As shown in Fig. 4 and Table 3, the mean removal efficiencies of
TP were 52.0% and 51.1% for Plots 1 and 2, and no significant difference
was found (p > 0.05). Mean removal rate constants of 95.9 and
91.0 m yr−1 were obtained for Plots 1 and 2, respectively (Table 3).