• Title Page

  • Preface

  • Introduction

  • The Status of Mesquite: Assumption vs. Hypothesis

  • Mesquite and the Nitrogen Cycle

  • Ecological Consequences of Mesquite Fixation of Nitrogen

  • Fixed Nitrogen in Shrub Clump Food Webs

  • Termites and the Nitrogen Cycle

  • Natural Controls of Shrub Density

  • Drought Cycles, Shrub Clumps, and Desertification

  • Conclusion

  • Acknowledgments

  • Bibliography

  • Figures

  • Plates

  • Postscript 1 Nitrogen budget for South Texas mesquite grassland

  • Postscript 2 Research questions

  • Postscript 3 Selected post-manuscript references

  • Postscript 4 Chaparral Plant List

  • Mesquite Experts to Contact

    27 May 97
    Copyright L.E. Gilbert