Table 1.
Classification of membrane samples, yield of DNA and total number of OTUs per sample
| Sample ID | Condition | Location | Extraction replication | Yield of DNA (ng/µL) | Total number of OTUs |
|---|---|---|---|---|---|
| 14 | Clean | Feed end | 104.3 | 263012 | |
| 14MID | Clean | Middle | 102.4 | 78457 | |
| 14MIDF | Clean | Mid-feed end | 46.1 | 232817 | |
| 14MIDFb | Clean | Mid-feed end | 220.4 | 102199 | |
| 14NF | Clean | Reject end | 170.1 | 90239 | |
| 3-2TF | Clean | 136 | 112542 | ||
| 4-2TF | Clean | 94.3 | 89422 | ||
| 6-4TF | Clean | 74.4 | 51237 | ||
| 10-2BF | Average (moderately fouled) | 249.6 | 472899 | ||
| 11-2BF | Average (moderately fouled) | 74.5 | 245562 | ||
| 2-1TF | Average (moderately fouled) | 174.2 | 95910 | ||
| 1-1TF | Dirty (severely fouled) | 148.7 | 133766 | ||
| 8-1BF | Dirty (severely fouled) | 49.7 | 180978 | ||
| 9A | Dirty (severely fouled) | Feed end | Fouled membrane | 52.2 | 570673 |
| 9B | Dirty (severely fouled) | Fouled membrane | 52.9 | 184556 | |
| 9C | Dirty (severely fouled) | Fouled membrane | 154.7 | 498320 | |
| 9MID | Dirty (severely fouled) | Middle | 179.5 | 216617 | |
| 9MIDF | Dirty (severely fouled) | Mid-feed end | 136.5 | 208750 | |
| 9NF | Dirty (severely fouled) | Reject end | 95.3 | 229328 | |
| CA | Unused | Control | 30.9 | 395766 | |
| CB | Unused | Control | 38.3 | 245542 | |
| CC | Unused | Control | 62.1 | 459179 |