A number of different software versions of the 3-PG model have been developed.

3-PG for Excel

A simple to use Excel version of 3-PG for plot data developed by Dr. Peter Sands (retired, CSIRO Australia).

Click here to download the Excel version of the model.

3-PG Spatial

A public version of the model was developed by CSIRO Australia and released in 2004. It uses Arc/INFO float files as inputs and allows to make spatial predictions. Please contact Dr. Nicholas Coops.


Other software implementations are available from individual model developers listed in the Model additions page. For up-to-date information on further development of the 3-PG model by CSIRO Australia please contact Anders Siggins or Dr. Auro Almeida.