Photosynthetic Physiological Response of Porphyra yezoensis to Light Change at Different CO2 Concentrations

The effect of different CO2 concentrations and their subsequent light changes on the photosynthetic characteristics Porphyra yezoensis are not well understood. relationship between availability to physiological traits thalli could help understand response adaptation mechanisms P. extreme weather changes. In this study, at was determined. Under low intensity, high concentration promoted relative growth rate (RGR) by 22.79% compared that ambient treatment. net phycoerythrin (PE) content under were also significantly greater than those treatment therapy. exacerbated inhibitory RGR thalli. PE reduced 12.53% 14.06% elevated a respectively. Furthermore, decreased when intensity rapidly reduced, especially simultaneously concentrations. These findings indicate increased yezoensis. addition, study provides theoretical basis for mechanism