Research Article

Sustainable Deforestation Evaluation Model and System Dynamics Analysis

Table 1

Index weight distribution and results evaluation.

Two-level index
(3)
Second weight Three-level
index (9)
Three-
level
weight
Four-level index Four-
level
weight
Road-cutting skidding Cableway skidding
Standard
values
Integrated assessment valueStandard
values
Integrated assessment value


Ecological benefits 
(13)
0.5954
Natural ecology 
(5)
0.2763Integrity of forestry landscape () 
Diversity index () 
Plantation productivity () 
Fertility index () 
Stability index ()
0.0647 
0.1665 
0.3310 
0.3310 
0.1068
0.6600 
0.7300 
0.6200 
0.6100 
0.5300
0.0070 
0.0200 
0.0338 
0.0332 
0.0093
0.7800 
0.7600 
0.7900 
0.6500 
0.8200
0.0083 
0.0208 
0.0430 
0.0354 
0.0144

Ecological protection 
(4)
0.5954Water source conservation () 
Soil and water conservation () 
Air purifying () 
Soil improving ()
0.2046 
0.3403 
0.2505 
0.2046
0.4700 
0.3500 
0.6700 
0.3600
0.0341 
0.0422 
0.0595 
0.0261
0.5800 
0.6500 
0.7100 
0.7600
0.0421 
0.0784 
0.0630 
0.0551

Ecological 
environment 
(4)
0.1283Biomass of forest () 
Defending the remaining woods () 
Afforestation effect () 
Vegetation coverage ()
0.3309 
0.1794 
0.2201 
0.2696
0.5200 
0.6800 
0.4500 
0.8900
0.0131 
0.0093 
0.0076 
0.0183
0.5700 
0.9600 
0.9500 
0.9800
0.0144 
0.0132 
0.0160 
0.0202


Economic benefits 
(9)
0.2763
Cost of production 
(3)
0.3011Unit cost for ready (100 million yuan, reverse index) () 
Saving rate of unit cost () 
Pollution controlled cost (100 million yuan, reverse index) ()
0.3106 
0.4361 
0.2533
0 
0 
0
0 
0 
0
1 
0.29 
1
0.0258 
0.0105 
0.0211

Production efficiency 
(3)
0.4536Utilization rate of forest resources () 
Utilization rate of equipment () 
Per capita work efficiency (m3/per man) ()
0.4361 
0.3106 
0.2533
0.5600 
0.7500 
0.0740
0.0306 
0.0292 
0.0023
0.7800 
0.8900 
0.1120
0.0426 
0.0346 
0.0036

Input of production 
(3↑)
0.2453Increment of value of annual forest production (10,000 yuan) () 
The annual proportion of fixed investment (%) () 
The annual proportion of construction investment (%) ()
0.2224 
0.3357 
0.4419
0.3000 
0.1000 
0.4000
0.0045 
0.0023 
0.0120
0.3500 
0.1500 
0.4000
0.0052 
0.0034 
0.0120


Social benefits 
(17↑)
0.1283
Forest resources 
(4↑)
0.2392Forestry area (10,000 hm2) () 
Unit area amount of growing stock (m3/hm2) () 
Forestry land area (10,000 hm2) () 
Structural integrity of forestry ()
0.1793 
0.2201 
0.2696 
0.3310
0.6300 
0.3900 
0.5600 
0.7900
0.0035 
0.0026 
0.0046 
0.0080
0.6900 
0.4400 
0.6600 
0.8700
0.0038 
0.0030 
0.0055 
0.0088

Technological education 
(9↑)
0.4422Improvement of scientific level () 
Improvement of educational level () 
Policies and regulations () 
Benefit future generations () 
Benefit other industries () 
Numbers of professionals () 
Ratio of trained staff to entire staff () 
Investment of science and technology project and key laboratory () 
Number of science and technology projects ()
0.1376 
0.1201 
0.1049 
0.1614 
0.1260 
0.1026 
0.0781 
0.0804 
0.0889
0.1600 
0.1500 
0.6700 
0.2500 
0.2700 
0.0800 
0.7800 
0 
0
0.0012 
0.0010 
0.0040 
0.0023 
0.0019 
0.0005 
0.0035 
0 
0
0.8600 
0.8900 
0.7800 
0.5300 
0.7000 
0.1300 
1.0000 
0.1000 
0.1000
0.0067 
0.0061 
0.0046 
0.0049 
0.0050 
0.0008 
0.0044 
0.0005 
0.0005

Humanization index 
(4↑)
0.3186Reducing labor intensity () 
Advancement of operation and technology () 
Operation technical safety () 
Harmony of man-machine environment ()
0.1931 
0.3205 
0.2248 
0.2616
0.3500 
0.3700 
0.6800 
0.5600
0.0028 
0.0048 
0.0062 
0.0060
0.8900 
0.9000 
0.7600 
0.8600
0.0070 
0.0118 
0.0070 
0.0092