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<p>The tea estates of the sub-Himalayan region are internationally recognized and well-known not only for their tea but also for their notable ecological diversity. This research work offers the first in-depth documentation of pteridophyte diversity, distribution, and conservation value among the three well-known tea estates of the sub-Himalayan region. Field surveys were conducted from December 2023 to January 2025, which resulted in the recognition of 32 species of pteridophytes belonging to 15 families. Polypodiaceae, Pteridaceae, and Selaginellaceae are the richest families, which show the ecological fitness within the tea agro-ecosystem. A growth habit study showed the dominance of geophytic species, along with epiphytic and lithophytic species, which reflects the heterogeneity of microhabitats within the estate environment. Makaibari Tea Estate showed the highest species richness and diversity, compared to Mission Hill and Rohini tea estate. Among the species, some have ethnobotanical significance and act as a source of food, medicine, or as ornamental plants. The findings of this study highlight the immediate requirement for conservation strategies to protect the indigenous pteridophytes to ensure the ecosystem sustainability of the tea agro-ecosystem of the mid hill tea estates.</p>

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Pteridophytic diversity and conservation priorities in tea estates of the mid-hill region of sub-Himalayan West Bengal, India

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年4月20日

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  • Suvojeet Mukherjee,
  • Saini Sultana,
  • Nahin Millat,
  • Vivek Chettri,
  • Megha Saha,
  • Chandra Ghosh

摘要

The tea estates of the sub-Himalayan region are internationally recognized and well-known not only for their tea but also for their notable ecological diversity. This research work offers the first in-depth documentation of pteridophyte diversity, distribution, and conservation value among the three well-known tea estates of the sub-Himalayan region. Field surveys were conducted from December 2023 to January 2025, which resulted in the recognition of 32 species of pteridophytes belonging to 15 families. Polypodiaceae, Pteridaceae, and Selaginellaceae are the richest families, which show the ecological fitness within the tea agro-ecosystem. A growth habit study showed the dominance of geophytic species, along with epiphytic and lithophytic species, which reflects the heterogeneity of microhabitats within the estate environment. Makaibari Tea Estate showed the highest species richness and diversity, compared to Mission Hill and Rohini tea estate. Among the species, some have ethnobotanical significance and act as a source of food, medicine, or as ornamental plants. The findings of this study highlight the immediate requirement for conservation strategies to protect the indigenous pteridophytes to ensure the ecosystem sustainability of the tea agro-ecosystem of the mid hill tea estates.