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Article

Microbial Community Structure and Its Driving Environmental Factors in Black Carp (Mylopharyngodon piceus) Aquaculture Pond

Key Laboratory of Freshwater Biodiversity Conservation, Ministry of Agriculture and Rural Affairs of China Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China
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Academic Editor: Nisikawa Usio
Water 2021, 13(21), 3089; https://doi.org/10.3390/w13213089
Received: 9 September 2021 / Revised: 16 October 2021 / Accepted: 31 October 2021 / Published: 3 November 2021
(This article belongs to the Special Issue Frontiers in Fish Gut and Environmental Microbiomics)
This study focused on monitoring the dynamics of bacterial communities and assessment of the influences of physicochemical parameters during a culture cycle in black carp polyculture ponds. Our results showed high variation in microbial diversity and microbial composition in the water column during the culture period. Proteobacteria, Actinobacteria, and Bacteroidetes were the most abundant phyla, while the abundances of the phyla Cyanobacteria, Firmicutes, and Bacteroidetes changed in different months. Moreover, 13 abundant genera with significant difference were found between different months. Thus, samples in different months were divided into three groups according to principal coordinate analysis (PCoA) and unweighted pair-group method (UPGMA) clustering results. RDA showed that total nitrogen (TN), total phosphorus (TP), phosphate (PO43−-P), nitrate (NO3-N), temperature (T), dissolved oxygen (DO), and pH significantly shaped the microbial community composition in different months. While Pearson correlation coefficient showed that T, SD, and pH were strongly correlated to the dominant genera. Considering some genera are potential pathogenic bacteria, we could manage the black carp pond by quickly monitoring the water temperature and SD in the future. View Full-Text
Keywords: black carp aquaculture pond; microbial community; water column; environmental factors black carp aquaculture pond; microbial community; water column; environmental factors
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MDPI and ACS Style

Li, X.; Liu, L.; Zhu, Y.; Zhu, T.; Wu, X.; Yang, D. Microbial Community Structure and Its Driving Environmental Factors in Black Carp (Mylopharyngodon piceus) Aquaculture Pond. Water 2021, 13, 3089. https://doi.org/10.3390/w13213089

AMA Style

Li X, Liu L, Zhu Y, Zhu T, Wu X, Yang D. Microbial Community Structure and Its Driving Environmental Factors in Black Carp (Mylopharyngodon piceus) Aquaculture Pond. Water. 2021; 13(21):3089. https://doi.org/10.3390/w13213089

Chicago/Turabian Style

Li, Xuemei, Lu Liu, Yongjiu Zhu, Tingbing Zhu, Xingbing Wu, and Deguo Yang. 2021. "Microbial Community Structure and Its Driving Environmental Factors in Black Carp (Mylopharyngodon piceus) Aquaculture Pond" Water 13, no. 21: 3089. https://doi.org/10.3390/w13213089

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