Seasonal Succession of Bacterial Communities in the Land-Based Container with Recycling Water Aquaculture System
文献类型： 外文期刊
作者： Gao, Na 1 ; Wang, Yize 2 ; Fang, Ting 1 ; Liang, Yangyang 1 ; Cui, Kai 1 ; Chen, Jinliang 3 ; Lu, Wenxuan 1 ;
作者机构： 1.Anhui Acad Agr Sci, Fisheries Res Inst, Key Lab Freshwater Aquaculture & Enhancement Anhui, Hefei 230031, Peoples R China
2.Shihezi Univ, Coll Life Sci, Shihezi 832003, Peoples R China
3.Youjiliangzhuang Agrotechnol Co Ltd, Fuyang 236629, Peoples R China
期刊名称：AQUACULTURE RESEARCH （ 影响因子：2.0； 五年影响因子：2.3 ）
ISSN： 1355-557X
年卷期： 2023 年 2023 卷
页码：
收录情况： SCI
摘要： The land-based container with recycling water aquaculture system (C-RAS) has gained popularity in China due to its water conservation and pollution reduction capabilities. However, there is a dearth of theoretical research on this subject. In this study, water from Koi-cultured container and three-stage eco-ponds was sampled over three seasons and then the bacterial communities were analyzed. The findings of this study indicate that the implementation of three-stage eco-ponds significantly enhances water quality. Specifically, during the summer season, eco-ponds exhibit the highest removal efficiencies of total nitrogen and total phosphorus in comparison to other seasons. During winter, the bacterial communities' operational taxonomic units, diversity, and richness experience a substantial decline. The system was dominated by Proteobacteria, Bacteroidota, and Actinobacteriota phyla. The lower relative abundance of Actinobacteriota and Cyanobacteria elucidated the reason for the lower off-flavor compounds in container-cultured fish compared to pond-cultured fish. The bacterial community was significantly influenced by water temperature and pH, as revealed by canonical correspondence analysis. These findings establish a fundamental basis for the development of a healthy and sustainable C-RAS technology.
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