Identifying Cohorts Using Isotope Mass Spectrometry: The Potential of Temporal Resolution and Dietary Profiles

Beaumont, Julia; Bekvalac, Jelena; Harris, Samuel; Batt, C. M

doi:10.1111/arcm.12667

Cited by 4 publications

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“…Whereas bone is remodeled throughout life, teeth formed during childhood or adolescence are barely remodeled and thus provide an isotopic archive of nutrition in early life. Accordingly, the analysis of dentine in comparison with bone samples allows for the detection of changes in dietary intake [ 31 , 32 ], which can also provide indications of mobile behavior in some cases (e.g., [ 33 , 34 ], see also [ 21 ]).…”

Section: Introductionmentioning

confidence: 99%

Between Raetia Secunda and the dutchy of Bavaria: Exploring patterns of human movement and diet

et al. 2023

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During the transition from Late Antiquity to the Middle Ages, the Roman Empire dissolved in the West and medieval empires were founded. There has been much discussion about the role that migration played in this transition. This is especially true for the formation of the Baiuvariian tribe and the founding of this tribal dukedom, which took place from the 5th to the 6th century in what is now Southern Bavaria (Germany). In this study, we aimed to determine the extent of immigration during the beginning of this transformation and to shed further light on its character. To achieve this goal, we analyzed stable isotope values of strontium, carbon, and nitrogen from the teeth and bones of over 150 human remains from Southern Germany, dating from around 500 AD. This group of individuals included women with cranial modifications (ACD) which can be found sporadically in the burial grounds of this period. Our results showed an above-average migration rate for both men and women in the second half of the 5th century. They also indicate that a foreign background may also be assumed for the women with ACD. The demonstrably different origins of the immigrants from isotopically diverse regions, and the identification of local differences in detectable migration rate, as well as indication for different timing of residential changes, highlight the complexity of immigration processes and the need for more studies at the regional level.

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Section: Introductionmentioning

confidence: 99%

Between Raetia Secunda and the dutchy of Bavaria: Exploring patterns of human movement and diet

et al. 2023

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“…These differences between adult and child diets may be related to environmental constraints, food availability, and cultural customs (Dettwyler, 1989). Variations in diet may also be related to movement between groups with different dietary customs such as the geographical relocation of individuals (Beaumont, Gledhill, et al, 2013; Bell et al, 2001) or as a change in status such as an oblate entering a monastic setting (Beaumont et al, 2021; Kancle et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

“…Variations in diet may also be related to movement between groups with different dietary customs such as the geographical relocation of individuals (Beaumont, Gledhill, et al, 2013;Bell et al, 2001) or as a change in status such as an oblate entering a monastic setting (Beaumont et al, 2021;Kancle et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

“…In studying the dietary transitions through early development using incremental stable isotope analysis it is crucial to observe the information recorded in the skeleton and the available archeological, environmental and historical context. Since some individuals will have experienced very similar dietary variations and may be considered a cohort in terms of their life histories (Beaumont, 2020; Beaumont et al, 2021; Beaumont & Montgomery, 2018).…”

Section: Introductionmentioning

confidence: 99%

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The early lives of the islanders: Stable isotope analysis of incremental dentine collagen from the prehispanic period of the Canary Islands

Sánchez‐Cañadillas,

Beaumont,

Santana‐Cabrera

et al. 2023

American Journal of Biological Anthropology

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ObjectivesThis study presents isotopic information for incremental dentine collagen and bone bulk collagen from individuals from the Canary Islands (Tenerife and Gran Canaria) to explore dietary differences during childhood life.Materials and MethodsEight individuals have been studied, which comprises 122 δ15N and δ13C incremental dentine measurements and eight bulk bone collagen analyses. A baseline of potentially consumed food sources has been developed for comparative purposes. A food reconstruction using isotopic transferred signals (FRUITS) model of probable contributions of each food source towards the diet of each individual has been developed. All samples but one belongs to the later period of indigenous occupation of the archipelago.ResultsThe dentine collagen data are presented in correlated δ13C and δ15N plots per individual, showing the isotopic changes throughout time. δ15N values for each individual tend to be variable whereas δ13C data are generally more stable with a range of +9.1 to +14‰ for δ15N and −17.4 to −20.8‰ for δ13C.ConclusionThe isotopic analysis allows for the reconstruction of eight dietary profiles, which allow us to estimate the different dietary protein sources. The FRUITS model shows different percentages of the primary food sources for each individual. Where both δ13C and δ15N are elevated, this could be indicative of a higher marine contribution to the diet. There appear to be two main dietary profiles identifiable in the dataset and these may be related to changes in status or place of residence. Short‐term variations in δ13C and δ15N and opposing co‐variance of isotopic values can be indicative of nutritional stress, although metabolic changes during growth are also considered.

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Breastfeeding in low-income families of the turn of the 19th-century town of Rauma, Southwestern Finland, according to stable isotope analyses of archaeological teeth

Väre

Harris

Finnilä

et al. 2022

Journal of Archaeological Science: Reports

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Identifying Cohorts Using Isotope Mass Spectrometry: The Potential of Temporal Resolution and Dietary Profiles

Cited by 4 publications

References 59 publications

Between Raetia Secunda and the dutchy of Bavaria: Exploring patterns of human movement and diet

Between Raetia Secunda and the dutchy of Bavaria: Exploring patterns of human movement and diet

The early lives of the islanders: Stable isotope analysis of incremental dentine collagen from the prehispanic period of the Canary Islands

Breastfeeding in low-income families of the turn of the 19th-century town of Rauma, Southwestern Finland, according to stable isotope analyses of archaeological teeth

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