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Table 3 Observed richness and diversity indices for soil samples based on 16S rRNA gene sequence assignments with a 97% sequence similarity threshold, rarefied to 1,000 sequence reads ( n= 48)

From: Colonization patterns of soil microbial communities in the Atacama Desert

Samples OTU0.03observed richness Shannon index estimated diversity Faith’s phylogenetic diversity index Chao 1 diversity estimate Pielou’s evenness index
KEV 69 2.6 3.1 134 0.42
BEA 99 4.3 5.7 157 0.64
AND 83 3.8 5.3 164 0.59
AC 163 5.9 9.6 244 0.80
AL 330 7.5 15.9 508 0.89
CH 282 7.0 14.5 396 0.85
  1. Analysis using datasets of equal size subsampled at 1,000 sequence reads; average of 10 iterations.
  2. OTU, operational taxonomic units.