Integrating seasonal dynamics and human impact on microbial biomass carbon across deep soil profiles in tropical Sal forest of Achanakmar-Amarkantak Biosphere Reserve, India

  • 0Department of Forestry, Wildlife and Environmental Sciences, School of Natural Resources, Guru Ghasidas Vishwavidyalaya, Bilaspur, Chhattisgarh, 495009, India. singhsamyak95@gmail.com.

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Summary

This summary is machine-generated.

Human activities in mixed Sal forests reduce soil microbial biomass carbon (SMBC), impacting soil fertility and ecosystem resilience. Conserving these forests is vital for climate change mitigation and soil sustainability.

Area Of Science

  • Forest Ecology
  • Soil Science
  • Microbiology

Background

  • Forest soils are critical for climate mitigation, nutrient cycling, and food security.
  • Mixed Sal forests are vital for soil health, but human disturbances degrade them.
  • Understanding impacts on soil microbial biomass carbon (SMBC) is essential for conservation.

Purpose Of The Study

  • To investigate the effects of human interference on soil microbial biomass carbon (SMBC) in mixed Sal forests.
  • To analyze the vertical and seasonal dynamics of SMBC under contrasting forest conditions (closed vs. open).
  • To assess the implications for soil fertility and forest resilience.

Main Methods

  • Comparison of SMBC in closed (unaffected) and open (disturbed) mixed Sal forests.
  • Analysis across different soil depths (D1-D5).
  • Assessment of seasonal variations (monsoon, post-monsoon, pre-monsoon).

Main Results

  • Closed forests exhibited significantly higher SMBC than open forests across all soil depths.
  • SMBC decreased with soil depth in both forest types.
  • SMBC showed strong seasonal variation, being highest in the monsoon and declining sharply in post-monsoon and pre-monsoon periods, with greater declines in open forests.

Conclusions

  • Human interference in mixed Sal forests significantly reduces SMBC, compromising soil fertility and ecosystem resilience.
  • Reduced SMBC due to disturbances weakens the forest's capacity to mitigate climate change.
  • Conservation efforts and reduced human disturbance are crucial for maintaining soil sustainability and ecosystem stability.

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