Fig. 2From: Water quality assessment in the “German River of the years 2014/2015”: how a case study on the impact of a storm water sedimentation basin displayed impairment of fish health in the Argen River (Southern Germany)Histopathological classification of gills, liver, and kidney in rainbow trout (a), barbel (b), loach (c), and European bullhead (d) from the investigated field sites on the Argen River. Results are presented as the frequency (%) of given evaluation classes for each fish species and organ. Likelihood ratio tests revealed no significant (*p < α = 0.05) differences between the sampling sitesBack to article page