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Forest Ecosystems

Table 3 Characteristics of the various soil particle-size distribution (PSD) in the three soil profiles layers of different forest types

From: Effects of three coniferous plantation species on plant‐soil feedbacks and soil physical and chemical properties in semi‐arid mountain ecosystems

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 –
  1. The different lowercase letters refer to significant differences among different soil layers in the same plantation stands (P < 0.05)
  2. – indicates no data
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