Purification Effect of Fish-Algae Coupling on Nitrogen and Phosphorus in Shrimp Aquaculture Effluent
文献类型： 外文期刊
作者： Sun, Zhiwei 1 ; Hu, Xiaojuan 1 ; Xu, Yu 1 ; Wen, Guoliang 1 ; Su, Haochang 1 ; Pan, Zhiheng 1 ; Cao, Yucheng 1 ;
作者机构： 1.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Southern Marine Sci & Engn Guangdong Lab Zhuhai, Guangzhou 510300, Peoples R China
2.Minist Agr & Rural Affairs, Key Lab South China Sea Fishery Resources Exploita, Guangdong Prov Key Lab Fishery Ecol & Environm, Guangzhou 510300, Peoples R China
关键词：
GIFT
期刊名称：FISHES （ 影响因子：2.4； 五年影响因子：2.4 ）
ISSN：
年卷期： 2024 年 9 卷 12 期
页码：
收录情况： SCI
摘要： As the scale of shrimp aquaculture continues to expand, the environmental impacts of shrimp effluents have become increasingly severe. The purification of aquaculture effluents can no longer be overlooked. Effectively reducing the discharge of aquaculture wastewater and mitigating its potential pollution risks to the surrounding aquatic ecological environment are key issues that need to be addressed to promote the industry's development towards a greener, more environmentally friendly, and sustainable path. This study explored the purification effect of the integration of tilapia and Spirulina on tail water from a zero-water-exchange aquaculture of whiteleg shrimp (Litopenaeus vannamei) in seawater, with the aim of assessing the growth performance of tilapia and the efficacy of the fish-algae integration in purifying tail water from the perspective of tail water resource utilisation. The study found that the removal rates of the biofloc sedimentation volume and total suspended particle concentration in the fish-algae group were 42.6% and 29.6%, respectively. The removal rates of phosphate and total phosphorus in the fish-algae group were 26.3% and 20.8%, respectively. Research indicates that tilapia effectively removes suspended organic matter from water. Introducing Spirulina into this water body aids in the removal of soluble nitrogen and phosphorus from the effluent, and tilapia exhibit a favourable feeding response to Spirulina.
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