espèce (1) charge polluante (1) pollution (1) métal (1) golfe (1) poisson (1) différenciation (1) ordre (1) Differentiation (1) Environmental conditions (1) Environmental conditions (1) Thracian Sea (1) Variations (1) Tissues (1) Straits (1) Species (1) Rest (1) Pollution (1) Order (1) Li (1) Indicators (Biology) (1) Fishes (1) European pilchard (1) Engraulis encrasicolus (1) Anchovies (1) Sources (1) Sources (1) Areas (1) Number (1)