The in situ remediation of aquaculture water and sediment by commercial probiotics immobilized on different carriers
文献类型： 外文期刊
作者： Yi, Mengmeng 1 ; Wang, Chun 2 ; Wang, He 1 ; Zhu, Xi 1 ; Liu, Zhigang 1 ; Gao, Fengying 1 ; Ke, Xiaoli 1 ; Cao, Jianmeng; 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Pearl River Fisheries Res Inst,Minist Agr, Key Lab Trop & Subtrop Fishery Resource Applicat, Guangdong Prov Key Lab Aquat Anim Immune Technol, Guangzhou 510380, Peoples R China
2.Beijing Technol & Business Univ, State Environm Protect Key Lab Food Chain Pollut, Beijing 100048, Peoples R China
3.Dalian Ocean Univ, Key Lab Environm Controlled Aquaculture, Minist Educ, Dalian 116023, Peoples R China
关键词： aquaculture water; immobilized probiotic; in situ remediation; microbial community
期刊名称：WATER REUSE
ISSN： 2709-6092
年卷期：
页码：
收录情况： SCI
摘要： In the present study, we investigated the effect of probiotics immobilized by oyster shells (Os), vesuvianite (Ve) and walnut shells (Ws) on the remediation of aquaculture water and sediment by analyzing the variation of ammonia-nitrogen (NH4-N), nitrate-nitrogen (NO3-N), nitrite-nitrogen (NO2-N), total nitrogen (TN), total phosphorus (TP) and chemical oxygen demand (CODCr), as well as the microbiota of the water and sediment. The positive or negative effects of the treatment groups on the water quality parameters were both observed. Compared with their effects on water quality parameters, the treatment groups had better effects on sediment parameters. Group Ve had the best remediation effect of NH4-N and NO3-N in the sediment (decreased by 5.22 and 1.66 times, respectively). Group Os showed a lower relative concentration of TN and CODCr (decreased by 3.77 and 0.95 times, respectively). The high-throughput sequencing results revealed that the immobilized probiotics increased the relative abundances of functional bacteria in the treatment groups at the phylum and genus level. The above results showed that probiotics immobilized by oyster shells, vesuvianite and walnut shells positively affected the aquaculture environment's remediation, especially the sediment.
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