275902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 09/21/2022] [Indexed: 11/19/2022] Open
Abstract
Unidentified human remains have historically been investigated nationally by law enforcement authorities. However, this approach is outdated in a globalized world with rapid transportation means, where humans easily move long distances across borders. Cross-border cooperation in solving cold-cases is rare due to political, administrative or technical challenges. It is fundamental to develop new tools to provide rapid and cost-effective leads for international cooperation. In this work, we demonstrate that isotopic measurements are effective screening tools to help identify cold-cases with potential international ramifications. We first complete existing databases of hydrogen and sulfur isotopes in human hair from residents across North America by compiling or analyzing hair from Canada, the United States (US) and Mexico. Using these databases, we develop maps predicting isotope variations in human hair across North America. We demonstrate that both δ2H and δ34S values of human hair are highly predictable and display strong spatial patterns. Multi-isotope analysis combined with dual δ2H and δ34S geographic probability maps provide evidence for international travel in two case studies. In the first, we demonstrate that multi-isotope analysis in bulk hair of deceased border crossers found in the US, close to the Mexico-US border, help trace their last place of residence or travel back to specific regions of Mexico. These findings were validated by the subsequent identification of these individuals through the Pima County Office of the Medical Examiner in Tucson, Arizona. In the second case study, we demonstrate that sequential multi-isotope analysis along the hair strands of an unidentified individual found in Canada provides detailed insights into the international mobility of this individual during the last year of life. In both cases, isotope data provide strong leads towards international travel.
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Affiliation(s)
- Clément P. Bataille
- Department of Earth and Environmental Sciences, University of Ottawa, Ottawa, ON, Canada
- * E-mail:
| | - Saskia T. M. Ammer
- Geology & Geochemistry Cluster, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Co van Ledden Hulsebosch Centre (CLHC), Amsterdam, The Netherlands
| | - Shelina Bhuiyan
- Department of Earth and Environmental Sciences, University of Ottawa, Ottawa, ON, Canada
| | | | - Gilles St-Jean
- Department of Earth and Environmental Sciences, University of Ottawa, Ottawa, ON, Canada
| | - Gabriel J. Bowen
- Department of Geology & Geophysics and Global Change & Sustainability Center, University of Utah, Salt Lake City, UT, United States of America
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Rodiouchkina K, Rodushkin I, Goderis S, Vanhaecke F. Longitudinal isotope ratio variations in human hair and nails. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 808:152059. [PMID: 34863743 DOI: 10.1016/j.scitotenv.2021.152059] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 11/19/2021] [Accepted: 11/25/2021] [Indexed: 06/13/2023]
Abstract
Due to the straightforward and non-invasive sampling, ease of transport and long-term storage and access to time-resolved information, determination of element concentrations and isotope ratios in hair and nails finds increasing use. Multi-isotopic information preserved in keratinous tissues allows one to reveal dietary, physiological and environmental influences, but progress in this area is still limited by complicated and time-consuming analytical procedures and challenges in accuracy assessment. In this study, longitudinal distributions of δ34S, 87Sr/86Sr, 207,208Pb/206Pb, δ66Zn, δ56Fe, δ65Cu, δ26Mg, and δ114Cd were obtained for hair and nails collected from nine subjects with different age, biological sex, diet and/or place of residence. For S and Zn, the distribution along hair strands revealed a trend towards a heavier isotopic signature from the proximal to the distal end, with a maximum difference within the hair of a single subject of 1.2‰ (Δ34S) and 0.4‰ (Δ66Zn). For Fe, Cu, Mg and Cd, a shift towards either a lighter (Cu) or heavier (Fe, Mg and Cd) isotopic composition is accompanied by increasing concentration towards the distal hair end, indicating possible isotope fractionation during deposition or external contamination with a different isotopic composition. Pb and Sr isotope ratios are relatively stable throughout the hair strands despite notable concentration increases towards the distal end, likely reflecting external contamination. The isotopic composition of Sr points to tap water as a probable main source, explaining the relative stability of the ratio for individuals from the same geographical location. For Pb, isotopic compositions suggest tap water and/or indoor dust as possible sources. Similar δ34S, 87Sr/86Sr, 207,208Pb/206Pb, δ66Zn, δ56Fe, and δ65Cu observed for hair, fingernails and toenails sampled from the same individual suggest that keratinous tissues are conservative receivers of internal and external inputs and can be used complementary. Seasonal variation in δ34S, 207,208Pb/206Pb, and δ65Cu was observed for fingernails.
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Affiliation(s)
- Katerina Rodiouchkina
- Ghent University, Department of Chemistry, Atomic and Mass Spectrometry (A&MS) research group, Campus Sterre, Krijgslaan 281 - S12, 9000 Ghent, Belgium
| | - Ilia Rodushkin
- ALS Scandinavia AB, ALS Laboratory Group, Aurorum 10, S-977 75 Luleå, Sweden
| | - Steven Goderis
- Vrije Universiteit Brussel, Department of Chemistry, Analytical, Environmental and Geo-Chemistry (AMGC) research group, Pleinlaan 2, 1050 Brussels, Belgium
| | - Frank Vanhaecke
- Ghent University, Department of Chemistry, Atomic and Mass Spectrometry (A&MS) research group, Campus Sterre, Krijgslaan 281 - S12, 9000 Ghent, Belgium.
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Bini C, Cilli E, Sarno S, Traversari M, Fontani F, Boattini A, Pelotti S, Luiselli D. Twenty-Seven Y-Chromosome Short Tandem Repeats Analysis of Italian Mummies of the 16th and 18th Centuries: An Interdisciplinary Research. Front Genet 2021; 12:720640. [PMID: 34659342 PMCID: PMC8514714 DOI: 10.3389/fgene.2021.720640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 08/12/2021] [Indexed: 11/13/2022] Open
Abstract
Roccapelago (MO) is a small village located in the Northern Central Apennines, with a population of 31 inhabitants (2014). In 2010, more than 400 individuals dated between the end of the 16th and the 18th century, many of which partially mummified, were discovered in the crypt of the church. This small village, because of its geographical location and surrounding environment, seems to possess the characteristics of a genetic isolate, useful for population genetics and genealogical analyses. Thus, a diachronic study of DNA aimed at investigating the structure and dynamics of the population of Roccapelago over the about 4 centuries, was conducted by analyzing ancient and modern inhabitants of the village. The 14 modern samples were selected by considering both the founder surnames of the village, identified thanks to the study of parish registers, and the grandparent's criterion. From 25 ancient mummies, morphologically assigned to male individuals, the petrous bone, that harbors high DNA amounts, was selected for the DNA extraction. The quantification and qualitative assessment of total human male DNA were evaluated by a real-time PCR assay using the Quantifiler Trio DNA Quantification Kit and multiplex PCR of 27 Y-chromosome short tandem repeat (Y-STR) markers included in the Yfiler Plus PCR Amplification Kit, with seven rapidly mutating Y-STR loci for improving discrimination of male lineages, was performed to genotype the samples. Y-STRs were analyzed according to the criteria of ancient DNA (aDNA) analysis to ensure that authentic DNA typing results were obtained from these ancient samples. The molecular analysis showed the usefulness of the Y chromosome to identify historically relevant remains and discover patterns of relatedness in communities moving from anthropology to genetic genealogy and forensics.
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Affiliation(s)
- Carla Bini
- Laboratory of Forensic Genetics, Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Elisabetta Cilli
- Laboratory of Ancient DNA (aDNALab), Department of Cultural Heritage, University of Bologna, Ravenna, Italy
| | - Stefania Sarno
- Laboratory of Molecular Anthropology and Centre for Genome Biology, Department of Biological, Geological and Environmental Sciences, University of Bologna, Bologna, Italy
| | - Mirko Traversari
- Laboratory of Ancient DNA (aDNALab), Department of Cultural Heritage, University of Bologna, Ravenna, Italy
| | - Francesco Fontani
- Laboratory of Ancient DNA (aDNALab), Department of Cultural Heritage, University of Bologna, Ravenna, Italy
| | - Alessio Boattini
- Laboratory of Molecular Anthropology and Centre for Genome Biology, Department of Biological, Geological and Environmental Sciences, University of Bologna, Bologna, Italy
| | - Susi Pelotti
- Laboratory of Forensic Genetics, Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Donata Luiselli
- Laboratory of Ancient DNA (aDNALab), Department of Cultural Heritage, University of Bologna, Ravenna, Italy
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Fauberteau AE, Chartrand MM, Hu L, St-Jean G, Bataille CP. Investigating a cold case using high-resolution multi-isotope profiles in human hair. Forensic Chem 2021. [DOI: 10.1016/j.forc.2020.100300] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Hu L, Chartrand MMG, St-Jean G, Lopes M, Bataille CP. Assessing the Reliability of Mobility Interpretation From a Multi-Isotope Hair Profile on a Traveling Individual. Front Ecol Evol 2020. [DOI: 10.3389/fevo.2020.568943] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
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Bataille CP, Chartrand MMG, Raposo F, St-Jean G. Assessing geographic controls of hair isotopic variability in human populations: A case-study in Canada. PLoS One 2020; 15:e0237105. [PMID: 32776947 PMCID: PMC7416927 DOI: 10.1371/journal.pone.0237105] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 07/20/2020] [Indexed: 12/24/2022] Open
Abstract
Studying the isotope variability in fast-growing human tissues (e.g., hair, nails) is a powerful tool to investigate human nutrition. However, interpreting the controls of this isotopic variability at the population scale is often challenging as multiple factors can superimpose on the isotopic signals of a current population. Here, we analyse carbon, nitrogen, and sulphur isotopes in hair from 590 Canadian resident volunteers along with demographics, dietary and geographic information about each participant. We use a series of machine-learning regressions to demonstrate that the isotopic values in Canadian residents' hair are not only influenced by dietary choices but by geographic controls. First, we show that isotopic values in Canadian residents' hair have a limited range of variability consistent with the homogenization of Canadian dietary habits (as in other industrialized countries). As expected, some of the isotopic variability within the population correlates with recorded individual dietary choices. More interestingly, some regional spatial patterns emerge from carbon and sulphur isotope variations. The high carbon isotope composition of the hair of eastern Canadians relative to that of western Canadians correlates with the dominance of corn in the eastern Canadian food-industry. The gradient of sulphur isotope composition in Canadian hair from coast to inland regions correlates with the increasing soil pH and decreasing deposition of marine-derived sulphate aerosols in local food systems. We conclude that part of the isotopic variability found in the hair of Canadian residents reflects the isotopic signature associated with specific environmental conditions and agricultural practices of regional food systems transmitted to humans through the high consumption rate of intra-provincial food in Canada. Our study also underscores the strong potential of sulphur isotopes as tracers of human and food provenance.
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Affiliation(s)
- Clement P. Bataille
- Department of Earth and Environmental Sciences, University of Ottawa, Ottawa, Ontario, Canada
| | | | - Francis Raposo
- Department of Earth and Environmental Sciences, University of Ottawa, Ottawa, Ontario, Canada
| | - Gilles St-Jean
- Department of Earth and Environmental Sciences, University of Ottawa, Ottawa, Ontario, Canada
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Hu L, Fernandez DP, Cerling TE, Tipple BJ. Fast exchange of strontium between hair and ambient water: Implication for isotopic analysis in provenance and forensic studies. PLoS One 2020; 15:e0233712. [PMID: 32469972 PMCID: PMC7259688 DOI: 10.1371/journal.pone.0233712] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 05/11/2020] [Indexed: 01/12/2023] Open
Abstract
Trace elements in hair originate from intake (e.g., diet, inhalation, skin absorption), are transported in the bloodstream, and then incorporated during hair formation. However, the trace element abundance and isotopic compositions may be altered by post-eruption environmental processes. Such alterations must be addressed to obtain a meaningful interpretation of hair analysis for biomonitoring. In this study, we used strontium (Sr) isotopic analysis together with sorption kinetics of ionic Sr to quantify the rate and extent of replacement of endogenous Sr in hair by exogenous Sr from ambient water. We found that with only 10 minutes of exposure at room temperature (22°C), more than 30% of original endogenous Sr in hair was replaced with exogenous Sr from the solution. After 16 days of exposure to the solution, more than 90% of endogenous Sr was replaced, with a warmer temperature (60°C) accelerating the exchange substantially. We also found that acid leaching of exposed hair did not remove or isolate the exogenous Sr; therefore, neither the original endogenous nor the exogenous 87Sr/86Sr signal could be separated. Nonetheless, these findings illustrated that the quantitative correlation between the fraction of exogenous Sr and the soaking time, if established, could be used to estimate the length of water contact time for hair in forensic studies. Even if such time since initial contact cannot be established, the combination of acid leaching and 87Sr/86Sr analysis of hair samples may still be valuable in provenance studies to identify recent changes in the exogenous Sr pool, including movements or changes in water source.
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Affiliation(s)
- Lihai Hu
- Department of Geology and Geophysics, University of Utah, Salt Lake City, UT, United States of America
| | - Diego P. Fernandez
- Department of Geology and Geophysics, University of Utah, Salt Lake City, UT, United States of America
| | - Thure E. Cerling
- Department of Geology and Geophysics, University of Utah, Salt Lake City, UT, United States of America
- Department of Biology, University of Utah, Salt Lake City, UT, United States of America
| | - Brett J. Tipple
- Department of Biology, University of Utah, Salt Lake City, UT, United States of America
- Global Change and Sustainability Center, University of Utah, Salt Lake City, UT, United States of America
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