Figure 3: Relative proportions (±s.d.) of hybridized cells in Lake Maggiore in 2011 (Ghiffa sampling station) for Bacteria (probe EUB I–III), Archaea (probe ARC915), and Thaumarchaea of the Marine Group I (probe MGI-535) at 200 m (a) and 350 m (b). Boxplot of hybridization rates (c) for the same samples (Ghiffa station, 2011). Whiskers indicate Tukey’s 1.5 IQR. Significant differences in mean between 200 m and 350 m were detected for ARC915 () and EUB I–III ().