Progress in permafrost vegetation research based on bibliometrics
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摘要: 本研究利用文献计量学方法统计分析了1985-2021年由Web of Science核心数据库收录的全球2867篇(其中青藏高原157篇)冻土植被研究的相关文献。结果显示，研究论文数量逐年增加，青藏高原文献数量年增长率(19.94%)高于全球研究文献(13.76%)。遥感技术、模型算法等研究技术也被大量应用。拥有冻土的国家贡献了57.55%的独立研究，同时国际合作文献数量逐年递增。全球冻土植被研究的重点在于估算冻土融化导致的碳排放以及冻土地区植物在固碳中的作用，而青藏高原的研究重点独立于全球热点，主要集中在冻土地区植被和生态系统的退化。预测在未来冻土植被研究中，全球研究主要关注碳循环，而青藏高原的研究则关注退化过程。青藏高原独树一帜的研究方向可为全球冻土植被研究带来独特的视角，青藏高原地区也必将成为全球冻土植被最重要的研究区域之一。Abstract: In the current study, we used bibliometric methods to count permafrost vegetation studies at the global (2867) and Qinghai-Tibet Plateau scales (157) from the Web of Science core database from 1985 to 2021. Permafrost vegetation research has grown year by year, with increasing use of remote sensing technology and model algorithms. Those countries with permafrost showed the highest contribution to the literature. The number of cooperative studies among countries has increased year by year, higher than the number of independent studies. In general, global permafrost vegetation studies have focused on carbon emission estimations under permafrost melting and carbon sequestration by plants, while studies on the Qinghai-Tibet Plateau have focused on the degradation of vegetation and ecosystems in permafrost regions. Given the high diversity of ecosystems on the Qinghai-Tibet Plateau, it is more vulnerable to degradation caused by permafrost melting. Future studies will likely continue to explore the carbon cycle at a larger scale, as well as the degradation process on the Qinghai-Tibet Plateau. The unique research direction on the Qinghai-Tibet Plateau should bring a different perspective to global permafrost vegetation research, with the region becoming one of the most important study areas for permafrost vegetation.
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Keywords:
- Permafrost /
- Qinghai-Tibet Plateau /
- Vegetation /
- Climate change
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