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Network Analysis of Seed Flow, a Traditional Method for Conserving Tartary Buckwheat ( Fagopyrum tataricum ) Landraces in Liangshan, Southwest China

Author

Listed:
  • Yingjie Song

    (College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China)

  • Qiong Fang

    (College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China)

  • Devra Jarvis

    (Bioversity International, Maccarese, 00057 Rome, Italy
    Department of Crop and Soil Science, Washington State University, Pullman, WA 99164, USA)

  • Keyu Bai

    (China-Bioversity International, Room 611 Old Building, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China)

  • Dongmei Liu

    (State Environmental Protection Key Laboratory of Regional Eco-Process and Function Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China)

  • Jinchao Feng

    (College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China)

  • Chunlin Long

    (College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
    Key Laboratory of Ethnomedicine (Minzu University of China), Ministry of Education, Beijing 100081, China
    Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China)

Abstract

The Yi ethnic group in Liangshan Prefecture, Sichuan Province in Southwest China have cultivated Tartary buckwheat ( Fagopyrum tataricum ) for at least a thousand years. Tartary buckwheat landraces are maintained through their traditional seed system. Field work and social network methodologies were used to analyze the seed sources and their flows, and to create a seed network map. Self-saving, exchanging with neighbors and relatives, and purchasing from the market were the main means farmers used to save and exchange Tartary buckwheat seeds. The flow of seed within villages was higher than between villages. Wedding dowry was an important pathway for seed flow among all of the villages. Of the 13 Tartary buckwheat landraces maintained, four landraces were exchanged frequently. The seed exchange network structure was affected by the number of Tartary buckwheat landraces, the age of nodal households, geographic environment, culture, and cultural groups. Nodal households play an important role in the conservation and on-farm management of Tartary buckwheat landraces.

Suggested Citation

  • Yingjie Song & Qiong Fang & Devra Jarvis & Keyu Bai & Dongmei Liu & Jinchao Feng & Chunlin Long, 2019. "Network Analysis of Seed Flow, a Traditional Method for Conserving Tartary Buckwheat ( Fagopyrum tataricum ) Landraces in Liangshan, Southwest China," Sustainability, MDPI, vol. 11(16), pages 1-14, August.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:16:p:4263-:d:255458
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    References listed on IDEAS

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    1. Luz P. Llamas-Guzmán & Elena Lazos Chavero & Hugo R. Perales Rivera & Alejandro Casas, 2022. "Seed Exchange Networks of Native Maize, Beans, and Squash in San Juan Ixtenco and San Luis Huamantla, Tlaxcala, Mexico," Sustainability, MDPI, vol. 14(7), pages 1-34, March.
    2. Yingjie Song & Devra I. Jarvis & Keyu Bai & Jinchao Feng & Chunlin Long, 2020. "Assessment of the Resilience of a Tartary Buckwheat ( Fagopyrum tataricum ) Cultivation System in Meigu, Southwest China," Sustainability, MDPI, vol. 12(14), pages 1-12, July.
    3. Rouger, Baptiste & Goldringer, Isabelle & Barbillon, Pierre & Miramon, Anne & Naino Jika, Abdel Kader & Thomas, Mathieu, 2023. "Sensitivity analysis of a crop metapopulation model," Ecological Modelling, Elsevier, vol. 475(C).

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