Table 1 Evaluation index system for water ecological security in Northern Xinjiang.
From: Human settlement water security in Northern Xinjiang China based on DPSIR model
Category | Normative layer | Indicator layer | Unit | Convergence | Weighting(%) |
|---|---|---|---|---|---|
Evaluation index system for ecological security of water environment in northern Xinjiang | D: Drive | D1 Registered residence population | people | - | 4.893 |
D2 Per capita GDP | Yuan per person | + | 4.052 | ||
D3 Natural growth rate of registered residence population | (%) | - | 3.718 | ||
D4 Birth rate of registered residence population | (%) | 3.518 | |||
P: Pressure | P1 Per capita water consumption | Billion cubic meters | - | 15.402 | |
P2Domestic water consumption | Billion cubic meters | - | 3.456 | ||
P3Total production water consumption | Billion cubic meters | - | 18.675 | ||
P4 Ecological Water Consumption | Billion cubic meters | - | 3.144 | ||
P5 Total water consumption in the primary industry | Billion cubic meters | - | 3.627 | ||
S: State | S1Total amount of water resources | Billion cubic meters | + | 1.498 | |
S2Annual precipitation | mm | + | 3.606 | ||
S3 Surface Water Resource Quantity | Billion cubic meters | + | 1.296 | ||
S4 Production of aquatic products | Ton | + | 1.08 | ||
S5 Number of villages benefiting from tap water | Individual | + | 1.916 | ||
S6 Number of reservoirs | Hectare | + | 1.676 | ||
I: Impact | I1 The percentage of days throughout the year when the air quality is at or above level 2 | (%) | - | 7.54 | |
I2 Cultivated land area | Hectares | + | 2.137 | ||
I3 Soil erosion control area | Hectares | + | 3.103 | ||
I4 Surface Water Supply Quantity | Billion cubic meters | 1.752 | |||
R: Response | R1Aquaculture area of aquatic products | Hectare | + | 3.495 | |
R2Quantity of rural centralized water supply projects | Place | + | 3.242 | ||
R3 Artificial afforestation area | Hectare | + | 2.116 | ||
R4 Total afforestation area | Hectare | + | 2.718 | ||
R5 Repetitive amount of surface water and groundwater resources | Billion cubic meters | + | 1.403 | ||
R6 Water-saving irrigation area | Hectares | + | 0.937 |