李天沛, 汪小旵, 施印炎, 等. 南京市江宁区鱼菜共生技术模式的综合效益评价与分析[J]. 华南农业大学学报, 2024, 45(0): 1-9. DOI: 10.7671/j.issn.1001-411X.202406045
    引用本文: 李天沛, 汪小旵, 施印炎, 等. 南京市江宁区鱼菜共生技术模式的综合效益评价与分析[J]. 华南农业大学学报, 2024, 45(0): 1-9. DOI: 10.7671/j.issn.1001-411X.202406045
    LI Tianpei, WANG Xiaochan, SHI Yinyan, et al. Evaluation and analysis of comprehensive benefits of aquaponics in Jiangning District, Nanjing City[J]. Journal of South China Agricultural University, 2024, 45(0): 1-9. DOI: 10.7671/j.issn.1001-411X.202406045
    Citation: LI Tianpei, WANG Xiaochan, SHI Yinyan, et al. Evaluation and analysis of comprehensive benefits of aquaponics in Jiangning District, Nanjing City[J]. Journal of South China Agricultural University, 2024, 45(0): 1-9. DOI: 10.7671/j.issn.1001-411X.202406045

    南京市江宁区鱼菜共生技术模式的综合效益评价与分析

    Evaluation and analysis of comprehensive benefits of aquaponics in Jiangning District, Nanjing City

    • 摘要:
      目的 鱼菜共生技术结合水产养殖和作物栽培优势,具有氮素转化利用率高、节水减排的特点,可以实现经济和环境效益双赢;但鱼菜共生生产过程涉及的经济和环境指标多,当前缺乏对该生产模式进行综合效益评价的研究。本研究对鱼菜共生系统的环境和经济效益进行量化分析并进行系统性评价与比较,以期为鱼菜共生技术的定性定量分析和研究提供新思路。
      方法 基于南京鱼菜共生农场的实际建造和运营数据,以环境效益和经济效益为主要评价指标,通过经验公式法计算氮转化和氮排放量,并通过实测法定性、定量计算鱼菜共生系统氮转化和排放量,基于农场问卷和调研结果计算鱼菜共生系统的各项经济指标。
      结果 采用鱼菜共生技术后,总氮排放量比单一水产养殖模式减少99.45%,氨氮排放量减少99.73%。饲料成本是鱼菜共生农场运行时的主要成本来源,占比达75.96%。水产养殖收入在总收入中占比89.74%,是种植收入和服务收入总和的8.75倍。
      结论 本研究建立了鱼菜共生系统的经济性评价指标和方法,建立了科学的鱼菜共生综合效益评价体系,对鱼菜共生技术的生态效益和经济效益评价有一定的指导意义,可为鱼菜共生技术的研究和应用提供多维度参考。

       

      Abstract:
      Objective Aquaponics technology combines the advantages of aquaculture and crop cultivation, featuring high nitrogen conversion utilization as well as water saving and emission reduction, realizing a win-win situation for both economic and environmental benefits, but aquaponics system involves many economic links and environmental indicators, and there are fewer current studies on comprehensive benefit evaluation of this production model. In this study, the environmental and economic benefits of aquaponics systems were quantitatively analysed, systematically evaluated and compared, with a view to providing new ideas for qualitative and quantitative analyses and research on aquaponics technology.
      Method Based on the actual construction and operation data of the aquaponics farm in Nanjing, this study took environmental and economic benefits as two main evaluation indexes, calculated nitrogen transformation and nitrogen emission through the empirical formula method, qualitatively and quantitatively calculated nitrogen transformation and emission of the aquaponics system through the measurement method, and calculated the economic indexes of the aquaponics system based on the questionnaire of the farm and the results of the research.
      Result After adopting aquaponics technology, the total nitrogen emission was reduced by 99.45% and the ammonia nitrogen emission was reduced by 99.73% compared with the single aquaculture mode. Feed cost was the main source of cost when running the aquaponics farm, accounting for 75.96%. Aquaculture income accounted for 89.74% of the total income, which was 8.75 times more than the sum of planting income and service income.
      Conclusion This study establishes the economic evaluation indexes and methods of aquaponics system, and establishes the scientific comprehensive benefit evaluation system of aquaponicse, which has certain guiding significance for the evaluation of ecological and economic benefits of aquaponics technology, and can provide multi-dimensional references for the research and application of aquaponics technology.

       

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