Map showing the location of the Pointe Géologie archipelago and all the sampling sites off Adélie Land, Antarctica.

(A) Samples of Adélie penguin, snow petrel and cape petrel were collected on Petrel Island; bald notothen were fished under the sea closed to Bernard Island, Pointe Géologie archipelago. (B) Ice krill, Antarctic krill and Antarctic silverfish were collected off Adélie Land (see the method section for GPS locations). The high-resolution bathymetry of the areas is represented [48].