Abstract
Eco-toxicology represents an important integrative tool of environmental risk assessment. Amphipods is a taxon much recommended for bioassay, but species used are generally from the Atlantic Ocean or the North Sea. None of the Mediterranean species has ever been examined. In an eco-toxicological evaluation of harbour sediment, Corophium orientale, an endemic Mediterranean species, was investigated for suitability to determine sediment quality. Physical–chemical analyses and amphipod bioassays on several contaminated Italian harbour samples were carried out. Two amphipod populations with different sensitivities were used. Microtox ®, a sensitive and reproducible assay procedure, was used in parallel with C. orientale assay in order to ascertain an agreement and/or disagreement between responses. The results of the two bioassay procedures supported the hypothesis that C. orientale, as part of a battery of bioassays, is sensitive to hydro-soluble pollutants contaminating the water column due to dredging activities.
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