Fig. 4

The spectral mass absorption cross-section \({\mathrm{A}}_{\mathrm{abs},\uplambda }\) of H. pluvialis during sudden nitrogen starvation of batch culture exposed to PFD of 250 µmol_hν m⁻² s⁻¹ with initial biomass concentration \({\mathrm{C}}_{{\mathrm{x}}_{0}}\) equal to 0.52 kg m⁻³ as a function of wavelength λ. Data shown as mean ± SD, n = 3