Table 5 Factor loads matrix of studied variables for marine and freshwater (and terrestrial) microalgae
From: Nitrogen and phosphorus stress as a tool to induce lipid production in microalgae
Variable | Marine | Freshwater and terrestrial | ||||||
|---|---|---|---|---|---|---|---|---|
PC 1 | PC 2 | PC 3 | РС 4 | PC 1 | PC 2 | PC 3 | РС 4 | |
Light Intensity, µmol photons m− 2 s− 1 | 0.09 | -0.49 | 0.67 | -0.02 | 0.73 | 0.24 | -0.12 | 0.16 |
Cultivation Time, day | -0.69 | -0.14 | -0.51 | 0.31 | 0.11 | -0.33 | 0.39 | -0.67 |
Lipid Content, % DW | -0.79 | 0.35 | -0.08 | -0.43 | 0.82 | 0.24 | -0.001 | -0.24 |
Lipid Productivity, mg L− 1 day− 1 | -0.84 | -0.05 | 0.05 | -0.03 | 0.85 | 0.24 | -0.27 | -0.16 |
Total Nitrogen, as NO3-N g L− 1 | -0.18 | -0.86 | -0.08 | -0.11 | -0.48 | -0.06 | -0.73 | -0.22 |
Total Phosphorus, as PO4-P g L− 1 | 0.45 | -0.57 | -0.55 | -0.19 | -0.57 | 0.64 | -0.04 | -0.35 |
N:P | -0.71 | -0.44 | 0.29 | 0.12 | 0.22 | -0.85 | -0.26 | -0.12 |
Total variance, % | 36.96 | 24.57 | 16.59 | 8.64 | 38.88 | 21.22 | 13.8 | 12.19 |