Research Article

Evaluation and Application of Environmental Value of Rural Land Resources Based on Improved GIS System

Table 1

Evaluation index system.

Target layerCriterion layerSubtarget layerIndex layer

Sustainable land useEcological sustainabilityMaintain a good environmentForest land coverage (%)
Per capita public green space area (m2)
Terrace degree of slope land (%)
Improve the quality of cultivated landFarmland index above 25° (%)
Land reclamation rate (%)
Effective degradation controlStandard rate of industrial waste gas emission (%)
Standard rate of industrial wastewater discharge (%)
Comprehensive utilization rate of industrial solid waste (%)
Economic sustainabilityHigh output efficiencyTotal economic output value per unit area (10000/HA)
Total agricultural output value per unit area (10000)
Per capita disposable income of rural residents (yuan)
Per capita disposable income of urban residents (yuan)
Per capita GDP
Proportion of primary industry GDP
Proportion of GDP of tertiary industry
Social sustainabilityEnsuring food securityGrain per capita (kg/person)
Multiple cropping index of cultivated land (%)
Effective irrigation rate (%)
Good relationship between man and landPer capita cultivated land area (MU)
Population density (population/km2)