20-11 URBAN ECOLOGICAL NATURAL ENVIRONMENT(2005-2008) |
Item | 2005 | 2006 | 2007 | 2008
| Parks,Gardens and Green Areas |  |  |
| Parkes,Gardens and Green Areas (hectare) | 5529 | 4037 | 6057 | 6468
| Green Space of Park (hectare) | 1568 | 1333 | 1389 | 1450
| Green Space in Constucted Areas (hectare) | 4047 | 4368 | 4680 | 5076
| Rate of Green Space in Constructed Areas (%) | 38.8 | 40.6 | 41.6 | 42.1
| Per Capita Green Area of Park (sq.m) | 7.10 | 8.60 | 11.35 | 12.12
| Urban Parks (park) | 18 | 19 | 21 | 21
| Park Area (hectare) | 387 | 328 | 458 | 465
| Water, Air and Noise |  |  |
| Rate up to the Standards of Water Quality for Urban Potable Water Sources (%) | 100.0 | 99.8 | 100.0 | 100.0
| Proportion of Days with Air Pollution Index less than 100 to Whole Year (%) | 84.3 | 88.8 | 85.2 | 86.1
| Average Value of Noise in Whole Area (dB) | 54.1 | 55.0 | 55.0 | 55.0
| Average Value of Noise Along Main Traffic Artery (dB) | 67.9 | 67.1 | 66.8 | 67.0
| Harmless Disposal of Household Garbage and Excrement |  |  |
| Wastes Transported (10,000 tons) | 45.60 | 31.80 | 43.50 | 46.64
| Volume of Garbage Disposal (10000 ton) | 42.00 | 31.80 | 43.48 | 46.64
| Rate of Harmless Disposal of Household Garbage (%) | 92.1 | 100.0 | 100.0 | 100.0
| Rate of Harmless Disposal of Excrement and Urine (%) | 100.0 | 100.0 | 100.0 | 100.0