Table 2.
Changes of cell density during the shipboard microcosm experiments with the water collected from Kuroshio Current, North Pacific Sub-polar Gyre (SPG), and North Pacific Sub-tropical Gyre (STG) in western North Pacific Ocean during the KH-14-2 cruise in May–June 2014.
| Time sampled after the initiation of the culture | Cell density (× 105/ml) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Kuroshio Current | North Pacific Sub-polar Gyre (SPG) | North Pacific Sub-tropical Gyre (STG) | ||||||||
| Surface | Surface | Chlo. Max. | Surface | Chlo. Max. | ||||||
| Control | Treated | Control | Treated | Control | Treated | Control | Treated | Control | Treated | |
| 0 h (NF) | 7.10 | 6.37 | 5.95 | 3.53 | 4.21 | |||||
| 12 h | 6.36 | 7.72 | 5.70 | 5.58 | 5.88 | 6.25 | 3.18 | 3.61 | 2.78 | 2.88 |
| 24 h | 10.85 | 13.07 | 6.14 | 5.15 | 6.16 | 5.24 | 3.96 | 4.07 | 3.20 | 3.16 |
| 36 h | 14.81 | 38.25 | ND | ND | ND | ND | 2.74 | 51.74 | 7.04 | 45.63 |
| 48 h | 16.45 | 84.43 | 6.89 | 5.82 | 6.61 | 7.49 | 2.51 | 68.67 | 6.06 | 43.54 |
| 60 h | 32.22 | 119.62 | ND | ND | ND | ND | 3.43 | 79.62 | 5.54 | 50.63 |
| 72 h | ND | 187.70 | 7.82 | 7.14 | 7.75 | 7.75 | 2.57 | 93.53 | 4.93 | 50.21 |
| 96 h | ND | ND | 10.32 | 20.13 | 8.48 | 8.31 | 3.10 | 82.85 | 5.70 | 66.92 |
| 120 h | ND | ND | 4.44 | 8.36 | 9.56 | 10.37 | ND | ND | ND | ND |
Chlo. Max. chlorophyll-a maximum, NF not filtrated, ND no data.