Ecotoxicity of metal mixtures to aquatic communities: something from nothing? Ghent University
Chemical contamination is still a likely reason for EU waterbodies not to reach a U+201Cood ecological
statusU+201D However, risk assessment of contaminated waterbodies is mainly focused on a substanceby-
substance basis, while mixed contamination is the rule rather than the exception. This is
definitively the case for toxic trace metals such as zinc, nickel and copper, which often occur close to
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