“…These accumulated elements are a source of contaminants, releasing trace elements through chemical and biological processes 3,4,5 . In addition, due to bioaccumulation in the food chain, they could affect human health 6,7,8,9,10 . Some previous works have evaluated the quality of aquatic systems through marine sediments, con rming that a high level of heavy metals can become a great problem for the health of the seas 1,11,12,13,14,15,16,17,18 .…”