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Chinese Journal of Applied Ecology ›› 2021, Vol. 32 ›› Issue (10): 3743-3752.doi: 10.13287/j.1001-9332.202110.024

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Intra-annual high resolution stable isotope records of tree ring: Methods, progress and prospects

LI Yao, ZENG Xiao-min*, NI Ping, WANG Wen-chao, LIU Xiao-hong   

  1. School of Geography and Tourism, Shaanxi Normal University, Xi'an 710119, China
  • Received:2021-03-22 Revised:2021-07-26 Online:2021-10-15 Published:2022-04-15
  • Contact: * E-mail: zengxm1021@snnu.edu.cn
  • Supported by:
    National Natural Science Foundation of China (41807431, 41971104), the National Science Foundation of Shaanxi Province (2019JQ-325), and the Fundamental Research Funds for the Central Universities (GK202103140, GK202007012).

Abstract: Stable isotope ratios of tree ring can effectively record climate and environmental changes during tree growth and the physiological responses of trees to such changes. Intra-annual high resolution stable isotope ratios of tree ring can provide more detailed climatic and environmental information, reveal the physiological and ecological response mechanism of trees to seasonal climatic variation, and thus with great potential in the study of paleoclimate and global change ecology. Based on the intra-annual high resolution stable isotope ratios related literature since 1990, we reviewed the research progress of intra-annual high resolution tree ring stable isotope records in the aspects of sample stripping method, chemical extraction method of α-cellulose and application, and further proposed the potential and future development direction of intra-annual high resolution tree ring stable isotope records.

Key words: tree ring, stable isotope ratio, intra-annual variation, climatic signal