Supplemental methods; map/aerial images (Fig. S1); gel electrophoresis (Fig. S2); PCR (Fig. S3).
PDF, 717K
Four-centimeter-depth interval measurements among environmental sites (Table S1); DNA concentration prior to pyrosequencing and qPCR (Table S2); amplification protocols (Table S3); 16S bacterial sequencing (Table S4); archaeal sequencing (Table S5).
XLSX, 616K