Fine scale distribution constrains cadmium accumulation rates in two geographical groups of Franciscana dolphin from Argentina.

Highlights: [•] Fine scale distribution of two Argentine stocks constrains the Cd accumulation rates. [•] Cadmium levels and accumulation patterns were different between geographic groups. [•] Marine diet has a major influence than the impact degree of origin environment. [•] Engraulis anchoita is the main Cd vector species in Argentine shelf for Franciscana. [•] Information is valuable for the conservation of Franciscana, a vulnerable species. [Copyright &y& Elsevier]