Table 3.

Mean and standard deviation (Sd) of a*_ph (λ;m⁻¹) at five wavelengths from this study and from the literature values (Vaillancourt et al.³²; Clementson and Wojtasiewicz⁴⁰; Sathyendranath et al.⁵²; Ciotti et al.⁵³; Stuart et al.⁵⁴).

Wavelength (nm)	Haptophytes		Diatoms		Dinoflagellates		Prasinophytes
	PLOPS N = 19	Literature N = 6	PLOPS N = 21	Literature N = 18	PLOPS N = 10	Literature N = 8	PLOPS N = 9	Literature N = 9
	Mean ± Sd	Mean ± Sd	Mean ± Sd	Mean ± Sd	Mean ± Sd	Mean ± Sd	Mean ± Sd	Mean ± Sd
a*ph(443)	0.030 ± 0.012	0.033 ± 0.020	0.020 ± 0.009	0.028 ± 0.010	0.017 ± 0.003	0.022 ± 0.006	0.026 ± 0.015	0.053 ± 0.050
a*ph(490)	0.022 ± 0.010	0.016 ± 0.007	0.013 ± 0.005	0.020 ± 0.008	0.014 ± 0.002	0.018 ± 0.004	0.020 ± 0.009	0.038 ± 0.037
a*ph(550)	0.006 ± 0.002	0.005 ± 0.001	0.006 ± 0.001	0.009 ± 0.004	0.007 ± 0.002	0.009 ± 0.002	0.004 ± 0.002	0.008 ± 0.007
a*ph(555)	0.006 ± 0.002	0.004 ± 0.001	0.005 ± 0.001	0.008 ± 0.004	0.006 ± 0.002	0.008 ± 0.002	0.004 ± 0.002	0.008 ± 0.008
a*ph(676)	0.016 ± 0.005	0.015 ± 0.008	0.013 ± 0.005	0.017 ± 0.006	0.013 ± 0.002	0.013 ± 0.003	0.016 ± 0.005	0.030 ± 0.030

N is the number of data points used to compute the average values.