Tree Stem:

Tree Stem patterns

Tree Stem patterns

Figures 26, 45 & 46 are from:
Assmann, E. 1970, The Principles of Forest Yield Study, Studies of the Organic Production, Structure, Increment and Yield of Forest Stands. (English edition) Pergamon Press, Oxford, New York, Tronto, Sydney, Brauncschweig

Created: January 21, 2003
by David R. Larsen, Copyright 2003 - 2011
Last Updated: February 7, 2011