Fig. 3 in Effects of ski piste preparation on alpine vegetation

Fig. 3. Differences in species composition between ski piste plots and corresponding control plots. Mean differences in the percentage cover of the four functional groups for the four ski piste treatments (ns, ungraded pistes with natural snow; as, ungraded pistes with artificial snow; nsg, graded pistes with natural snow; asg, graded pistes with artificial snow).