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Number of operational taxonomic units (OTUs) and Shannon–Wiener diversity index obtained from bacterial 16S rRNA gene amplicons from biofilms from different materials exposed in the microcosm.
| Material | Observed number of OTUs | Shannon–Wiener diversity index |
|---|---|---|
| Latex | 452 | 4.15 |
| PE | 189 | 2.02 |
| PP | 428 | 4.07 |
| PS | 420 | 5.02 |
| Rope | 307 | 3.05 |
| Biofilm from steel | 390 | 3.49 |
