Shortleaf pine (Graney and Burkhart 1973)
Ouachita Mountains of west-central Arkansas and southeastern Oklahoma
216 plots having 2 dominant and codominant trees on each plot
Stem analysis, nonlinear regression, polymorphic
Convert d.b.h, age to total age by adding years according to site
index (BH = 0.0):
| SI | 30-55 | 56-75 | 76+ |
|---|---|---|---|
| Years | 6 | 5 | 4 |