Fig. 2: Changes in the relative abundance of microbial taxa by soil layer during extended thaw incubation.

Relative abundance (mean %) of dominant bacterial phyla and archaea within the (A) active-layer microbiome, (B) transition-zone microbiome, and (C) permafrost microbiome derived from the 16S rRNA amplicon sequence variants (ASVs). Pseudomonadota (formerly Proteobacteria) are resolved to the class level.