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Chinese Journal of Applied Ecology ›› 2017, Vol. 28 ›› Issue (7): 2399-2404.doi: 10.13287/j.1001-9332.201707.006

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Selection of isotopic baselines in marine ecosystems

GONG Yi1, CHEN Ling2, LI Yun-kai1,3,4*   

  1. 1College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China
    2Ningbo Marine Environmental Monitoring Centre, State Oceanic Administration, Ningbo 315012, Zhejiang, China
    3National Engineering Research Centre for Oceanic Fisheries, Shanghai 201306, China
    4Co-construction Key Laboratory of Sustainable Exploitation of Oceanic Fisheries Resources, Ministry of Education, Shanghai 201306, China
  • Received:2016-12-28 Revised:2017-04-02 Published:2017-07-18
  • Contact: *mail:ykli@shou.edu.cn
  • Supported by:
    This work was supported by the Natural Science Foundation of Shanghai (17ZR1413000) and National Science Foundation of China (41541042).

Abstract: Stable isotope analysis has been widely used in marine food web studies. An appropriate isotopic baseline is essential for calculating diet or trophic position of marine organisms when using stable isotopic data. This paper provided an overview of the selection of isotopic baselines for four ty-pical marine ecosystems, i.e. estuary and bay, neritic zone, oceanic zone, and deep sea. The interferential factors of baseline selection and the significance of compound specific stable isotope in minimizing the effects of temporal-spatial variations of isotopic baseline were summarized, and the issues needed to be solved in this field and several directions for further research were presented. It would provide a beneficial reference for further research on stable isotope ecology in marine ecosystems.