Tankar kring Torsk : Isotopanalyser av torskkotor för att undersöka vikten av torskimport i medeltida Sverige

This essay discusses the import of cod (Gadus morhua) in Sweden during the Middle Ages through isotope analysis of cod vertebrae. The isotope analysis is used to trace the cods origin to either the Baltic Sea or the Atlantic Ocean. The bones were subjected to d13C, d15N and d34S analysis; 64 of the...

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Bibliographic Details
Main Author: Krooks, Beatrice
Format: Bachelor Thesis
Language:Swedish
Published: Stockholms universitet, Arkeologiska forskningslaboratoriet 2013
Subjects:
Torsk
isotop
isotopanalys
medeltid
Kring
Vikten
atlantic cod
Gadus morhua
Online Access:http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-104102
Description
Summary:This essay discusses the import of cod (Gadus morhua) in Sweden during the Middle Ages through isotope analysis of cod vertebrae. The isotope analysis is used to trace the cods origin to either the Baltic Sea or the Atlantic Ocean. The bones were subjected to d13C, d15N and d34S analysis; 64 of the analyzed bones met the quality criteria. The isotop data showed that import of Atlantic cod was significant in medeval Sweden. The analysis suggests that there is no specific time or event that the sites start to import cod but this varies from site to site.

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