Tree species
|
Soil depth
|
Clay (%)
|
Silt (%)
|
Sand (%)
|
< 2 µm
|
2.00–20.00 µm
|
20.00–50.00 µm
|
50.00–100.00 µm
|
100.00–250.00 µm
|
250.00–500.00 µm
|
500–2000 µm
|
Larix principis-rupprechtii
|
0–10 cm
|
8.66 ± 0.38a
|
48.75 ± 0.71a
|
27.21 ± 0.35a
|
9.24 ± 0.51b
|
4.46 ± 0.53b
|
3.38 ± 0.45b
|
0.18 ± 0.09c
|
10–20 cm
|
8.13 ± 0.35a
|
43.67 ± 0.96a
|
25.70 ± 0.26b
|
10.06 ± 0.10b
|
6.65 ± 0.44b
|
6.41 ± 0.46a
|
1.86 ± 0.22b
|
20–30 cm
|
5.96 ± 0.50b
|
31.92 ± 4.49b
|
22.99 ± 0.34c
|
13.90 ± 1.21a
|
10.65 ± 1.44a
|
7.10 ± 0.46a
|
3.06 ± 0.55a
|
Picea crassifolia
|
0–10 cm
|
9.23 ± 0.17a
|
51.35 ± 0.79a
|
29.63 ± 0.49a
|
8.61 ± 0.41b
|
1.40 ± 0.23b
|
3.79 ± 0.63c
|
–
|
10–20 cm
|
8.03 ± 0.32a
|
46.45 ± 2.23a
|
26.93 ± 0.56a
|
8.43 ± 0.34b
|
3.70 ± 1.11ab
|
6.51 ± 0.38b
|
–
|
20–30 cm
|
6.31 ± 0.58b
|
32.72 ± 3.49b
|
18.23 ± 3.84b
|
11.75 ± 0.61a
|
5.83 ± 0.77a
|
10.30 ± 0.74a
|
–
|
Pinus tabuliformis
|
0–10 cm
|
8.88 ± 0.29a
|
47.07 ± 0.45c
|
18.62 ± 2.00b
|
8.37 ± 0.96a
|
1.03 ± 0.32a
|
20.63 ± 1.41a
|
–
|
10–20 cm
|
7.78 ± 0.64ab
|
53.15 ± 1.07b
|
24.99 ± 0.42a
|
5.95 ± 0.58b
|
2.11 ± 0.26b
|
5.89 ± 0.89b
|
–
|
20–30 cm
|
6.46 ± 0.54b
|
59.03 ± 1.82a
|
27.66 ± 1.68a
|
4.12 ± 0.63b
|
7.37 ± 2.31c
|
3.02 ± 0.59b
|
–
|
- The different lowercase letters refer to significant differences among different soil layers in the same plantation stands (P < 0.05)
- – indicates no data