Figure 1: Total Number of Bacterial, Archaeal, Sulfate-Reducing, and Methanogenic Cells in the Pre-Enrichment Sample (■) Versus Post-Enrichment Samples at Week 4 for GL Enrichments or Week 7 for ZDT and WWT Enrichment (□), Post-Enrichment Samples at Week 8 for GL Enrichments or Week 10 for ZDT and WWT Enrichment , and Post-Enrichment Samples at Week 13 for GL Enrichments or Week 16 for ZDT and WWT Enrichment as Measured by Quantitative PCR.

doi 10.7717/peerj.2803/fig-1