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Volume 16 Issue 1
Mar.  2025
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LI Jiancong, CHEN Xin, CHEN Yingjie, LIU Yinyi, TANG Min. Response of marine eukaryotic microfouling communities to hydrodynamic variation in subtropical Sea[J]. Journal of Tropical Biology, 2025, 16(1): 115-124. doi: 10.15886/j.cnki.rdswxb.20240026
Citation: LI Jiancong, CHEN Xin, CHEN Yingjie, LIU Yinyi, TANG Min. Response of marine eukaryotic microfouling communities to hydrodynamic variation in subtropical Sea[J]. Journal of Tropical Biology, 2025, 16(1): 115-124. doi: 10.15886/j.cnki.rdswxb.20240026

Response of marine eukaryotic microfouling communities to hydrodynamic variation in subtropical Sea

doi: 10.15886/j.cnki.rdswxb.20240026
  • Received Date: 2024-02-09
  • Rev Recd Date: 2024-03-14
  • Publish Date: 2025-03-15
  • To reveal the impact of hydrodynamic changes on eukaryotic microbial communities in marine fouling,outdoor microcosm experiments were conducted by employing environmental microbial high-throughput sequencing technology to investigate the compositional structure and functional characteristics of eukaryotic microbial communities under different hydrodynamic conditions. There were 146 genus of eukaryotic microorganisms belonging to 18 phylum detected. Clustering analysis reveals significant differences in the microbial community structures between dynamic and static sample groups. The dominant phyla and genera in eukaryotic microbial communities varied under different materials and hydrodynamic conditions. Specifically, in the static group, the phylum Nematoda was dominant, with the genus Mononchus being the most abundant. In the dynamic group the dominant microbial phylum on the surface of the weak hydrodynamic group was Chlorophyta on the materials of fiber reinforced plastics and aluminum alloy, while it was Nematoda in the transferred group.The dominant microbial phylum on the surfaces of the strong hydrodynamic group on all the three materials was Haptophyta, but the community richness and diversity were lower in the strong hydrodynamic group. Cluster analysis revealed significant differences in microbial community structure between dynamic and static sample groups. Moreover, there were differences in metabolic pathways among communities under different hydrodynamic conditions, indicating that changes in hydrodynamic conditions also altered the correlations among species in the eukaryotic microbial community.
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Response of marine eukaryotic microfouling communities to hydrodynamic variation in subtropical Sea

doi: 10.15886/j.cnki.rdswxb.20240026

Abstract: To reveal the impact of hydrodynamic changes on eukaryotic microbial communities in marine fouling,outdoor microcosm experiments were conducted by employing environmental microbial high-throughput sequencing technology to investigate the compositional structure and functional characteristics of eukaryotic microbial communities under different hydrodynamic conditions. There were 146 genus of eukaryotic microorganisms belonging to 18 phylum detected. Clustering analysis reveals significant differences in the microbial community structures between dynamic and static sample groups. The dominant phyla and genera in eukaryotic microbial communities varied under different materials and hydrodynamic conditions. Specifically, in the static group, the phylum Nematoda was dominant, with the genus Mononchus being the most abundant. In the dynamic group the dominant microbial phylum on the surface of the weak hydrodynamic group was Chlorophyta on the materials of fiber reinforced plastics and aluminum alloy, while it was Nematoda in the transferred group.The dominant microbial phylum on the surfaces of the strong hydrodynamic group on all the three materials was Haptophyta, but the community richness and diversity were lower in the strong hydrodynamic group. Cluster analysis revealed significant differences in microbial community structure between dynamic and static sample groups. Moreover, there were differences in metabolic pathways among communities under different hydrodynamic conditions, indicating that changes in hydrodynamic conditions also altered the correlations among species in the eukaryotic microbial community.

LI Jiancong, CHEN Xin, CHEN Yingjie, LIU Yinyi, TANG Min. Response of marine eukaryotic microfouling communities to hydrodynamic variation in subtropical Sea[J]. Journal of Tropical Biology, 2025, 16(1): 115-124. doi: 10.15886/j.cnki.rdswxb.20240026
Citation: LI Jiancong, CHEN Xin, CHEN Yingjie, LIU Yinyi, TANG Min. Response of marine eukaryotic microfouling communities to hydrodynamic variation in subtropical Sea[J]. Journal of Tropical Biology, 2025, 16(1): 115-124. doi: 10.15886/j.cnki.rdswxb.20240026
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