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Arid Land Geography ›› 2026, Vol. 49 ›› Issue (3): 521-533.doi: 10.12118/j.issn.1000-6060.2025.325

• Climatology and Hydrology • Previous Articles     Next Articles

Visual analysis of the effects of precipitation on non-structural carbohydrate in plants based on CiteSpace

ZHANG Yaru1(), HE Yingying1(), YU Minghan2, WU Hao1, ZHENG Xiang1, ZHANG Ping1   

  1. 1. College of Forestry and Prataculture, Ningxia University, Yinchuan 750021, Ningxia, China
    2. College of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China
  • Received:2025-06-04 Revised:2025-09-16 Online:2026-03-25 Published:2026-03-24
  • Contact: HE Yingying E-mail:17795590987@163.com;heyingying@nxu.edu.cn

Abstract:

Under the global climate change context, alterations to precipitation patterns have significantly affected the dynamic balance of non-structural carbohydrates (NSC) in plants, thereby exerting a profound impact on plant carbon metabolism and ecosystem functions. Based on the Web of Science core database, the CiteSpace software was used to perform a multidimensional visual analysis of 288 related studies published from 1999 to 2024, systematically sorting out the research hotspots, knowledge structure, and development trends in this field. Results showed that (1) The number of related published papers exhibits a continuous growth trend. The core journals are dominated by the “Tree Physiology” journal. China and the United States emerged as the research cores in this field, which are respectively ranked first and second in terms of the number of published papers. (2) Climate change, drought stress, and carbon allocation are the core themes in keyword clustering, whereas NSC dynamics are closely linked to osmotic regulation and photosynthesis in plants. (3) Regarding technical methods, carbon isotope tracing and isohydration behavior analysis have promoted research on NSC distribution mechanisms under water limitation. In the future, it is essential to focus on the interaction between multiscale precipitation variation and CO2 and nitrogen deposition, expand research on NSC dynamics and carbon balance at the ecosystem scale, and provide theoretical support for climate change response.

Key words: non-structural carbohydrates (NSC), precipitation patterns, visual analysis, carbon allocation