Table 2 Light saturation curve parameters fitted to the rapid light curve and qP recovery (ΔqP) after rapid light curve
Species | P. tricornutum | N. oceanica | ||||||
|---|---|---|---|---|---|---|---|---|
Treatment | N+ | N− | A | A+W | N+ | N− | A | A+W |
Maximum photosynthesis (Pmax) | 9.81 (± 0.64) | 7.36 (± 0.21) | 9.20 (± 0.21) | 9.20 (± 0.64) | 16.18 (± 0.92) | 7.48 (± 0.12) | 14.72 (± 0.64) | 15.08 (± 0.21) |
Optimum light (µmol m−2 s−1) | 213 (± 2) | 125 (± 6) | 167 (± 3) | 169 (± 16) | 342 (± 8) | 152 (± 2) | 304 (± 8) | 316 (± 6) |
Maximum photosynthetic efficiency (α) | 0.13 (± 0.01) | 0.16 (± 0.01) | 0.15 (± 0.01) | 0.15 (± 0.01) | 0.13 (± 0.01) | 0.13 (± 0.01) | 0.13 (± 0.01) | 0.13 (± 0.00) |
r coefficient | 0.94 | 0.97 | 0.96 | 0.97 | 0.95 | 0.94 | 0.95 | 0.95 |
ΔqP | 0.10 | 0.03 | 0.08 | 0.03 | 0.0006 | 0.006 | 0.009 | 0.005 |