High-resolution compound-specific δ15N isotope dietary study of humans from the Scottish Mesolithic and Neolithic

IF 1.5 3区地球科学 0 ARCHAEOLOGY

Archaeometry Pub Date : 2025-04-24 DOI:10.1111/arcm.13089

Valentina Martinoia, Oliver E. Craig, Sophy Charlton, Kate Britton, Alison Sheridan, Annie Bones, Helen Talbot, Rebecca MacDonald, Michael Richards

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Abstract

Numerous isotopic studies of Scottish Mesolithic and Neolithic diets suggest a shift from marine-based to terrestrial-based subsistence strategies. However, bulk collagen isotope analysis may overlook low-level marine food consumption. This study combines bulk collagen stable isotope data from four Neolithic sites (Quanterness, Rattar East, Ness of Brodgar, and Knap of Howar) with nitrogen compound-specific isotope analysis (CSIA-AA) from one Late Mesolithic and five Neolithic sites. CSIA-AA, applied here for the first time to Scottish material, reveals limited but detectable aquatic resource use by some Neolithic individuals in Orkney. These findings highlight the complexities in identifying marine contributions to diet and underscore the value of CSIA-AA in distinguishing direct marine consumption from other sources of elevated nitrogen isotope values, such as seaweed or animals with marine-influenced diets.

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苏格兰中石器时代和新石器时代人类高分辨率化合物特异性δ15N同位素饮食研究

对苏格兰中石器时代和新石器时代饮食的大量同位素研究表明，生存策略从以海洋为基础转向以陆地为基础。然而，大量胶原同位素分析可能忽略了低水平的海洋食物消耗。本研究结合了4个新石器时代遗址（Quanterness、Rattar East、Ness of Brodgar和Knap of Howar）的胶原蛋白稳定同位素数据，以及1个晚中石器时代和5个新石器时代遗址的氮化合物特异性同位素分析（CSIA-AA）。CSIA-AA首次应用于苏格兰材料，揭示了奥克尼一些新石器时代个体对水生资源的有限但可检测的利用。这些发现突出了确定海洋对饮食贡献的复杂性，并强调了CSIA-AA在区分直接海洋消费与其他氮同位素值升高来源（如海藻或海洋影响饮食的动物）方面的价值。

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来源期刊

Archaeometry 地学-地球科学综合

CiteScore

3.60

自引率

12.50%

发文量

105

审稿时长

6 months

期刊介绍： Archaeometry is an international research journal covering the application of the physical and biological sciences to archaeology, anthropology and art history. Topics covered include dating methods, artifact studies, mathematical methods, remote sensing techniques, conservation science, environmental reconstruction, biological anthropology and archaeological theory. Papers are expected to have a clear archaeological, anthropological or art historical context, be of the highest scientific standards, and to present data of international relevance. The journal is published on behalf of the Research Laboratory for Archaeology and the History of Art, Oxford University, in association with Gesellschaft für Naturwissenschaftliche Archäologie, ARCHAEOMETRIE, the Society for Archaeological Sciences (SAS), and Associazione Italian di Archeometria.