Figure 3.
The synergistic influence of habitat degradation (i.e. reducing local community size, Je) and habitat destruction (the proportion of patches destroyed, D) on coexistence. Panels (a, Je = 800) and (b, Je = 1500) illustrate the stochastic competition-colonization trade-off for different values of local community size. Panel (c) illustrates effect of habitat destruction under hierarchical competition used in the original extinction debt model (the outcome is analogous to the stochastic competition-colonization trade-off model with Je approaching infinity). Each panel presents the proportion of patches occupied at equilibrium by superior competitors (solid line) and inferior competitors (dashed line); a species is extinct when its equilibrium is zero. In panels (a) and (b), f1 = 0.01 and s = 0.05. In all panels, c1 = 0.2, c2 = 0.8 and e1 = e2 = 0.1.