Table 2. Changes in landscape index in two buffer zones from 1995 to 2020.
| Year | Study range | SHDI | SHEI | LSI | CONTAG |
|---|---|---|---|---|---|
| 1995 | 2km | 0.1662 | 0.0928 | 2.7844 | 92.5362 |
| 4km | 0.4605 | 0.2570 | 5.6870 | 80.6801 | |
| 2000 | 2km | 0.1653 | 0.0923 | 2.8282 | 92.5599 |
| 4km | 0.4620 | 0.2578 | 5.7389 | 80.5710 | |
| 2005 | 2km | 0.1654 | 0.0923 | 2.8244 | 92.5550 |
| 4km | 0.4622 | 0.2579 | 5.7389 | 80.5624 | |
| 2010 | 2km | 0.1654 | 0.0923 | 2.8244 | 92.5550 |
| 4km | 0.4624 | 0.2581 | 5.7407 | 80.5504 | |
| 2015 | 2km | 0.1661 | 0.0854 | 2.8282 | 93.1192 |
| 4km | 0.4653 | 0.2391 | 5.7796 | 81.9556 | |
| 2020 | 2km | 0.1677 | 0.0936 | 2.7672 | 92.4719 |
| 4km | 0.4689 | 0.2410 | 5.8259 | 81.8104 |
SHDI: Shannon’s diversity index; SHEI: Shannon′s Evenness Index; LSI: Landscape shape index; CONTAG: Contagion index.