Physiological and Biochemical Responses of Ulva prolifera and Ulva linza to Cadmium Stress

Figure 4

Effects of different concentrations of Cd²⁺ (0, 5, 10, 20, 40, and 80  μmol L⁻¹) on chlorophyll content (a) and carotenoid content (b) in U. prolifera and U. linza.

(a)

(b)