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| The system layer | The first-level indicators | Basic indicators | Weights of basic indicators | Indicator explanations |
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| The eco-environment system | The ecological environment pressure (0.2852) | Domestic garbage removal volume (10,000 tons) Y1 | 0.0694 | Represents the pressure of domestic garbage on the ecological environment, represented by the amount of domestic garbage that can be transported to the waste consumption site or transfer site
Represents the pressure of domestic sewage on the water environment |
| Discharge of domestic sewage (10000 tons) Y2 | 0.1015 | It is reflected by the amount of sewage discharged by local residents |
| Domestic gas emissions (ten thousand standard cubic) Y3 | 0.0139 | It represents the pressure generated by residents’ living exhaust gas to the atmospheric environment and is reflected by the amount of exhaust gas emitted by local residents |
| Intensity of pesticide application (kg/hm2) Y4 | 0.0285 | It represents the pressure of sightseeing agricultural production on the ecological environment and is reflected by the amount of pesticide applied per hectare per year |
| Intensity of fertilizer application (kg/hm2) Y5 | 0.0719 | It represents the pressure of sightseeing agricultural production on the ecological environment and is reflected by the amount of fertilizer applied per hectare per year |
| Investment in ecological environment protection (0.2339) | Afforestation area (hm2) Y6 | 0.099 | Representing the afforestation status of barren mountains and wastelands, represented by the sum of plantation area on barren mountains and wastelands and afforestation area sown by aircrafts |
| Environmental investment index (%) Y7 | 0.0156 | It represents the adequacy of regional environmental management investments and is reflected by the ratio of regional environmental protection investment to GDP |
| Sewage treatment capacity (t/day) Y8 | 0.0422 | Refers to the daily average quantity of sewage treatment, expressed by tons of sewage treatment per day |
| Rubbish collection facilities (one) Y9 | 0.0771 | It is represented by the total number of garbage cans, garbage compression truck, garbage transfer station, etc. |
| Ecological environment protection efficiency (0.4809) | Compliance rate of drinking water quality (%) Y10 | 0.0781 | Characterization of regional water quality status. Reflected by the ratio of water bodies above grade II to the total water body according to the drinking water sanitary standard (GB5749) |
| Per capita public green areas (m2) Y11 | 0.0663 | It represents the quality of living environments and life of regional residents, which is reflected by the ratio of the area of regional green space to the total local population |
| The rate of days with good air quality (%) Y12 | 0.0852 | Represents the air quality in the region. It is reflected by the ratio of days with good air quality to the total number of days in a year |
| Domestic sewage treatment rate (%) Y13 | 0.0849 | Characterization of regional sewage treatment status. It is reflected by the ratio of sewage treatment volume to sewage discharge quantity in an area |
| Domestic waste disposal rate (%) Y14 | 0.0646 | Represents the status of regional garbage disposal. It is reflected by the ratio of the treated domestic garbage to the total domestic garbage |
| Vegetation coverage rate (%) Y15 | 0.1018 | Represents the overall greenbelt status of the region. It is reflected by the ratio of vegetation area to total land area |
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