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Table 1 Soil properties as well as litter and fine-root biomass of the C. fargesii and S. superba stands

From: Root-order-associated variations in fine-root decomposition and their effects on soil in a subtropical evergreen forest

 

Castanopsis fargesii

Schima superba

Community types

Climax evergreen broad-leaved forest

Sub-climax evergreen broad-leaved forest

Dominant tree species

C. fargesii

S. superba

Liquidambar formosana

S. superba

Lithocarpus glabra

Pinus massoniana

TOC (g kg−1)

56.7 ± 3.3a

35.0 ± 1.3b

TN (g kg−1)

5.2 ± 0.1a

2.6 ± 0.1b

pH

3.9 ± 0.1b

4.7 ± 0.4a

Bulk density (g cm−3)

1.07 ± 0.06b

1.30 ± 0.04a

Saturation moisture content (%)

37.8 ± 0.3a

30.5 ± 1.1b

Soil temperature (°C)

13.3 ± 0.1a

13.4 ± 0.2a

Soil C/N ratio

11.0 ± 0.6b

13.3 ± 0.2a

Soil MBC (mg kg−1)

296.5 ± 20.4a

271.9 ± 16.8a

Litter biomass (kg m−2)

1.3 ± 0.1a

1.6 ± 0.2a

Fine-root biomass (t hm−2)

3.1 ± 0.2a

2.8 ± 0.04a

  1. Different letters for each property indicate significant differences between these two stands (P ≤ 0.05)
  2. TOC total organic carbon, TN total nitrogen, C carbon, N nitrogen, MBC microbial biomass carbon