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Generation and Discharge of Pollutants in Closed Aquaculture

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  • SUN, Wansheng
  • FU, Zhiru
  • YU, Jie
  • ZHANG, Ling
  • WANG, Baofeng

Abstract

[Objectives] To gain an in-depth understanding of pollutant generation and discharge from closed aquaculture. [Methods] In 2018, the pollutant generation and discharge coefficients of 7 farming modes in 16 farming bases were calculated and analyzed. [Results] A total of 28 pollutant generation coefficients and 28 pollutant discharge coefficients were obtained, and the generation and discharge of pollutants in closed aquaculture were grasped preliminarily. Compared with the data of the first census of pollutions sources published by the state in 2008, 7 kinds of pollution generation coefficients increased, while 14 kinds decreased; and 4 kinds of pollutant discharge coefficients increased, while 17 kinds decreased. [Conclusions] In recent years, the pollutant generation and discharge coefficients of aquaculture show a decreasing trend.

Suggested Citation

  • SUN, Wansheng & FU, Zhiru & YU, Jie & ZHANG, Ling & WANG, Baofeng, 2022. "Generation and Discharge of Pollutants in Closed Aquaculture," Asian Agricultural Research, USA-China Science and Culture Media Corporation, vol. 14(04), April.
    • Handle: RePEc:ags:asagre:330036
    DOI: 10.22004/ag.econ.330036
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    Keywords

    Agribusiness;

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