How to control pollution from tailwater in large scale aquaculture in China: A review

文献类型： 外文期刊

第一作者： Li, Kui

作者： Li, Kui;Jiang, Ruitong;Qiu, Junqiang;Shao, Liu;Zhang, Jianheng;He, Wenhui;He, Peimin;Li, Kui;Qiu, Junqiang;Shao, Liu;Zhang, Jianheng;Liu, Qigen;He, Wenhui;He, Peimin;Li, Kui;Jiang, Ruitong;He, Wenhui;He, Peimin;Li, Kui;Wang, Hua;Liu, Jinlin;Jiang, Zengjie

作者机构：

关键词： Large-scale aquaculture; Pollution control; Wetland plant; IMTA; Recirculating aquaculture

期刊名称：AQUACULTURE （ 影响因子：3.9； 五年影响因子：4.1 ）

ISSN： 0044-8486

年卷期： 2024 年 590 卷

页码：

收录情况： SCI

摘要： In recent years, the rapid development of the large-scale aquaculture industry has generated substantial economic benefits, positioning it as one of the fastest -growing sectors in global agricultural production. However, improper management practices in aquaculture, including overfeeding, improper feed selection, antibiotic misuse, high stocking densities, inappropriate choice of aquaculture species, and improper discharge of aquaculture wastewater, have resulted in significant watershed pollution in agriculture and the wastage of valuable resources. To address these challenges, extensive research and application of wastewater treatment technologies have been conducted in large-scale aquaculture in China. This review provides an overview of current cases and applications of wastewater treatment in large-scale aquaculture in China, focusing on four common intensive wastewater treatment methods: constructed wetland treatment model, ecological ditch treatment model, Integrated Multi-trophic Aquaculture model, and recirculating aquaculture model. The constructed wetlands utilize plants and microorganisms to purify both organic and inorganic pollutants in water, while ecological ditches employ engineering measures such as sedimentation ponds, interception ditches, and aeration devices to achieve wastewater treatment. Additionally, other aquaculture models are highlighted, such as Integrated Multitrophic Aquaculture (IMTA), which emphasizes synergistic interactions between aquaculture species and the recycling of nutrients, and the Recirculating Aquaculture Systems (RAS), which utilize water circulation and treatment equipment for wastewater treatment. The consequences and benefits of these systems in pollution reduction are described. These treatment technologies have made significant progress, offering theoretical guidance for environmentally friendly aquaculture production and the maintenance of ecological stability in aquaculture water bodies. Each wastewater treatment model has a different function, target, and methodology. Finally, this paper proposes directions and recommendations for future pollution management in large-scale aquaculture in China, including strengthening technological research and development, the combined application of multiple treatment models, promoting industry collaboration, and achieving resource sharing. These efforts will contribute to further promoting the sustainable development of China 's aquaculture industry and provide valuable experiences and references for other countries and regions.

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