Research Article
Bacterial Communities in Polluted Seabed Sediments: A Molecular Biology Assay in Leghorn Harbor
Table 2
Alpha diversity indices for the two samples at different cutoff values.
| Sample | cutoff | Observed richness (OTUs) | Chao 1 estimator | Shannon index |
| 1.2 | 0.01 | 82 | 667,2 | 4,36 | 0.03 | 75 | 258,3 | 4,24 | 0.05 | 71 | 193,8 | 4,17 |
| 2.1 | 0.01 | 80 | 620,2 | 4,33 | 0.03 | 75 | 306,1 | 4,24 | 0.05 | 68 | 239,1 | 4,07 |
|
|