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| Days | Diatoms filled with diatomic material (%) | |
|---|---|---|
| Oxic | Anoxic | |
| 1 | 75 ±11 | 91 ±8 |
| 3 | 17 ±10 | 73 ±22 |
| 7 | 0 | 28 ±22 |
| 14 | 0 | 17a |
| 28 | 0 | 47 ±46 |
a: diatoms were present only in 1 of the 3 specimens analyzed, SD could not be calculated.
