Correlated Curve Trend (CCT):

CCT diagram

Douglas-fir CCT Figure 3. C. D. Oliver's Douglas-fir approximation curves.

Red Pine CCT Figure 4. Data published in the Journal of Forestry in the 1950's plotted as a CCT diagram by David Larsen.

Figures 2 is from:
Marsh,E. K. 1957. Some Preliminary results from O'Connor's correlated Curve Trend (C.C.T.) Experiments on thinnings and Espacements and their proactical significance. Commonwealth Forestry Conference, Austrialia and New Zealand. 1957. Government Printer, Pretoria, South Africa. 21 p.

Created: January 21, 2003
by David R. Larsen, Copyright 2003 - 2011
Last Updated: February 25, 2011