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Table 1 Site characteristics of sedimentary and ultrabasic sites on Mount Kinabalu, Sabah, Malaysia

From: Contrasting effects of exogenous phosphorus application on N2O emissions from two tropical forest soils with contrasting phosphorus availability

  Meta-sedimentary (MS) Ultrabasic (UB)
Slope (°)a 19 11
Basal Area (m2 ha−1)a 36.2 40.7
Stem density (m2 ha−1)a 1064 1175
Above ground biomass (kg m−2)a 49.1 55.2
ANPP (g m−2 year−1)a 1913 1715
Clay content (%)b 37.8 45.6
Soil organic C (%)a 2.9 2.4
Soil total N (%)a 0.21 0.21
Soil C:Na 13.8 11.4
Soil pH in H2Oa 4.1 4.5
Field bulk densityb 0.89 0.83
Soil P pools per 30 cm (g m−2)c
 Ca-Pi 1.71 2.07
 CO3-Pi 0.07 0.22
 OH-Pi 8.40 7.50
 Occl-Pi 22.19 1.60
 CO3-Po 2.23 4.71
 OH-Po 12.16 13.06
 HCl-Po 14.61 0.03
 Total Po 28.99 17.79
 Total P 61.36 29.19
Bray-1 P (μg P g soil−2)d 2.18 (0.21) 0.94 (0.06)
  1. aFrom Aiba and Kitayama (1999) and Kitayama and Aiba (2002)
  2. bFrom Wagai et al. (2008) using 0–10 cm surface mineral horizon
  3. cFrom Kitayama et al. (2000) and Kitayama et al. (2004)
  4. dThe present study. The values indicate the average of 5 replication ± standard error