Site Index Curves

Loblolly Pine - Coastal Plain of Virginia, North Carolina, and South Carolina

Loblolly Pine - Coastal Plain of Virginia, North Carolina, and South Carolina
Total Age (Years)
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
Total Height (Feet)
0
20
40
60
80
100
120
140
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
Site Index 100
Site Index 105
Site Index 110
Site Index 115
Site Index 120
Site Index 125


Loblolly pine (Trousdell, Beck, and Lloyd 1974)
Coastal Plain of Virginia, North Carolina, and South Carolina
22 plots having 2 dominant and codominant trees on each plot
Stem analysis, polymorphic, nonlinear regression
Convert d.b.h, age to total age by adding years according to site
index (BH = 0.0)

SI 60-75 76+
Years 4 3