Article (Scientific journals)
Seasonal variations and co-occurrence networks of bacterial communities in the water and sediment of artificial habitat in Laoshan Bay, China.
Fang, Guangjie; Yu, Haolin; Sheng, Huaxiang et al.
2022In PeerJ, 9, p. 12705
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Keywords :
Artificial reefs; Habitat degradation; Keystone species; Marine biodiversity; Potential interaction
Abstract :
[en] Marine bacteria in the seawater and seafloor are essential parts of Earth's biodiversity, as they are critical participants of the global energy flow and the material cycles. However, their spatial-temporal variations and potential interactions among varied biotopes in artificial habitat are poorly understood. In this study, we profiled the variations of bacterial communities among seasons and areas in the water and sediment of artificial reefs using 16S rRNA gene sequencing, and analyzed the potential interaction patterns among microorganisms. Distinct bacterial community structures in the two biotopes were exhibited. The Shannon diversity and the richness of phyla in the sediment were higher, while the differences among the four seasons were more evident in the water samples. The seasonal variations of bacterial communities in the water were more distinct, while significant variations among four areas were only observed in the sediment. Correlation analysis revealed that nitrite and mud content were the most important factors influencing the abundant OTUs in the water and sediment, respectively. Potential interactions and keystone species were identified based on the three co-occurrence networks. Results showed that the correlations among bacterial communities in the sediment were lower than in the water. Besides, the abundance of the top five abundant species and five keystone species had different changing patterns among four seasons and four areas. These results enriched our understanding of the microbial structures, dynamics, and interactions of microbial communities in artificial habitats, which could provide new insights into planning, constructing and managing these special habitats in the future.
Disciplines :
Aquatic sciences & oceanology
Author, co-author :
Fang, Guangjie;  Fisheries College, Ocean University of China, Qingdao, Shandong, China
Yu, Haolin ;  Université de Liège - ULiège > Freshwater and OCeanic science Unit of reSearch (FOCUS) ; Fisheries College, Ocean University of China, Qingdao, Shandong, China
Sheng, Huaxiang;  Fisheries College, Ocean University of China, Qingdao, Shandong, China
Chen, Chuanxi;  College of ocean and earth sciences, Xiamen University, Xiamen, Fujian, China
Tang, Yanli;  Fisheries College, Ocean University of China, Qingdao, Shandong, China
Liang, Zhenlin;  Marine College, Shandong University, Weihai, Shandong, China
Language :
English
Title :
Seasonal variations and co-occurrence networks of bacterial communities in the water and sediment of artificial habitat in Laoshan Bay, China.
Publication date :
2022
Journal title :
PeerJ
eISSN :
2167-8359
Publisher :
PeerJ Inc., United States
Volume :
9
Pages :
e12705
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
This study was funded by the Project of Investigation of Fishery Resource of Marine Ranching from the Department of Agriculture and Countryside of Shandong Province. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.We thank all scientific staff and crew members of Qingdao Longpan Company for their assistance in the surveys. This study was funded by the Project of Investigation of Fishery Resource of Marine Ranching from the Department of Agriculture and Countryside of Shandong Province. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
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