Lion Kuntz developed a related method before his death called Integrated Biological Systems. He failed (!) to copyright it or even cultivate a cult following. Yet the obvious benefits are to be seen in his surviving writings. I'd like to suggest that his writings and illustrations be integrated into any discussion of permaculture. Qualified Permaculture Historians should be able to document which parts of his methods are actually permacultural and which are actually original.
The following surviving page is illustrative: http://plenty.150m.com/IBS_Flowchart/IBS_Flowchart_01.html