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Responses of bacterial and three sub-microeukaryote communities in the water of white shrimp Penaeus vannamei aquaculture ponds in two polyculture models

文献类型： 外文期刊

作者： Fan, Limin 1 ; Li, Fajun 3 ; Chen, Xi 1 ; Shen, Lihong 4 ; Chu, Yuyao 2 ; Qiu, Liping 1 ; Hu, Gengdong 1 ; Song, Chao 1 ; Li, Dandan 1 ; Meng, Shunlong 1 ; Chen, Jiazhang 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Key Lab Freshwater Fisheries & Germplasm Resources, Minist Agr & Rural Affairs, Wuxi 214081, Peoples R China

2.Nanjing Agr Univ, Wuxi Fisheries Coll, Wuxi 214081, Peoples R China

3.Weifang Univ Sci & Technol, Shandong Peninsula Engn Res Ctr Comprehens Brine U, Shouguang 262700, Peoples R China

4.Shanghai Pudong New Area Fisheries Technol Extens, Shanghai 201200, Peoples R China

关键词： white shrimp Penaeus vannamei; polyculture; bacterial community; sub-microeukaryote communities; water

期刊名称：CANADIAN JOURNAL OF MICROBIOLOGY （ 影响因子：2.8； 五年影响因子：2.9 ）

ISSN： 0008-4166

年卷期： 2023 年 69 卷 7 期

页码：

收录情况： SCI

摘要： Polyculture operations in freshwater aquaculture ponds can disrupt microbial communities. High-throughput sequencing was used to assess the impact of polyculture operations on bacterial and three sub-microeukaryote communities (fungi, zoo plankton, and eukaryotic phytoplankton) in Penaeus vannamei aquaculture ponds containing oriental river prawns and giant freshwater prawns, respectively. The results showed that the bacterial community was less sensitive than the microeukaryote communities to both the polyculture activity and environmental variations. The polyculture of giant freshwater prawns rather than oriental river prawns was the primary factor affecting the beta diversity of the three sub-microeukaryote communities. This may be due to the larger biomass of the polyculture varieties of giant freshwater prawns compared with oriental river prawns. The polyculture activity of giant freshwater prawns with a higher density and that of oriental river prawns with a lower density increased the stochasticity of the community assembly of the three sub-microeukaryote communities. It also affected the topological properties of the microbial communities, including greater correlations between ecosystem elements, and reducing the correlations among zooplanktons. The eukaryotic phytoplankton was the only microbial community that could also be explained by nutrient variation (mainly the total nitrogen). This highlights the potential role of the eukaryotic phytoplankton as a suitable indicator of the effects of nutrient input into ecosystems.

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