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The objective of the Provincial Growth and Yield Initiative (PGYI) is to collectively obtain data on tree growth through repeated measurements of Permanent Sample Plots to develop/calibrate/validate growth models for forest management yield curve development. 

PGYI will consist of four components:

  • Jointly collect new, or pool existing, Permanent Sample Plot data to fill gaps for natural stands and provide information  for managed stands;
  • Develop a centralized database to house the information in a standardized format and to provide quality control for data standards;
  • Develop standards for data collection and submission; and
  • Develop a “Best Practices Manual” to facilitate uniformity and consistency of data submitted by different companies and GOA.


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