..................... 38.89m2ha.......... ........... 2 r =0.71 S Age (years) 40 89,, m2 ha1 40 .************************ ............................ -- - 35 / / 30- / 25 / 20- I S 0 __ 0 10 20 30 Age (years) Figure 7.30. Hypothetical Community Basal Area Trajectories Based on (a) Exponential Regression of Mean Community Basal Area of Research Sites and (b) Exponential Curve Modified to a Logistic Growth Curve. Horizontal Dotted Line Represents the Community Basal Area of a Natural Mixed Hardwood Swamp. 7-100