posted 14 years ago
PDC is the acronym for a Permaculture Design Course, a 72 hour cirricullum concieved by Bill Mollison and developed over the last 30 years by thousands of teachers worldwide, pretty much the core of a shared system design basis that keeps all of us cats in something resembling a herd. or flock. Permies. Permaculturists. for the general cirricullum, see:
http://www.permaculture.org/nm/images/uploads/PDC_cert_book_.pdf
while its not universally standardiszed, the content of the above link is pretty much accepted as the core information for permaculture systems design.