Effects of Catastrophic Insect Outbreaks on the Harvesting Solutions of Dahurian Larch Plantations
Table 2
Summary statistics of calculating 100 scenarios of the bare land value under pest risk with different rotations (bare land value, unit: $ USD/ha) and the optimal bare land value under deterministic situation.
(a) Dulaer 76
Stochastic
Deterministic
Rotation (y)
58
53
51
49
47
53
Max
11202.8
11956.3
12679.5
12850.8
12379.7
Min
7221.4
5864.0
6327.0
6749.0
6529.2
Mean
9354.6
9654.8
10137.7
10218.6
9638.1
11989.5
SD
837.5
1132.2
1421.9
1312.1
1306.4
SE
83.8
113.2
142.2
131.2
130.6
(b) Dulaer 80-2
Stochastic
Deterministic
Rotation (y)
54
50
49
48
44
54
Max
10144.1
10251.0
10320.5
10524.3
9523.5
Min
5275.7
5572.1
5636.2
4924.0
4614.3
Mean
8017.4
8217.0
8112.3
8369.1
7753.1
10748.4
SD
1157.7
1025.3
1209.1
1090.3
1144.7
SE
115.8
102.5
120.9
109.0
114.5
(c) Yiershi 48
Stochastic
Deterministic
Rotation (y)
55
50
48
45
40
50
Max
15098.2
15125.2
14687.9
15488.8
13556.0
Min
9342.0
6985.1
8085.6
8995.9
6502.3
Mean
12610.3
12072.5
12292.1
12715.0
11438.3
15380.9
SD
1232.9
1781.3
1453.5
1529.5
2171.7
SE
123.3
178.1
145.3
152.9
217.2
(d) Yiershi 53
Stochastic
Deterministic
Rotation (y)
58
56
53
50
45
58
Max
10710.4
11169.8
10433.4
10578.3
10577.4
Min
5752.3
4968.5
6125.0
4942.4
4636.0
Mean
9165.0
9110.1
9194.8
9339.9
8789.1
11417.2
SD
1013.3
1153.0
986.6
1108.3
1770.9
SE
101.3
115.3
98.7
110.8
177.1
(e) Yiershi 57
Stochastic
Deterministic
Rotation (y)
55
54
52
50
48
57
Max
8357.4
8022.4
7967.6
9233.2
7672.5
Min
4964.2
4666.6
4096.1
4387.1
3124.4
Mean
7008.8
6817.3
6772.9
7118.0
6550.1
9236.6
SD
803.8
825.6
902.3
1031.6
952.9
SE
80.4
82.6
90.2
103.2
95.3
(f) Yiershi 58
Stochastic
Deterministic
Rotation (y)
58
56
53
48
43
58
Max
10017.9
9515.0
9538.8
9403.8
9244.5
Min
5607.3
6034.7
5909.1
5908.6
4426.2
Mean
8385.7
8402.2
8506.6
8210.3
7915.5
10740.8
SD
942.7
872.6
847.3
913.4
1246.0
SE
94.3
87.3
84.7
91.3
124.6
(g) Yiershi 57 O-1
Stochastic
Deterministic
Rotation (y)
55
52
50
45
40
51
Max
12241.1
12387.6
12626.2
12998.0
11700.4
Min
7980.3
6810.6
7492.7
7153.0
5864.7
Mean
10506.0
10527.7
10474.2
10913.6
9942.1
12999.1
SD
967.7
1197.8
1182.2
1129.2
1594.3
SE
96.8
119.8
118.2
112.9
159.4
(h) Yiershi 57 O-2
Stochastic
Deterministic
Rotation (y)
55
52
47
42
40
47
Max
15674.3
16363.5
15636.6
15302.0
14900.0
Min
9913.7
9607.0
8032.7
7985.2
8001.1
Mean
13169.2
13225.1
13306.9
13435.7
12607.2
16476.8
SD
1179.3
1447.6
1718.4
1595.1
2042.0
SE
117.9
144.8
171.8
159.5
204.2
(i) Yiershi 57 O-3
Stochastic
Deterministic
Rotation (y)
45
42
40
38
35
42
Max
16481.2
15843.3
16146.1
16737.1
15775.2
Min
8124.1
9682.9
9250.5
8442.6
5118.3
Mean
13571.9
13165.4
13183.2
14023.4
12996.5
16844.4
SD
1472.0
1747.1
1654.9
1756.5
3031.3
SE
147.2
174.7
165.5
175.7
303.1
Max = maximum bare land value, Min = minimum bare land value, Mean = mean bare land value, SD = standard deviation, and SE = standard error of the mean.
