Fig. 2From: Determination of biomarkers threshold values and illustration of their use for the diagnostic in large-scale freshwater biomonitoring surveysEnvironmental sites investigated within the DIADeM project. While mussels were caged up and downstream WWTPs of Namur, Charleroi and Charleville Mézières, gammarids were exclusively caged up- and downstream WWTPs of Namur and Bouillon (the figure modified from Catteau et al. [14])Back to article page