The 3-PG model (Physiological Processes Predicting Growth) was developed by Landsberg and Waring (1997). It was developed to bridge the gap between conventional, mensuration-based growth and yield, and process-based carbon balance models. The output variables it produces are of interest and relevance to forest managers.
3-PG calculates the radiant energy absorbed by forest canopies and converts it into biomass production. The efficiency of radiation conversion is modified by the effects of nutrition, soil drought (thebook_cover model includes continuous calculation of water balance), atmospheric vapour pressure deficits and stand age.
Information for the model 3PG is provided for the simulation rounds shown in the tabs below. Click on the appropriate tab to get the information for the simulation round you are interested in.
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