Pollen Diagrams

1. Axes
   • X-axis
     • Percentage
     • Concentration
     • Accumulation Rate
     Groupings
     Shading
     Combined Curves
   • Y-axis
     • Depth (from surface, in unit)
     • Time
     • Other (environmental sequence)
     Dates (Radiocarbon)
2. Zones
   • Biostratigraphic
   • Assemblage zone
3. Vegetation Reconstruction
   • Naturalist Training (intuitive)
   • Surface Samples
   • Numerical Techniques
4. Climate Reconstruction
   • Vegetation Analog (Surface Samples)
   • Numerical Techniques
   examples