Fig. 2From: Assessing the ecological impact of chemical pollution on aquatic ecosystems requires the systematic exploration and evaluation of four lines of evidenceWeight of evidence matrices for 19 sampling sites of the Danube case study, identifiers in the left column. Values indicate 2: CLEAR—clear signal, 1: MID—moderate signal, 0: NO—no signal. Empty boxes indicate missing values. For the derivation of the LOE values see [20]Back to article page