Figure 3 from: Gutjahr S, Schmidt S, Hahn H (2014) A proposal for a groundwater habitat classification at local scale. Subterranean Biology 14: 25-49. https://doi.org/10.3897/subtbiol.14.5429

Figure 3 - Standard deviations of environmental factors for each of the ecological groups. a Temperature [I =Stressed, II = GWstable, III = GWrainfed (recharged by precipitation), IV = GWswb (surface water body-recharged), V = Hyporheic] b DO-concentration, and c) detritus contents (estimated). Box = Interquartile range, vertical black bar = median; whiskers showing the lowest and highest non-outlier. Circles showing outliers and stars extreme outliers.