1. Altitudinal Zonation of Pteridophytes on Mt. Banahaw de Lucban, Luzon Island, Philippines

   • M. C. N. Banaticla
   • I. E. Buot Jr

   OriginalPaper Pages: 135 - 151

2. Competition between Invasive and Indigenous Species: Impact of Spatial Pattern and Developmental Stage

   • Marie-Hélène Barrat-Segretain

   OriginalPaper Pages: 153 - 160

3. Spatial Variation and Dynamics of Flooding, Canopy Openness, and Structure in a Neotropical Swamp Forest

   • Alexandre F. Souza
   • Fernando R. Martins

   OriginalPaper Pages: 161 - 173

4. Recovery after Experimental Cutting and Burning in Three Shrub Communities with Different Dominant Species

   • L. Calvo
   • R. Tárrega
   • E. Marcos

   OriginalPaper Pages: 175 - 185

5. A Phytosociological Survey of the Chionophilous Communities of Western North America. Part I: Temperate and Mediterranean Associations

   • M. Peinado
   • J. L. Aguirre
   • J. M. Martínez-Parras

   OriginalPaper Pages: 187 - 241

6. A Phytosociological Survey of the Chionophilous Communities of Western North America. Part II: Boreal Associations

   • M. Peinado
   • J. L. Aguirre
   • J. M. Martínez-Parras

   OriginalPaper Pages: 243 - 256

7. Is Campanula glomerata Threatened by Competition of Expanding Grasses?

   • Urte Bachmann
   • Isabell Hensen
   • Monika Partzsch

   OriginalPaper Pages: 257 - 265

8. Ozone Depletion: Not a Catastrophe but a Serious Problem?

   • Jelte Rozema

   Book Review Pages: 267 - 268

9. Book Review: B. Berg and C. McClaugherty (2003). Plant Litter–Decomposition, Humus Formation, Carbon Sequestration. Springer Verlag, 286 pp., 76 figs, 64 tabs. Hardcover. ISBN 3-540-44329-0, Price €129.95.

   • Thomas W. Kuyper

   Book Review Pages: 269 - 271

10. New Synthesis on the Diverse Effects of Biodiversity

    • Peter van Bodegom

    Book Review Pages: 273 - 274

11. Defending Against the Alien Invaders

    • Daniel M. Kashian

    Book Review Pages: 275 - 277

12. Instructions for Authors

    Instructions for Authors Pages: 279 - 282