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

Figure 6

Effects of different concentrations of Cd²⁺ (0, 5, 10, 20, 40, 80 μmol L⁻¹) on contents of N (a) and P (b) of U. prolifera and U. linza.

(a)

(b)