Table 3 Factor loading matrix of investigated variables for Chlorophyta
From: Nitrogen and phosphorus stress as a tool to induce lipid production in microalgae
Variable | PC 1 | PC 2 | PC 3 | PC 4 |
|---|---|---|---|---|
Light Intensity, µmol photons m− 2 s− 1 | -0.14 | 0.83 | -0.07 | 0.35 |
Cultivation Time, day | 0.18 | -0.49 | 0.49 | 0.12 |
Lipid Content, % DW | 0.50 | 0.39 | 0.26 | -0.58 |
Lipid Productivity, mg L− 1 day− 1 | -0.09 | 0.72 | 0.21 | -0.20 |
Total Nitrogen, as NO3-N g L− 1 | -0.85 | -0.14 | -0.27 | -0.12 |
Total Phosphorus, as PO4-P g L− 1 | 0.25 | -0.07 | -0.81 | -0.25 |
N:P | -0.89 | -0.11 | 0.30 | -0.20 |
Total variance, % | 29.35 | 23.62 | 18.92 | 12.04 |