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Analysis of Peatland Research Trends Based on BERTopic

Author

Listed:
  • A-Ram Yang

    (Global Forestry Division, Future Forest Strategy Department, National Institute of Forest Science, Seoul 02455, Republic of Korea)

  • Jeongyeon Chae

    (Global Forestry Division, Future Forest Strategy Department, National Institute of Forest Science, Seoul 02455, Republic of Korea)

  • Eunho Choi

    (Global Forestry Division, Future Forest Strategy Department, National Institute of Forest Science, Seoul 02455, Republic of Korea)

Abstract

Peatlands comprise approximately 3% of the land area worldwide. Peatland exists in most countries, including tropical, subtropical, and boreal regions. Accordingly, peatland has garnered increased research attention as a potential countermeasure against climate change. Therefore, it is necessary to identify and comprise the topics constituting global peatland research. In this study, we applied BERTopic—a topic modeling technique—to analyze relatedness between research topics to classify global peatland research trends, evaluate changes over time, and analyze the relationships between topics. To this end, we searched the keyword “peatland” on ScienceDirect—a global academic publication data platform—and collected the titles and abstracts from 10,158 publications from 1953 to 2022 for dynamic topic modeling and network analysis. Eighty-two peatland research topics were identified, which were combined into 15 main topics. Over time, an increasing trend was observed in topics related to production, management, and fire. In addition, upon analysis of the relationships between topics, three groups centered on fire, peatland value, and carbon were identified. We anticipate that the findings of this study can be expanded to analyze trends in research related to fires in peatlands, regional characteristics of peat soil, prediction of greenhouse gases emission and mitigation due to peatland fires, and prediction of future peatland research topics.

Suggested Citation

  • A-Ram Yang & Jeongyeon Chae & Eunho Choi, 2024. "Analysis of Peatland Research Trends Based on BERTopic," Land, MDPI, vol. 13(5), pages 1-17, May.
    • Handle: RePEc:gam:jlands:v:13:y:2024:i:5:p:628-:d:1389690
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    References listed on IDEAS

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    1. Kløve, Bjørn & Berglund, Kerstin & Berglund, Örjan & Weldon, Simon & Maljanen, Marja, 2017. "Future options for cultivated Nordic peat soils: Can land management and rewetting control greenhouse gas emissions?," Environmental Science & Policy, Elsevier, vol. 69(C), pages 85-93.
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