Figure 2A (fluence response)

Fluence rate experiment at light intensities of 0 μmol m⁻² s⁻¹, 20 μmol m⁻² s⁻¹, 40 μmol m⁻² s⁻¹, 60 μmol m⁻² s⁻¹, and 100 μmol m⁻² s⁻¹.