Section 1 Introduction.- 1. Landscape Ecology: State of the Art.- 2. Scale Effects in Landscape Studies.- Section 2 Disturbances in the Landscape.- 3. Landscape Ecology and Air Pollution.- 4. Parasites, Lightning, and the Vegetation Mosaic in Wilderness Landscapes.- 5. Fire, Grazing, and the Landscape Heterogeneity of a Georgia Barrier Island.- 6. Disturbance by Beaver (Castor canadensis Kuhl) and Increased Landscape Heterogeneity.- 7. Suppression of Natural Disturbance: Long-Term Ecological Change on the Outer Banks of North Carolina.- 8. Vegetation Dynamics in a Southern Wisconsin Agricultural Landscape.- Section 3 Implications for Landscape Management.- 9. Landscape Restoration in Response to Previous Disturbance.- 10. Patch-Within-Patch Restoration of Man-Modified Landscapes Within Texas State Parks.- 11. Progressiveness Among Farmers as a Factor in Heterogeneity of Farmed Landscapes.- Section 4 Conclusion.- 12. The Ethics of Isolation, the Spread of Disturbance, and Landscape Ecology.