Table 1.
Site information and soil biogeochemical characteristic in this study
| Study site | EBF1050 | DBF1750 | CF2550 | SAS2750 |
|---|---|---|---|---|
| Elevation | 1009–1057 m | 1725–1844 m | 2530–2590 m | 2720–2776 m |
| Vegetation types | Evergreen broadleaved forest | Deciduous broadleaved forest | Coniferous forest | Subalpine shrub |
| Soil organic carbon (g kg−1) | 52.58 ± 10.21b | 28.22 ± 1.01a | 59.51 ± 5.25b | 60.95 ± 4.98b |
| Total nitrogen (g kg−1) | 4.14 ± 0.63b | 1.83 ± 0.12a | 4.22 ± 0.30b | 4.50 ± 0.36b |
| Available nitrogen (g kg−1) | 0.29 ± 0.03b | 0.18 ± 0.01a | 0.33 ± 0.03bc | 0.42 ± 0.04c |
| The ratio of SOC to TN | 12.25 ± 0.53a | 15.74 ± 0.73c | 14.00 ± 0.50b | 13.52 ± 0.13ab |
| Soil pH | 6.58 ± 0.32c | 5.36 ± 0.19b | 4.99 ± 0.05b | 4.38 ± 0.03a |
| Soil moisture (%) | 37.47 ± 2.30b | 49.13 ± 1.69c | 44.52 ± 1.60c | 28.86 ± 1.10a |
| Soil temperature at a 10 cm depth (°C) | 20.02 ± 1.78d | 16.71 ± 0.12c | 10.83 ± 0.18a | 12.07 ± 0.35b |
| Shannon index of plant | 2.73 ± 0.16c | 2.41 ± 0.14bc | 2.10 ± 0.09b | 0.84 ± 0.10a |
Data present the mean value and standard error (n = 8). The same lowercase letters within the same row mean the difference was not significant, whereas the difference was significant P < 0.05.