title: Biogeochemical and metagenomic analysis of nitrite accumulation in the Gulf of Mexico hypoxic zone: Sample 15m_GOM_Diel_18:30_7_31_2012_16S_V4_Amplicon
design: V4 amplicon amplified using F515 and R817 from Gulf of Mexico (GOM) Station 6 depth 15m on 7_31_2012 at 18:30