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