Deep-sea cage culture altered microbial community composition in the sediments of the Yellow Sea Cold Water Mass

被引：0
|
作者：
Li, Shuting [1 ]
Li, Li [1 ,2 ]
Gao, Qinfeng [1 ,2 ]
Dong, Shuanglin [1 ,2 ]
Shi, Shuai [1 ]
机构：
[1] Ocean Univ China, Key Lab Mariculture, Minist Educ, Qingdao 266003, Peoples R China
[2] Qingdao Natl Lab Marine Sci & Technol, Funct Lab Marine Fisheries Sci & Food Prod Proc, Qingdao 266235, Shandong, Peoples R China
来源：
MARINE POLLUTION BULLETIN | 2022年 / 183卷
关键词：
Microbial community; Yellow Sea Cold Water Mass; Aquaculture pollution; Biomarkers; BACTERIAL COMMUNITIES; SURFACE SEDIMENTS; HEAVY-METALS; GEN; NOV; AQUACULTURE; DIVERSITY; REMOVAL; NITROGEN; IMPACTS; CHINA;
D O I：
10.1016/j.marpolbul.2022.114081
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Environmental impacts of the first submersible salmonid culture cage, which was launched in the deep-sea of the Yellow Sea Cold Water Mass, were investigated. The temporal and spatial variations of several physicochemical parameters were observed in both the bottom and sediment pore water. Aquaculture activities decreased bac-terial richness in the sediment. The dominant phyla Proteobacteria, Desulfobacterota and Acidobacteriota, accounted for 30.42 % of the total bacteria community. Principal component analysis indicated that the bacterial composition in December was different from that in the other three months, and the aquaculture activity affected the distribution of the sediment microbial community in June, August and April. Planctomycetes was selected as biomarkers in the aquaculture area by linear discriminant analysis effect size. Redundancy analysis showed that the biomarkers were positively correlated with temperature and the concentration of nitrite in June, and negatively correlated with the dissolved oxygen in August and April.
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页数：10
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