Regionalization zoning | Grade I | Grade II | Grade III | Grade IV | Grade V | Total |
Quality improvement area | 3144.11 | 7045.28 | 8425.46 | 6565.55 | 2600.65 | 27781.05 |
Intensive regulation area | 246.13 | 122.13 | 491.02 | 0 | 0 | 859.28 |
Quantity promotion area | 1684.58 | 272.34 | 0 | 0 | 0 | 1956.93 |
Comprehensive improvement area | 950.45 | 5313.68 | 4381.2 | 2926.76 | 467.2 | 14039.29 |
Health improvement area | 1175.84 | 1673.84 | 2983.97 | 4449.22 | 1603.84 | 11886.72 |
Total | 7201.12 | 14427.29 | 16281.65 | 13941.53 | 4671.68 | 56523.27 |