Examining the Optimal Bucking Method to Maximize Profits in Commercial Operations ... (45–61)
C. Nakahata et al.
Table 5 Results of the optimal bucking method to maximize profits in Stand A of Japanese cedar Thinned trees
DBH
Height
Stem volumes
Extracted volumes
Stem/ha
cm
m
10
18
16
0.210
0.176
31
20
17
0.270
39
22
17
42
24
39
Direct expenses
Economic balance
No. of logs
Revenues
83.6
3
91.69
43.80
47.89
0.218
80.7
3
97.40
39.64
57.77
0.320
0.257
80.3
3
114.49
36.98
77.51
18
0.400
0.349
87.3
4
107.05
34.37
72.68
26
19
0.490
0.426
87.0
4
117.41
32.03
85.38
32
28
19
0.550
0.490
89.0
4
121.33
30.60
90.73
24
30
20
0.660
0.578
87.6
4
121.49
28.92
92.56
17
32
20
0.740
0.652
88.1
4
121.97
27.80
94.17
10
34
21
0.870
0.749
86.1
4
123.82
26.53
97.29
7
36
21
0.960
0.841
87.6
4
122.67
25.53
97.14
4
38
21
1.050
0.962
91.6
4
126.57
24.42
102.15
2
40
22
1.210
1.082
89.4
4
126.67
23.39
103.28
1
42
22
1.330
1.206
90.7
4
125.86
22.48
103.37
259*
25.9
18.5
0.495
0.429
86.6
3.7
116.91
31.22
85.69
Direct
Economic
m3/stem
Rate %
USD/m3
*Total value. The other values refer to averages
Table 6 Results of the optimal bucking method to maximize profits in Stand A of Japanese cypress Thinned trees
DBH
Height
Stem
Extracted
volumes
volumes 3
m /stem
Rate %
No. of logs
Revenues
expenses
balance 3
USD/m
Stem/ha
cm
m
29
12
16
0.100
0.000
0.0
0
–
–
–
62
14
16
0.130
0.000
0.0
0
–
–
–
72
16
17
0.180
0.127
70.4
2
93.38
48.27
45.11
70
18
17
0.220
0.160
72.7
2
159.81
43.09
116.73
60
20
18
0.290
0.232
79.9
3
154.66
35.59
116.08
46
22
18
0.340
0.295
86.8
3
179.67
35.20
144.47
32
24
19
0.430
0.350
81.3
3
180.35
32.84
147.51
20
26
19
0.490
0.448
91.5
4
193.73
31.57
162.16
13
28
19
0.560
0.523
93.4
4
198.89
30.00
168.89
7
30
20
0.670
0.574
85.6
4
200.30
28.97
171.33
4
32
20
0.770
0.677
87.9
4
212.11
27.45
184.66
414*
18.8
17.5
0.266
0.195
73.3
2.1
168.04
36.67
131.37
*Total value. The other values refer to averages
Croat. j. for. eng. 35(2014)1
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