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Description and comparison of the eight samples analyzed by Sogin et al. (27). The dendrogram to the left represents the similarity of the samples based on the membership-based Jaccard coefficient calculated using Chao1 estimated richness values. The dendrogram on the right represents the similarity of the samples based on the structure-based θYC coefficient. The distance from the tip of the dendrogram to the root is 0.50 for both trees.
