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PRI & the Power of Spectral Indices

In this brief 30-minute webinar, Dr. John Gammon, University of Alberta, teaches the basics of the Photochemical Reflectance Index (PRI).

PRI

He gives a introduction to the photochemical reflectance index and what it can tell researchers about xanthophyll cycle activity, carotenoid: chlorophyll pigment ratios, light-use efficiency, and plant stress. He also discusses remote sensing.

Topics include:

  • Energy distribution in a leaf
  • Leaf optical changes upon shade removal
  • Photosynthetic light response curve
  • Uses as a stress indicator
  • Temporal and spacial patterns in photoprotection
  • How does photoprotection vary with tree age?
  • Kinetics: sun vs. shade
  • Applications
  • Can it “scale”?
  • Light-use efficiency model

Watch the webinar

 

More canopy webinars:

Using PRI to Monitor Crop Stress

Leaf Area Index: Theory, Measurement, and Application

NDVI and PRI: Measurement, Theory, and Application

Get more info on applied environmental research in our

 

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