Figure 4 | Scientific Reports

Figure 4

From: Synergistic effect of nitrate exposure and heatwaves on the growth, and metabolic activity of microalgae, Chlamydomonas reinhardtii, and Pseudokirchneriella subcapitata

Figure 4

Interactive effects of nitrate and thermal acclimation treatments on proline concentration per biomass of (A) C. reinhardtii, and (B) P. subcapitata. Coloured lines represent the average proline concentration at different nitrate levels, and error bars represent the standard error. Asterisks represent significant differences between temperatures in overall nitrate levels (with horizontal braces) and between nitrate concentrations in overall temperature (vertical braces in legend) where ** represent p < 0.01 and *represents p < 0.05. Different letters represent significant differences (p < 0.05) in nitrate concentration of the medium within and between different temperatures.

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