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
5. Examples
   • No Bottom, MA
   • Duckpond, MA
   • White Pond, SC
   • Lake Annie, FL
   • Kirchner Marsh, MN
   • Cottonwood Lake, SD
   • Seagull Lake, Alaska
   • Davis Lake, WA
   • Exchequer Meadow, CA
   • Montezuma Well, AZ
   • NGDC Pollen Data Search