Table 1. Correlation coefficients between biomass and physiological parameters under salt stress of different durations.

Biomass under different stress durations		OD680	Carbohydrate concentration	Total lipid concentration	Adding NaCl concentration
B_6	Pearson correlation	0.822*	0.829*	0.607	−0.894
	Significance (bilateral)	0.045	0.041	0.201	0.016
B_12	Pearson correlation	0.900*	0.787	0.578	−0.736
	Significance (bilateral)	0.014	0.063	0.229	0.096
B_18	Pearson correlation	0.833*	0.905*	0.79	−0.827
	Significance (bilateral)	0.040	0.013	0.061	0.042
B_24	Pearson correlation	0.904*	0.909*	0.62	−0.935
	Significance (bilateral)	0.013	0.012	0.189	0.006

Notes.

^*P < 0.05. B_6 indicates the biomass on day 6, and so forth.