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<p>Forest vegetation is important for maintaining a healthy ecosystem. In Nepal, small-scale community managed forestry is considered as highly successful program in biodiversity conservation and carbon capture. This study assessed sub-tropical mixed community managed forest of Nuwakot district of central Nepal focusing on forest structure and carbon stock potential. Using stratified sampling, 30 plots (10&#xa0;m × 10&#xa0;m) were established, with nested sub-plots for vegetation data collection: 10&#xa0;m × 10&#xa0;m for adults, 5&#xa0;m × 5&#xa0;m for saplings, and 1&#xa0;m × 1&#xa0;m for seedlings. Our findings revealed 19 tree species under 16 families, with <i>Castanopsis indica</i> (IVI, 90.7) and <i>Schima wallichii</i> (IVI, 82.3) dominating the forest. High species diversity was observed as indicated by Shannon’s index (3.35) and Simpson’s index (0.03) though species evenness was low (0.18). Regeneration was good with 89.1% seedling, 6.4% sapling and 4.6% adults and a reverse J-shaped density-diameter curve. Forest recorded 112.6 ton/ha carbon with highest in <i>S. wallichii</i> (38.6 ton/ha) and <i>C. indica</i> (37.1 ton/ha). The soil in the study forest was black, with high humus content, containing 2.5% carbon and a pH of 5.26. This study therefore suggests that the mid-hill community forests of Nepal have good potential for biodiversity conservation and climate mitigation through carbon sequestration.</p>

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Role of small-scale forestry in biodiversity conservation and carbon stock: A case study from Central Nepal Himalaya

  • 期刊论文

  • 发表日期：

    2026年6月17日

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  • Anusha Lohani,
  • Sumina Khadka,
  • Suresh Prashad Bhatta,
  • Niraj Khanal,
  • Krishna Prasad Sharma

摘要

Forest vegetation is important for maintaining a healthy ecosystem. In Nepal, small-scale community managed forestry is considered as highly successful program in biodiversity conservation and carbon capture. This study assessed sub-tropical mixed community managed forest of Nuwakot district of central Nepal focusing on forest structure and carbon stock potential. Using stratified sampling, 30 plots (10 m × 10 m) were established, with nested sub-plots for vegetation data collection: 10 m × 10 m for adults, 5 m × 5 m for saplings, and 1 m × 1 m for seedlings. Our findings revealed 19 tree species under 16 families, with Castanopsis indica (IVI, 90.7) and Schima wallichii (IVI, 82.3) dominating the forest. High species diversity was observed as indicated by Shannon’s index (3.35) and Simpson’s index (0.03) though species evenness was low (0.18). Regeneration was good with 89.1% seedling, 6.4% sapling and 4.6% adults and a reverse J-shaped density-diameter curve. Forest recorded 112.6 ton/ha carbon with highest in S. wallichii (38.6 ton/ha) and C. indica (37.1 ton/ha). The soil in the study forest was black, with high humus content, containing 2.5% carbon and a pH of 5.26. This study therefore suggests that the mid-hill community forests of Nepal have good potential for biodiversity conservation and climate mitigation through carbon sequestration.