Soil depth layer | Temperature (℃) | Moisture (%) | Salinity (mS cm–1) | TC (g kg–1) | TN (g kg–1) | TP (g kg−1) | C/N | TOC (g kg–1) | AN (mg kg−1) | AP (mg kg−1) | pH | Clay (%) | Silt (%) | Sand (%) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Active layer (n = 30) | 6.27 (0.31)a | 41.22 (2.86)a | 0.05 (0.005) | 183.87 (11.70)a | 9.40 (0.59)a | 2.90 (0.22)a | 19.67 (0.43) | 33.62 (1.15) | 1157.59 (80.80) | 16.18 (1.73)a | 5.21 (0.11) | 1.31 (0.13) | 19.74 (1.46) | 78.95 (1.59) |
Transition layer (n = 30) | 2.43 (0.16)b | 81.24 (3.82)b | 0.06 (0.01) | 128.00 (10.80)b | 6.37 (0.57)b | 2.20 (0.16)b | 23.45 (2.86) | 30.28 (1.31) | 955.01 (61.17) | 17.15 (1.95)a | 5.13 (0.12) | 1.70 (0.16) | 24.21 (1.70) | 74.09 (1.86) |
Permafrost layer (n = 30) | −0.45 (0.05)c | 75.58 (4.91)b | 0.07 (0.01) | 92.81 (7.41)c | 5.00 (0.43)b | 2.08 (0.09)b | 20.46 (2.19) | 31.08 (1.31) | 1053.30 (103.30) | 24.19 (3.27)b | 5.17 (0.11) | 1.84 (0.24) | 25.03 (2.43) | 73.14 (2.66) |