Depth profile exploration of enzyme activity and culturable microbial community from the oxygen-starved soil of Sundarban mangrove forest, India

  • Das S
  • Sarkar T
  • De M
  • et al.
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Abstract

Populations of culturable microbes and active-ties of dehydrogenase & β-D glucosidase were found maximum in surface soil and decreased with increase in depth in Sundarban mangrove environment. The maximum (13.529 × 10 6 C.F.U g –1 dry weight of soil) and minimum (11.547 × 10 6 C.F.U g –1 dry weight of soil) total microbial po-pulations in surface soil were recorded during post-monsoon and monsoon respectively. At 60 cm depth, the minimum (6.396 × 10 6 C.F.U g –1 dry weight of soil) and maximum (8.003 × 10 6 C.F.U g –1 dry weight of soil) numbers of total microbial populations were observed during mon-soon and post-monsoon respectively. A decrea-sing trend of total microbial load, enzyme activi-ties and nutrient status with organic carbon were found with increase in depth throughout the year. Present study revealed the relationship among depth integrated variations of physico-chemical components (viz. soil temperature, pH, moisture, organic-C, Nitrate-Nitrogen, and available-P) and microbial populations as well as activity of de-hydrogenase and -D glucosidase enzymes.

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Das, S., Sarkar, T. K., De, M., Ganguly, D., Maiti, T. K., Mukherjee, A., … De, T. K. (2011). Depth profile exploration of enzyme activity and culturable microbial community from the oxygen-starved soil of Sundarban mangrove forest, India. Open Journal of Ecology, 01(03), 65–72. https://doi.org/10.4236/oje.2011.13009

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