Site Index Curves

Slash Pine - West Gulf

Slash Pine - West Gulf
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
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


Slash pine plantations (Zarnoch and Feduccia 1984)
West Gulf
247 plots, some plots remeasured, plantations mostly outside
natural range of slash pine
Total height and plantation age, anamorphic, nonlinear regression
Site index is total height at plantation age of 25 years
Convert d.b.h, age to plantation age by adding years according to
site index (BH = 0.0):

SI <55 >55
Years 2 1