Table 2 Average value and standard deviation of major environmental factors in each group
Group | Altitude (m) | Distance from coast (m) | Annual mean temperature (°C) | Annual mean precipitation (mm) | Slope (degree) | Canopy gap (%) |
|---|---|---|---|---|---|---|
I | 74.3 ± 0.3 | 1460.9 ± 1254.2 | 15.0 ± 0.3 | 1659.2 ± 227.2 | 8.5 ± 8.3 | 46.1 ± 39.9 |
II | 125.2 ± 52.0 | 3822.9 ± 2801.5 | 15.0 ± 0.4 | 1747.0 ± 65.0 | 12.8 ± 9.0 | 15.5 ± 10.1 |
III | 142.7 ± 108.1 | 4302.6 ± 2902.5 | 14.8 ± 0.5 | 1605.6 ± 224.6 | 7.1 ± 8.5 | 16.4 ± 8.0 |
IV | 365.0 ± 108.3 | 6061.1 ± 1287.5 | 14.0 ± 0.5 | 1616.1 ± 107.9 | 10.4 ± 8.5 | 23.6 ± 8.5 |
Grand mean | 129.2 ± 112.1 | 2855.1 ± 2498.5 | 14.9 ± 0.5 | 1664.4 ± 194.5 | 9.4 ± 8.5 | 33.6 ± 33.3 |