Fig. 6. UPGMA dendrogram of microbial communities based on 16S rDNA DGGE profiles of tropical peat swamp soil samples generated with Phoretix software (Non-Liniear
Dynamics, Durham, USA). NF: Natural forest; OPPB: Oil palm plantation after burning with the age of oil palm plants 5–6 years; RA: Restoration area, while the digit (1, 2 and
3) of all soil samples refer to triplicate samples.