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Table II
Structural changes in vegetation cover, measured by landscape metrics; PLADJF (percentage of like adjacencies of forest VCT), SHEI (Shannon’s evenness index).
| Year | Patch | Number | Mean | Contagion | PLADJF | SHEI | |
|---|---|---|---|---|---|---|---|
| richness | of | patch | (%) | (%) | |||
| patches | size (ha) | ||||||
| 1938 | 3 | 11 | 1.3 | 31.6 | 66.3 | 0.90 | |
| Site 1 | 1972 | 3 | 14 | 1.0 | 28.1 | 79.7 | 0.98 |
| 2001 | 4 | 25 | 0.6 | 26.4 | 58.3 | 0.94 | |
| 1938 | 3 | 7 | 1.4 | 35.3 | 59.8 | 0.92 | |
| Site 2 | 1971 | 3 | 4 | 2.4 | 37.9 | 73.2 | 0.91 |
| 2001 | 3 | 8 | 1.2 | 38.4 | 72.7 | 0.88 | |
| 1949 | 3 | 18 | 0.5 | 24.2 | 46.7 | 0.95 | |
| Site 3 | 1970 | 3 | 19 | 0.5 | 28.6 | 62.0 | 0.84 |
| 2002 | 4 | 17 | 0.5 | 24.9 | 50.8 | 0.91 | |
| Site 4 | 1949 | 3 | 37 | 1.4 | 31.7 | 79.1 | 1.00 |
| 1974 | 4 | 43 | 1.2 | 39.4 | 80.3 | 0.83 | |
| 1991 | 4 | 52 | 1.0 | 35.8 | 65.0 | 0.90 | |
| Site 5 | 1952 | 3 | 57 | 1.3 | 39.4 | 87.7 | 0.93 |
| 1974 | 3 | 55 | 1.4 | 52.2 | 91.4 | 0.70 | |
| 1995 | 3 | 48 | 1.6 | 66.8 | 93.1 | 0.45 |