Table 5.
EC50 values for microalgae species exposed to tested toxicants (g L−1).
| Toxin/Exposure | 24-h EC50 | 96-h EC50 | 7-d EC50 |
|---|---|---|---|
| Attheya ussuriensis | |||
| Hexane | – | >52.92 | >57.37 |
| Methanol | – | 77.56 (55.99–132.2) | 40.29 (30–57.48) |
| B0 | >120 | 29.84 (25.19–35.14) | 12.82 (11.39–14.40) |
| B20 | >40 | 10.41 (9.40–11.44) | 0.92 (0.76–1.07) |
| B100 | 19.69 (15.88–24.22) | 9.83 (8.67–11.09) | 0.72 (0.42–1.02) |
| Porphyridium purpureum | |||
| Hexane | – | 10.54 (<19.23) | 41.71 (<64.78) |
| Methanol | – | 13.17 (11.26–15.50) | 16.53 (12.17–21.21) |
| B0 | 35.05 (24.44–50.95) | 20.44 (17.08–23.95) | 12.33 (7.99–16.09) |
| B20 | 2.81 (1.44–4.52) | 8.25 (7.51–9.05) | 5.53 (5.16–5.98) |
| B100 | 7.72 (4.66–18.82) | 9.89 (8.45–11.4) | 6.59 (6.24–6.94) |
| Chaetoceros muelleri | |||
| Hexane | – | 52.70 (46.91–58.09) | 42.79 (42.58–43.00) |
| Methanol | – | >156.2 | >108.1 |
| B0 | >120 | 51.81 (48.27–54.31) | >40 |
| B20 | 10.89 (9.99–11.84) | 6.50 (6.04–6.99) | – |
| B100 | 6.46 (5.98–7.02) | 2.53 (2.19–2.93) | – |
| Heterosigma akashiwo | |||
| Hexane | – | 30.41 (29.89–31.46) | 27.24 (22.07–32.86) |
| Methanol | – | 32.16 (31.26–33.05) | 30.65 (26.28–33.38) |
| B0 | >118.8 | 10.05 (9.01–11.14) | 5.73 (4.75–6.63) |
| B20 | 13.74 (12.55–14.99) | 17.51 (15.46–19.74) | ˜2.40 |
| B100 | 6.24 (5.67–6.84) | ˜3.75 | ˜2.24 |