Contents
List of Illustrations
List of Tables
Foreword
Acknowledgments
Part I. Historic Vegetation Change
1. Introduction
2. Setting
3. Previous Studies of Vegetation Change
4. Assessing Vegetation Change
Part II. Primary Historic Human Impacts Since 1870
5. Livestock Grazing
6. Fire
7. Fuelwood Cutting
8. Exotic Plant Introductions
9. Agriculture, Logging, and Haying
10. Patterns and Factors of Change
11. Summary and Conclusions
Appendix A. Selected Section Lines with Oaks Recorded by the Public Land Survey in Southeastern Arizona
Appendix B. Tree and Large Woody Shrub Counts Along 111 Matching Transects on SCS (1935-1937) and NHAP (1983-1984) Imagery by Vegetation Type
Appendix C. Z-Scores for the Total Sample
Notes
Bibliography
Index