Dataset Information

Contribution to Longobard dietary studies: Stable carbon and nitrogen isotope data from Castel Trosino (6^th-8^th c. CE, Ascoli Piceno, central Italy).

ABSTRACT: The arrival of the Longobards in Italy represents one of the most significant periods of the Early Middle Ages. Such arrival had social and political implications, particularly in relation to cultural admixture with local communities. One way to understand this is through the reconstruction of paleodiet via stable isotope analysis. So far, the subsistence strategy of this population in central Italy remains poorly explored. Stable carbon and nitrogen isotope analyses are presented here on a total of 19 human bone collagen samples from the cemetery of Castel Trosino. This isotopic investigation contributes to the dietary reconstruction of Early Medieval populations in Italy, providing a crucial isotopic dataset for an area still poorly explored.

SUBMITTER: Bernardini S

PROVIDER: S-EPMC8379614 | biostudies-literature | 2021 Oct

REPOSITORIES: biostudies-literature

ACCESS DATA

Publications

Contribution to Longobard dietary studies: Stable carbon and nitrogen isotope data from Castel Trosino (6<sup>th</sup>-8<sup>th</sup> c. CE, Ascoli Piceno, central Italy).

Bernardini Sara S Asrat Mogesie Seminew S Micarelli Ileana I Manzi Giorgio G Tafuri Mary Anne MA

Data in brief 20210817

The arrival of the Longobards in Italy represents one of the most significant periods of the Early Middle Ages. Such arrival had social and political implications, particularly in relation to cultural admixture with local communities. One way to understand this is through the reconstruction of paleodiet via stable isotope analysis. So far, the subsistence strategy of this population in central Italy remains poorly explored. Stable carbon and nitrogen isotope analyses are presented here on a tota ...[more]

PMID: 34458520

Similar Datasets

Project description:Stable isotope analysis is a powerful tool for dietary modeling and trophic ecology research. A crucial piece of information for isotopic dietary modeling is the accurate estimation of trophic discrimination factors (TDFs), or the isotopic offset between a consumer's tissue and its diet. In order to parameterize stable isotope dietary models for future climate scenarios, we investigated the effect of water temperature and dietary protein and lipid content on TDFs in juvenile Pacific cod (Gadus macrocephalus). Pacific cod are a commercially and ecologically important species, with stock numbers in the northeast Pacific recently having dropped by more than 70%. We tested four water temperatures (6, 8, 10, and 12°C) and two dietary regimens (low and high lipid content), representing a range of potential ocean temperature and prey quality scenarios, in order to determine carbon and nitrogen TDFs in juvenile Pacific cod. Additionally, we assessed dietary intake and proximate composition of the experimental fish in order to estimate consumption, assimilation, and retention of dietary nutrients. The results of this study suggest that dietary protein catabolism is a primary driver of nitrogen TDF variability in juvenile Pacific cod. Across all temperature treatments from 6 to 12°C, fish reared on the lower quality, lower lipid content diet had higher nitrogen TDFs. The mean TDFs for fish raised on the higher lipid, lower protein diet were +3.40 ‰ for nitrogen (Δ15N) and +0.36 ‰ for lipid-corrected carbon (Δ LC 13C). The mean TDFs for fish raised on the lower lipid, higher protein diet were +4.09 ‰ for nitrogen (Δ15N) and 0.00 ‰ for lipid-corrected carbon (Δ LC 13C). Lipid-corrected carbon isotope data showed that, regardless of temperature, fish consuming the lower lipid diet had essentially no trophic discrimination between diet and bulk tissues. We found no ecologically meaningful differences in TDFs due to water temperature across the 6°experimental range. The results of this experiment demonstrate that dietary quality, and more specifically the use of dietary protein for energetic needs, is a primary driver of trophic discrimination factors. The TDFs determined in this study can be applied to understanding trophic ecology in Pacific cod and closely related species under rapidly changing prey availability and ocean temperature conditions.

Dataset Information

Contribution to Longobard dietary studies: Stable carbon and nitrogen isotope data from Castel Trosino (6^th-8^th c. CE, Ascoli Piceno, central Italy).

Publications

Contribution to Longobard dietary studies: Stable carbon and nitrogen isotope data from Castel Trosino (6<sup>th</sup>-8<sup>th</sup> c. CE, Ascoli Piceno, central Italy).

Similar Datasets

OmicsDI is part of the ELIXIR infrastructure

Tweets

Dataset Information

Contribution to Longobard dietary studies: Stable carbon and nitrogen isotope data from Castel Trosino (6th-8th c. CE, Ascoli Piceno, central Italy).

Publications

Contribution to Longobard dietary studies: Stable carbon and nitrogen isotope data from Castel Trosino (6<sup>th</sup>-8<sup>th</sup> c. CE, Ascoli Piceno, central Italy).

Similar Datasets

OmicsDI is part of the ELIXIR infrastructure

Tweets

Contribution to Longobard dietary studies: Stable carbon and nitrogen isotope data from Castel Trosino (6^th-8^th c. CE, Ascoli Piceno, central Italy).