Fig. 1: Diversity and composition of bacterial communities vary by terrestrial ecosystems and ecotypes across the US. | Nature Communications

Fig. 1: Diversity and composition of bacterial communities vary by terrestrial ecosystems and ecotypes across the US.

From: Differential roles of deterministic and stochastic processes in structuring soil bacterial ecotypes across terrestrial ecosystems

Fig. 1

a The maximum likelihood phylogenetic tree of 3158 OTUs constructed using 16S rRNA gene sequences with 1000 bootstraps. The tree is rooted by midpoint and the branches are color-coded by the phylum that each OTU represents. The outer annotation indicates the relative abundance of OTUs. b Ridge plot showing the bacterial diversity indicated by Shannon-Wiener diversity index compared among ecosystems, sorted by median. Kruskal-Wallis (KW) P < 0.05 indicates a significant difference. c Distribution of soil bacterial diversity across the US. Circles are color-coded by ecosystems and circle size is proportional to Shannon-Wiener diversity index. d Bubble plot showing the mean relative abundance of phyla significantly different among ecosystems (adjusted KW P < 0.05). Mean relative abundance of each phylum was standardized to enhance ecosystem comparison, so circle sizes do not reflect true values. e Enrichment analysis for the phyla composition for each ecotype. The circle size denotes the number of OTUs representing a phylum for a given ecotype. Phyla with an enrichment index > 2 and < −2 indicates significant overrepresentation and underrepresentation within each ecotype, respectively.

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