Abstract A big fertilizer industrial complex and a vast extension of phosphogypsum piles (12 km2), sited in the estuary formed by the Odiel and Tinto river mouths (south-west of Spain), are producing an unambiguous radioactive impact in their sourrounding aquatic environment, through radionuclides from the U-series. The levels and distribution of radionuclides in the different water Read more about Radioecological study of an estuarine system located in the south of Spain[…]