Resumen de Diet and ethnicity during the Viking colonization of northern Scotland: evidence from fish bones and stable carbon isotopes

James H. Barrett, Roelf P. Beukens, Rebecca A. Nicholson

• Diet and ethnicity are strongly related. Recent work on fish-bone ratios and stable carbon isotopes suggest that the Vikings increased the fish contribution to the diet of Orkney and Shetland by a greater investment in deep-sea fishing.