1. Tree species composition and rain forest-environment relationships in the middle Caquetá area, Colombia, NW Amazonia

   • Joost E. Duivenvoorden

   OriginalPaper Pages: 91 - 113

2. Ecological optima and tolerances of Thelypteris limbosperma, Athyrium distentifolium, and Matteuccia struthiopteris along environmental gradients in Western Norway

   • A. Odland
   • H. J. B. Birks
   • J. M. Line

   OriginalPaper Pages: 115 - 129

3. An assessment of some improved techniques for estimating the abundance (frequency) of sedentary organisms

   • David A. Morrison
   • Andrew F. Le Brocque
   • Peter J. Clarke

   OriginalPaper Pages: 131 - 145

4. Relationships of bryophytes and lichens to environmental gradients in Maine peatlands

   • Dennis S. Anderson
   • Ronald B. Davis
   • Jan A. Janssens

   OriginalPaper Pages: 147 - 159

5. Short-term accumulation of organic matter and nutrient contents in two dry sand ecosystems

   • J. W. van Rheenen
   • M. J. A. Werger
   • W. H. M. Mulders

   OriginalPaper Pages: 161 - 171

6. Dendrochronological analysis of the canopy history of two Ohio old-growth forests

   • Do-Soon Cho
   • R. E. J. Boerner

   OriginalPaper Pages: 173 - 183

7. List of contributors

   Legacy Pages: 190 - 190