Additional file 1 of The hierarchy of multiple stressors’ effects on benthic invertebrates: a case study from the rivers Erft and Niers, Germany

Additional file 1: Supplement S1. Land use characteristics in the catchments. Supplement S2. Correlation with land use variables. Supplement S3. Statistical key parameters of all stressor variables. Supplement S4. Overview of micropollutants. Supplement S5. Description of Indicators of Hydrological Alteration. Supplement S6. Selection of the stream course length for assessing morphological degradation.