Table 2.
Effects of different concentrations of heavy metals and pentachlorophenol (Pent.) on the compensation points (CP, μmol m-2 s-1) of photosynthesis in C. reinhardtii after 24 h exposure.
| Concentration, | Substances | ||||
| mg l-1 | Copper | Nickel | Lead | Zinc | Pent. |
| 0.0 | 118 | 118 | 118 | 118 | 118 |
| 0.1 | 162 | 126 | 61 | 88 | 19 |
| 0.5 | 366 | 165 | 48 | 85 | 48 |
| 1.0 | 579 | 132 | 48 | 98 | 29 |
| 1.5 | 579 | 192 | 38 | 83 | |
| 2.0 | 579 | 105 | 98 | 108 | |
| 5.0 | 21 | ||||
| 10.0 | 31 | ||||
| R | 0.87 | 0.45 | 0.58 | ||
R - coefficient of correlation between increasing concentrations of the substances tested and the CPs. Absolute values of R below 0.15 are not shown.