Dataset S1. Relative abundance of the OTUs assigned to the genus-level within the Archaea, Bacteria and organelles from Eukaryota detected by 16S rRNA gene amplicon sequencing. The OTUs with less than 0.1% abundance accross all five datasets are not shown. The names of highly abundant genera (â Ľ1% in at least one of the datasets) are shown in bold. (XLSX 24 kb