Table 6 Photosynthetic responses of experimental specimens of M. stellatus and C. crispus: amplitudes of the maximum quantum yield (F_v/F_m) for the high-light stress phase and the recovery phase of thallus branches collected on four sampling events (October 2011, March 2012, May 2012 and August 2012)

0.124 ± 0.026^c

0.059 ± 0.014^a

0.181 ± 0.023^a

0.193 ± 0.026^b

0.197 ± 0.024^b

0.044 ± 0.017^a

0.234 ± 0.027^a

0.112 ± 0.026^c

0.292 ± 0.033^a

0.038 ± 0.011^a

0.219 ± 0.027^a

0.270 ± 0.035^a

0.135 ± 0.028

0.024 ± 0.013

0.069 ± 0.022

0.080 ± 0.036

0.200 ± 0.024

0.035 ± 0.013

0.188 ± 0.028

0.081 ± 0.025

0.128 ± 0.063

0.024 ± 0.007

0.145 ± 0.024

0.191 ± 0.048