Fig. 1

Rarefaction curve of the OTU number at 97% similarity cutoff (a) and α diversity index (b) of soil fungal community in control (C) and snow exclusion (SE) plots in the deep snow period (DSP), early thawing period (ETP), and in the middle of the growing season (MGS). * indicated a significant difference between control and snow exclusion on a specific same sampling date. Data shown are mean ± s.e