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The evaluation results of ecological security in 2005 and 2010.
| Evaluation Results of 2005 | Evaluation Results of 2010 | |||
|---|---|---|---|---|
| Areas (km2) | Percentages (%) | Areas (km2) | Percentages (%) | |
| CLASS 1 | 141.90 | 1.68 | 47.46 | 0.56 |
| CLASS 2 | 854.46 | 10.09 | 581.47 | 6.87 |
| CLASS 3 | 4753.35 | 56.11 | 4568.95 | 53.98 |
| CLASS 4 | 1603.92 | 18.93 | 1849.09 | 21.85 |
| CLASS 5 | 1117.71 | 13.19 | 1416.83 | 16.74 |
