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Nonmetric multidimensional scaling (NMDS) plots (environmental variables as vectors) showing differences in fungal community structure (a) and functional gene structure (b) with time since fire. OTUs from 454 pyrosequencing and signal intensity of genes from GeoChip were used to visualize the community structure and functional gene structure, respectively. σ: ■, 2y; |, 42y; ▲, 60y-A; △, 60y-B; ◆, 152y.
