Site Index Curves

Shortleaf Pine - Ouachita Mountains of West-Central Arkansas and Southeastern Oklahoma

Shortleaf Pine - Ouachita Mountains of West-Central Arkansas and Southeastern Oklahoma
Total Age (Years)
0
10
20
30
40
50
60
70
80
90
100
Total Height (Feet)
0
20
40
60
80
100
120
140
Site Index 25
Site Index 30
Site Index 35
Site Index 40
Site Index 45
Site Index 50
Site Index 55
Site Index 60
Site Index 65
Site Index 70
Site Index 75
Site Index 80
Site Index 85
Site Index 90
Site Index 95


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