Figure 1

Boxplots of selected diversity indices. Results of GLM-ANOVA analyses: Evenness: F_2,9 = 4.3, P = 0.049; Richness: F_2,9 = 0.32, P = 0.734; Shannon: F_2,9 = 4.38, P = 0.047; Fisher: F_2,9 = 0.59, P = 0.573. Cont: Control; Ecol: E. coli DH5α; Subt: P. rubra SubTr2.