Figure 5

Functional richness as the number of functional groups (FGs) in the experimental setups from the 2nd day of the experiment. The boxplots visually depict the distribution of data by representing the interquartile range with a box, indicating the median with a bold line inside the box, and displaying the minimum and maximum values through whiskers (points outside the whiskers’ range are outliers). Homogenous groups are indicated with different lowercase letters and based on significant differences of the number of FGs among treatments (Tukey’s test, P < 0.05). Abbreviations for experimental setups are specified under Fig. 3, (N = 75).