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Table 4
Diversity; measured by evenness and Shannon indexes, of biofilms at different sampling days D (7, 11 and 15) in experimental larval cultures in flow-through (FT) and recirculating system (RS) for controls (50 larvae mL−1) and treatments (300 larvae mL−1).
| Experiment | Biofilm D7 | Biofilm D11 | Biofilm D15 | Seawater D15 |
|---|---|---|---|---|
| Evenness index | ||||
| FT50 | 0.068 | 0.223 | 0.155 | 0.162 |
| FT300 | 0.098 | 0.209 | 0.276 | 0.235 |
| RS50 | 0.100 | No data | 0.126 | 0.106 |
| RS300 | 0.111 | 0.096 | 0.282 | 0.159 |
| Shannon index | ||||
| FT50 | 3.15 | 4.06 | 4.80 | 4.72 |
| FT300 | 3.13 | 4.90 | 5.73 | 5.32 |
| RS50 | 3.85 | No data | 3.83 | 4.04 |
| RS300 | 3.55 | 3.61 | 4.97 | 4.67 |
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