Habitat, trophic levels and migration patterns of the short-finned squid Illex argentinus from stable isotope analysis of beak regions

• Published in: Polar Biology
• Main Authors: Queirós, José P, Phillips, Richard A., Baeta, Alexandra, Abreu, José P, Xavier, Jose C.
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: Springer 2019
• Subjects: Antarctic; Bird Island; The Antarctic; Antarc*; Polar Biology
• Online Access: http://nora.nerc.ac.uk/id/eprint/522087/; https://doi.org/10.1007/s00300-019-02598-x

Illex argentinus is an ecologically and economically important species, assumed to be restricted to the Patagonian Shelf and around the subtropical convergence. Beaks found in diet samples from black-browed albatrosses Thalassarche melanophris during chick rearing initially suggested that it may als...