562081.fig.002a
(a)
562081.fig.002b
(b)
562081.fig.002c
(c)
562081.fig.002d
(d)
Figure 2: The 15-year nonlinear evolution of the lake ecosystem, with - as the initial condition and as the control parameter. (a) , the basic state is OES A; (b) , the basic state is OES B; (c) , the basic state is EES C; (d) , the basic state is EES D.