Table 1.

The Chl content of P. cruentum cells during nitrogen starvation, and the cell densities in each samples used in PAM measurement (n = 3).

Time (days)	Chl per cell ( × 10−7 μg)	Cell density ( × 106 ml−1)
0	4.35 ± 0.31	1.20 ± 0.08
5	3.76 ± 0.25	1.31 ± 0.06
10	3.44 ± 0.17	1.51 ± 0.11
15	2.75 ± 0.08	1.80 ± 0.10
20	2.66 ± 0.15	1.87 ± 0.11