Chin J Plant Ecol ›› 2020, Vol. 44 ›› Issue (4生态技术与方法专辑): 0-0.doi: 10.17521/cjpe.2019.0204

   

Water isotope analysis for tracing ecosystem processes: measurement techniques, ecological applications, and future challenges

Xian-hui TANG1,Yong-Le CHEN2,Fang LI1, 3   

  1. 1. College of Life Sciences and Oceanography, Shenzhen University
    2. Shapotou Desert Research and Experimental Station, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences; University of Chinese Academy of Sciences
    3.
  • Received:2019-08-06 Revised:2020-02-12 Online:2020-02-24 Published:2020-03-20

Abstract: Stable oxygen and hydrogen isotope analysis provides an important tool to trace, integrate or indicate water fluxes from leaf, whole-plant to ecosystem levels. Through measuring and analyzing the natural varitions in the hydrogen and oxygen isotope compositions of water from different components of ecosystem, we can partition evapotranspiration of ecosystem, determine source of plant water uptake, and study mechanism of leaf water isotope enrichment. As such, water isotope analysis has emerged as an indispensable technical means to study the mechanism and ecological effects of different processes in ecosystem water cycle. In this study, we briefly reviewed the history of development and application of water isotopes in ecosystems, based on which, we introduced the application principle, technical essentials and research progress of water isotope techniques and methods in the general fields of ecology. Finally, we summarized technological and methodological challenges to be solved in the future ecological research.

Key words: oxygen isotope, deuterium isotope, tracing, water cycle, ecosystem processes

[1] Da TiGe Dongdong Wang Zhenke Zhu Liang Wei Xiaomeng Wei. Tracing technology of carbon isotope and its applications to studies of carbon cycling in terrestrial ecosystem [J]. Chin J Plant Ecol, 2020, 44(4生态技术与方法专辑): 0-0.
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