Figures (2)  Tables (3)

    • Figure 1. 

      Richness and diversity index calculated from DGGE.

    • Figure 2. 

      NMDS analysis of (a) bacterial, (b) fungal and (c) Basidiomycota community. The empty and solid points indicate rubber plantation and rainforest samples. Circle, square and triangle indicate paired rubber plantation vs. rainforest (replicated locations 1, 2, 3).

    • SRRP
      Organic C (g kg−1)26.4 ± 1.2*19.9 ± 1.5
      Organic N (g kg−1)2.4 ± 0.11.6 ± 0.1
      Inorganic N (mg kg−1)9.1 ± 0.67.1 ± 0.7
      C/N11.0 ± 0.312.4 ± 0.3*
      PH5.8 ± 0.1*4.7 ± 0.1
      Soil aggregate
      distribution      		> 2 mm59.064.2*
      0.25−2 mm12.3*6.8
      0.25−0.053 mm11.9*7.0
      < 0.053 mm16.722.0*
      LOC (g kg−1)1.4 ± 0.1*0.9 ± 0.1
      MBC (g kg−1)0.9 ± 0.1*0.6 ± 0.1
      Litter dry weight (kg ha−1)3,000−5,0005,000−7,000
      * indicated p < 0.05.

      Table 1. 

      The soil characteristics of seasonal rainforests (SR) and rubber plantations (RP) of Southwest China.

    • BacteriaFungiBasidiomycota
      SR1 vs. RP1***NS.
      SR2 vs. RP2****NS.
      SR3 vs. RP3*NS.**
      SR1 vs. RP2*****
      SR1 vs. RP3NS.**
      SR2 vs. RP1***NS.
      SR2 vs. RP3***
      SR3 vs. RP1**NS.
      SR3 vs. RP2NS.*NS.
      SR1 vs. SR2*NS.NS.
      SR2 vs. SR3***
      SR3 vs. SR1*NS.*
      RP1 vs. RP2**NS.
      RP1 vs. RP3****
      RP2 vs. RP3***
      * Indicated p < 0.1; ** indicated p < 0.5; *** indicated p < 0.01.

      Table 2. 

      Pairwise comparison of microbial communities between seasonal rain forest (SR) and rubber plantation (RP), or among the sample forest type.

    • BacteriaFungiBasidiomycota
      Effect of SR-to-RP1.917**1.882**0.930
      Effect of Site2.918**1.744**1.425
      Effect of SR-to-RP* site2.640**1.922**1.111
      * Indicated p < 0.1; ** indicated p < 0.5; *** indicated p < 0.01.

      Table 3. 

      CCA analysis of microbial communities between seasonal rain forest (SR) and rubber plantation (RP), or among the sample forest type.