16S rRNA	16S Ribosomal RNA Gene
V	Hypervariable Region
C	Conserved Region
NGS	Next-Generation Sequencing
IUCN	The International Union for Conservation of Nature
OTUs	Operational Taxonomic Units
PD	Faith’s Phylogenetic Diversity
PCoA	Principal Coordinate Analysis
LDA	Linear Discriminant Analysis
LEfSe	Linear Discriminant Analysis Effect Size
PICRUSt	Phylogenetic Investigation of Communities by Reconstruction of Unobserved States
KEGG	Kyoto Encyclopedia of Genes and Genomes