title: Chemical elements in Perna perna mussels as a tool to support the economic value of traditional fishing communities
abstract: The concentrations of chemical elements (Al, As, Ca, Cd, Cr, Cu, Fe, K, Li, Mg, Mn, Na, Ni, Pb, Ti, and Zn) in the shell and soft tissue of the mussel Perna perna (L. 1758) are used to determine the individuals’ geographic origin. Additionally, a mineralogical analysis of shell is presented to confirm its primary crystalline structure. Mussels were sampled in Rio de Janeiro State, southeastern Brazil, from five geographically close sites. The COVID-19 pandemic served as a temporal reference for 
journal: Contribuciones a las Ciencias Sociales