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<p>Tree-based pineapple agroecosystems (TBPA) represent one of the most prevalent and culturally rooted systems maintained by indigenous communities in Tripura, Northeast India. TBPAS are traditional land-use systems in which pineapple is grown together with trees, shrubs, or other crops on the same piece of land. These systems combine benefits of fruit production with environmental sustainability and diversified farm income besides being practiced for restoration of degraded land. Therefore, present study investigates a comprehensive assessment of floristic diversity, community structure, biomass distribution, and carbon stock of TBPA systems across 22 representative sites. A total of 101 plant species belonging to 94 genera and 57 families were recorded and stratified across distinct top and under-canopy layers. Floristic analysis revealed a high dominance of multipurpose tree species, i.e., <i>Gmelina arborea</i>, <i>Shorea robusta</i>, and <i>Anogeissus acuminata</i>. The result recorded mean above-ground biomass of 202.92&#xa0;Mg&#xa0;ha⁻<sup>1</sup>, with vegetation carbon storage averaging 106.06&#xa0;Mg&#xa0;ha⁻<sup>1</sup>. The soils exhibited high acidity (pH 4.87), driven by intense leaching and organic acid production. Sandy-loam textures supported good aeration and drainage, while high soil moisture in surface layers (25.43%) reflected strong mulching effects. The total SOC stock (35.30&#xa0;Mg&#xa0;ha⁻<sup>1</sup>), representing 56.7% of total ecosystem carbon, demonstrated a balanced distribution between soil and vegetation carbon pools. This study is crucial for demonstrating the ecological importance of TBPA systems as biodiversity reservoirs and significant carbon sinks, reinforcing their value in climate‐resilient land-use planning at regional and global levels.</p>

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Floristic composition, carbon stocks and soil characteristics in tree-based pineapple agroecosystems of Tripura, Northeast India

  • 期刊论文

  • 发表日期：

    2026年5月26日

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  • Dipankar Deb,
  • Sourabh Deb

摘要

Tree-based pineapple agroecosystems (TBPA) represent one of the most prevalent and culturally rooted systems maintained by indigenous communities in Tripura, Northeast India. TBPAS are traditional land-use systems in which pineapple is grown together with trees, shrubs, or other crops on the same piece of land. These systems combine benefits of fruit production with environmental sustainability and diversified farm income besides being practiced for restoration of degraded land. Therefore, present study investigates a comprehensive assessment of floristic diversity, community structure, biomass distribution, and carbon stock of TBPA systems across 22 representative sites. A total of 101 plant species belonging to 94 genera and 57 families were recorded and stratified across distinct top and under-canopy layers. Floristic analysis revealed a high dominance of multipurpose tree species, i.e., Gmelina arborea, Shorea robusta, and Anogeissus acuminata. The result recorded mean above-ground biomass of 202.92 Mg ha⁻1, with vegetation carbon storage averaging 106.06 Mg ha⁻1. The soils exhibited high acidity (pH 4.87), driven by intense leaching and organic acid production. Sandy-loam textures supported good aeration and drainage, while high soil moisture in surface layers (25.43%) reflected strong mulching effects. The total SOC stock (35.30 Mg ha⁻1), representing 56.7% of total ecosystem carbon, demonstrated a balanced distribution between soil and vegetation carbon pools. This study is crucial for demonstrating the ecological importance of TBPA systems as biodiversity reservoirs and significant carbon sinks, reinforcing their value in climate‐resilient land-use planning at regional and global levels.