PRJDB9082 16S V3-V4 amplicon sequencing In this project, year-round samples were collected from Xining,Qinghai, China, and stored at -20 ?C for DNA extraction and flavor compounds determination. 16S V3-V4 amplicon sequencing bioproject PRJDB9082 PRJDB9082 true In this project, year-round samples were collected from Xining,Qinghai, China, and stored at -20 ?C for DNA extraction and flavor compounds determination.