This series is dedicated to serving the growing community of scholars and practitioners concerned with the principles and applications of environ mental management. Each volume is a thorough treatment of a specific topic of importance for proper management practices. A fundamental objective of these books is to help the reader discern and implement man's stewardship of our environment and the world's renewable re sources. For we must strive to understand the relationship between man and nature, act to bring harmony to it, and nurture an environment that is both stable and productive. These objectives have often eluded us because the pursuit of other individual and societal goals has diverted us from a course of living in balance with the environment. At times, therefore, the environmental manager may have to exert restrictive control, which is usually best applied to man, not nature. Attempts to alter or harness nature have often failed or backfired, as exemplified by the results of imprudent use of herbicides, fertilizers, water, and other agents. Each book in this series will shed light on the fundamental and applied aspects of environmental management. It is hoped that each will help solve a practical and serious environmental problem.

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1. Introduction.- The Wonders and Fragility of Arid Areas.- The Problem Is Recognized.- What Must Be Done?.- References.- I. Physical Effects of Off-Road Vehicle Use.- 2. Soil and Soil Formation in Arid Regions.- 3. The Impact of Vehicles on Desert Soil Stabilizers.- 4. Compaction of Desert Soils by Off-Road Vehicles.- 5. Accelerated Water Erosion in ORV-Use Areas.- 6. Accelerated Wind Erosion and Prediction of Rates.- II. Biological Effects of off-Road Vehicle Use.- 7. Plant Ecology in Deserts: An Overview.- 8. The Effect of Vehicle Use on Desert Vegetation.- 9. Effects of Off-Road Vehicle Noise on Desert Vertebrates.- 10. Vehicular Recreation in Arid Land Dunes: Biotic Responses and Management Alternatives.- III. Rehabilitation Potential for Disturbed Arid Regions.- 11. Regeneration of Desert Pavement and Varnish.- 12. Control of Rills and Gullies in Off-Road Vehicle Traffic Areas.- 13. Recovery of Perennial Vegetation in Military Maneuver Areas.- 14. Natural Recovery of Soils and Vegetation Following Human Disturbance.- 15. Recovery Rates and Rehabilitation of Powerline Corridors.- 16. History of Revegetation Studies in the California Deserts.- 17. Revegetation and Stabilization Techniques for Disturbed Desert Vegetation.- IV. Case Histories of Off-Road Vehicle Impacts.- 18. Off-Road Vehicular Destabilization of Hill Slopes: The Major Contributing Factor to Destructive Debris Flows in Ogden, Utah, 1979.- 19. The Impacts of Off-Road Vehicles in the Coorong Dune and Lake Complex of South Australia.- 20. Chrysotile Asbestos in a Vehicular Recreation Area: A Case Study.- V. Management of Off-Road Vehicles.- 21. Management Concepts.- 22. Management Practices.- 23. Regulations and Education.