Abstract

Archaeological research on the Canadian island of Newfoundland increasingly demonstrates that the island’s subarctic climate and paucity of terrestrial food resources did not restrict past Pre-Inuit (Dorset) and Native American (Beothuk) hunter-gatherer populations to a single subsistence pattern. This study first sought to characterize hunter-gatherer diets over the past 1500 years; and second, to assess the impact of European colonization on Beothuk lifeways by comparing the bone chemistry of Beothuk skeletal remains before and after the intensification of European settlement in the early 18th century. We employed radiocarbon dating and stable carbon and nitrogen isotope ratio analysis of bulk bone collagen from both Dorset (n = 9) and Beothuk (n = 13) cultures, including a naturally mummified 17th century Beothuk individual. Carbon and nitrogen isotope analysis of 108 faunal samples from Dorset and Beothuk archaeological sites around the island were used as a dietary baseline for the humans. We combined our results with previously published isotope data and radiocarbon dates from Dorset (n = 12) and Beothuk (n = 18) individuals and conducted a palaeodietary analysis using Bayesian modelling, cluster analysis and comparative statistical tests. Dorset diets featured more marine protein than those of the Beothuk, and the diets of Beothuk after the 18th century featured less high trophic level marine protein than those of individuals predating the 18th century. Despite inhabiting the same island, Dorset and Beothuk cultures employed markedly different dietary strategies, consistent with interpretations of other archaeological data. Significantly, European colonization had a profound effect on Beothuk lifeways, as in response to the increasing European presence on the coast, the Beothuk relied more extensively on the limited resources of the island’s boreal forests and rivers.

Highlights

  • The addition of stable isotope ratio analysis to the study of coastal hunter-gatherer lifeways has garnered fresh evidence for subsistence and land use patterns, and has validated research hypotheses informed by ethnographic and ethnohistoric sources [1]

  • Skeletal remains affiliated with Native American and Pre-Inuit cultures have been recovered from the island of Newfoundland and analysed from a morphometric perspective [9,10], but stable isotope-based approaches have been underutilized in the study of human subsistence on the island

  • The isotopic results from the analysis of human and faunal remains affiliated with the did not restrict past Pre-Inuit (Dorset) and the Beothuk cultures served to better characterize the diets of Newfoundland’s huntergatherers and validated current hypotheses of human subsistence rooted in ethnohistoric and archaeological research

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Summary

Introduction

The addition of stable isotope ratio analysis to the study of coastal hunter-gatherer lifeways has garnered fresh evidence for subsistence and land use patterns, and has validated research hypotheses informed by ethnographic and ethnohistoric sources [1]. Previous ancient DNA studies of the Pre-Inuit Dorset population and Beothuk people have produced stable isotope data for the purpose of calibrating radiocarbon dates, but the potential of the isotope data for investigating past subsistence practices on the island has not yet been thoroughly explored [11,12]. This is unfortunate as the boreal ecology of the island and the archaeological evidence for human subsistence make it an ideal context for the use of stable isotope ratio analysis to investigate the relative contributions of marine and terrestrial foods to hunter-gatherer diets.

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