Sequential large-scale disturbances may produce
interacting effects that differ from those predicted
for each disturbance in isolation. These non-additive
effects can strongly influence the composition and
structure of plant communities. Hurricanes and
natural lightning-season fires are large-scale,
frequent disturbances in savanna-forest landscapes of
the southeastern US. Passmore develops a predictive
conceptual model for interacting disturbances. She
predicts that hurricane-fire interactions may
influence ecotones between savannas and forests by
changing species composition and structure....