College of Forestry

PNW Permanent Sample Plot Program

The Pacific Northwest Permanent Sample Plot Program (PNW-PSP)


Current research topics

  • Dynamics and demographics of tree species at local and landscape scales
  • Long-term responses of Pacific Northwest forests to disturbance and climate
  • Coupling stem-mapped permanent plot data with LiDAR (light ranging and detection)
  • Influence of biotic agents on forest structure and species composition
  • Long-term succession of understory plant communities