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a The heatmap illustrating phylum level microbial composition on logarithmic scales in Atacama soils from AT-17 sequencing data. b Relative abundance of predicted microbial metabolisms presented as the secondary superclass in MetaCyc classification system. c Hierarchical clustering (Bray-Curtis distance matrix and unweighted pair group method with arithmetic mean algorithm) of microbial compositions at the species level in AT-17 sites. Abbreviations as in Table 3
