Bill Kendall kindly provided some additional text for his 'robust design' chapter in the MARK book, pertaining to parameters that can be derived from RD data. These methods have been in the literature (and in MARK) for a while, but not documented....until now.
You can read about them in chapter 15, section 15.9 and following -- linked here:
http://www.phidot.org/software/mark/docs/book/pdf/chap15.pdf#page=45