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Figure 2


Fig. 2. Parameters used to characterize the light response. An asymmetrical growth curve (Gompertz equation) was fitted to the accumulated original data from the luminometer recordings. L, cumulative value of light emitted (q s s–1); Ltot, the total amount of light (q s–1); RLPmax, rate of light production (q s–2) at inflection point (ip) and tip, time to the inflection point (s).