Figure 2. Stable isotope values of Collembola and Oribatida in drought and control treatment.

Mean (±95% confidence interval) Δ¹³C values in control and drought treatments (roof) for two species of Oribatida (Scheloribates laevigatus, Tectocepheus sarekensis) and four Collembola taxa (Isotoma caerulea, Isotomurus maculatus, Orchesella villosa, Mesaphorura sp.); for statistical analysis see Table 3.