Tracing 600 years of long-distance Atlantic cod trade in medieval and post-medieval Oslo using stable isotopes and ancient DNA.

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Version: Final published version
License: CC BY 4.0
Serval ID
serval:BIB_5308DB652821
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Tracing 600 years of long-distance Atlantic cod trade in medieval and post-medieval Oslo using stable isotopes and ancient DNA.
Journal
Proceedings. Biological sciences
Author(s)
Martínez-García L., Pulido A., Ferrari G., Hufthammer A.K., Vedeler M., Hirons A., Kneale C., Barrett J.H., Star B.
ISSN
1471-2954 (Electronic)
ISSN-L
0962-8452
Publication state
Published
Issued date
11/2024
Peer-reviewed
Oui
Volume
291
Number
2035
Pages
20242019
Language
english
Notes
Publication types: Journal Article ; Historical Article
Publication Status: ppublish
Abstract
Marine resources have been important for the survival and economic development of coastal human communities across northern Europe for millennia. Knowledge of the origin of such historic resources can provide key insights into fishing practices and the spatial extent of trade networks. Here, we combine ancient DNA and stable isotopes (δ <sup>13</sup> C, δ <sup>15</sup> N, non-exchangeable δ <sup>2</sup> H and δ <sup>34</sup> S) to investigate the geographical origin of archaeological cod remains in Oslo from the eleventh to seventeenth centuries CE. Our findings provide genetic evidence that Atlantic cod was obtained from different geographical populations, including a variety of distant-water populations like northern Norway and possibly Iceland. Evidence for such long-distance cod trade is already observed from the eleventh century, contrasting with archaeological and historical evidence from Britain and other areas of Continental Europe around the North and Baltic Seas, where such trade increased during the thirteenth to fourteenth centuries. The genomic assignments of specimens to different populations coincide with significantly different δ <sup>13</sup> C values between those same specimens, indicating that multiple Atlantic cod populations living in different environments were exploited. This research provides novel information about the exploitation timeline of specific Atlantic cod stocks and highlights the utility of combining ancient DNA (aDNA) methods and stable isotope analysis to describe the development of medieval and post-medieval marine fisheries.
Keywords
Gadus morhua/genetics, DNA, Ancient/analysis, Norway, Animals, History, Medieval, Carbon Isotopes/analysis, Fisheries, Nitrogen Isotopes/analysis, Archaeology, History, 17th Century, aDNA, cod trade, historical fisheries, long-distance fish trade, stable isotopes
Pubmed
Open Access
Yes
Create date
02/12/2024 14:29
Last modification date
21/01/2025 7:19
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