Table 2. Number of samples used for model development and accuracy assessment, for each biota class.
| Biota class | Number of samples used for model development | Number of samples used for accuracy assessment |
| Mixed Brown algae (MB) | 1107 | 475 |
| Invertebrates (INV) | 11830 | 5070 |
| Mixed Red algae and Invertebrates (MRI) | 1391 | 596 |
| No Visible Biota (NVB) | 11915 | 5107 |
| Mixed Brown algae and Invertebrates (MBI) | 593 | 254 |
| Mixed Brown algae and Mixed Red algae (MBMR) | 62 | 26 |
| Mixed Green algae and Invertebrates (MGI) | 749 | 321 |