"Total samples";48 "Sample Sites";"HP sediment (n = 9)" "HP water (n = 8)" "SVP sediment (n = 16)" "SVP water (n = 15)" "Total raw reads";11,623,231 "Total reads, passed filter";7,653,541 "Raw reads per sample (mean)";"242,151 (± 11,768)" "Reads per sample, passed filter (mean)";"159,449 (± 11,768)" "Percent reads passed filter";64.1% "Unique ASVs, pre-filter";27,567 "Unique ASVs, contaminants removed";27,328 "Total ASVs removed by DECONTAM";239