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<p>The long-term survival of large cardamom (<i>Amomum subulatum</i> Roxb.) is increasingly at risk due to changing climate patterns and the rise in pest and disease outbreaks. This study evaluates the climate resilience of six large cardamom cultivars Seremna, Dzongu Golsey, Sawney, Ramsey, Ramla, and Varlangey using a combined approach of Indigenous Knowledge (IK) and the Multi Criteria Decision Making (MCDM) method called TOPSIS (Technique for Order Preference by Similarity to Ideal Solution). Data were gathered through Participatory Rural Appraisal tools, surveys, and expert consultations with Lepcha farmers from the Dzongu region. Five key criteria were prioritized: productivity, resistance to pests and diseases, lifespan, climate adaptability, and environmental tolerance. These criteria were weighted and analyzed using TOPSIS to calculate each cultivar’s resilience score. Seremna is the most climate-resilient cultivar, with a Closeness Coefficient of 0.94, performing best across all resilience measures. Dzongu Golsey and Sawney ranked in the middle, while Ramla and Varlangey ranked lowest. This study highlights the value of community led assessments in identifying climate-resilient crops and demonstrates the usefulness of participatory MCDM methods in agroecological planning. By combining IK with structured analysis provides a flexible and context-aware model and shows the advantages of integrating in selecting climate-resilient large cardamom cultivars. The findings also draw attention to the climate sensitivity of large cardamom cultivars in the Sikkim Himalaya.</p>

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Climate resilience of large cardamom cultivars in Sikkim Himalaya: insights from participatory MCDM and indigenous knowledge of Lepcha community

  • 期刊论文

  • 发表日期：

    2025年11月24日

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  • Jhony Lepcha,
  • Kailash S. Gaira,
  • Neekita Sharma Kafley,
  • Dinesh Bhujel,
  • Rajesh Joshi,
  • Sandeep Rawat

摘要

The long-term survival of large cardamom (Amomum subulatum Roxb.) is increasingly at risk due to changing climate patterns and the rise in pest and disease outbreaks. This study evaluates the climate resilience of six large cardamom cultivars Seremna, Dzongu Golsey, Sawney, Ramsey, Ramla, and Varlangey using a combined approach of Indigenous Knowledge (IK) and the Multi Criteria Decision Making (MCDM) method called TOPSIS (Technique for Order Preference by Similarity to Ideal Solution). Data were gathered through Participatory Rural Appraisal tools, surveys, and expert consultations with Lepcha farmers from the Dzongu region. Five key criteria were prioritized: productivity, resistance to pests and diseases, lifespan, climate adaptability, and environmental tolerance. These criteria were weighted and analyzed using TOPSIS to calculate each cultivar’s resilience score. Seremna is the most climate-resilient cultivar, with a Closeness Coefficient of 0.94, performing best across all resilience measures. Dzongu Golsey and Sawney ranked in the middle, while Ramla and Varlangey ranked lowest. This study highlights the value of community led assessments in identifying climate-resilient crops and demonstrates the usefulness of participatory MCDM methods in agroecological planning. By combining IK with structured analysis provides a flexible and context-aware model and shows the advantages of integrating in selecting climate-resilient large cardamom cultivars. The findings also draw attention to the climate sensitivity of large cardamom cultivars in the Sikkim Himalaya.