Microbial Communities in Chesapeake &amp; Ohio Canal National Historical Park and Their Function as Indicators of Water Quality

Yu, Hui; Khan, Asad; Subramanian, Srishty; Vesper, Dorothy J.; Aken, Benoı̂t Van

doi:10.1080/01490451.2019.1612969

Geomicrobiology Journal

2019

DOI: 10.1080/01490451.2019.1612969

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Microbial Communities in Chesapeake & Ohio Canal National Historical Park and Their Function as Indicators of Water Quality

Hui Yu

Asad Khan

Srishty Subramanian

et al.

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Cited by 3 publications

References 32 publications

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Water physicochemical quality as driver of spatial and temporal patterns of microbial community composition in lake ecosystems

Loucif,

Chenchouni

2024

Appl Water Sci

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This study aimed at monitoring and management of the surface water and potentially pathogenic microbes of Lake Tonga (Algeria) with respect to. It characterized the main bacterial diversity patterns of Lake Tonga and predicted from water physicochemical parameters and water quality index (WQI) the distribution of bacterial species and the main indicator groups of faecal water contamination. Water samples were taken monthly at three sampling sites of different water depths. Several physicochemical parameters were measured; of which some were included in computing WQI to characterize the water quality of the lake. Counting, isolation and bacterial identification methods were used to characterize the existing aerobic heterotrophic bacteria. The composition of the microbial community of the waterbody of Lake Tonga included an abundant culturable bacterial flora belonging to several bacterial families and whose specific richness varied between water depths of the sites sampled. Species richness of the bacteria identified phenotypically varied between 7 and 11 per sample. The site with shallow water was the richest in bacterial species, compared to moderate and deep waters. The redundancy analysis showed the main physicochemical drivers of the microbial community composition. Our findings showed that high WQI scores indicated the water quality deterioration which triggered the increase in total load of faecal indicator bacterial groups. This study identified in Lake Tonga an important culturable aerobic bacterial flora whose specific richness and distribution varied spatially following the effects of water physicochemical parameters. Lake Tonga needs an integrated management plan to mitigate human disturbances declining water quality.

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Water physicochemical quality as driver of spatial and temporal patterns of microbial community composition in lake ecosystems

Loucif,

Chenchouni

2024

Appl Water Sci

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The fate of antibiotic resistance genes, microbial community, and potential pathogens in the maricultural sediment by live seaweeds and oxytetracycline

Feng

Xiao

Luo

et al. 2022

Journal of Environmental Management

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Integrated Rice–Fish Culture Alters the Bacterioplankton Community and Its Assembly Processes

Diao,

Yuan,

Jia

et al. 2024

Fishes

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The rice–fish co-culture is an important model of carp farming in China; however, research on the dynamics and assembly of water bacterial communities in this system remains limited. Therefore, this study aimed to explore the dynamics and assembly of bacterial communities, as well as their correlation with environmental factors in paddy water. For these purposes, this study was divided into two groups: a rice–carp co-culture (WRC) group and a rice monoculture (WRM) group, with 20 rice fields in each group. After 60 days of farming, the concentrations of NH4+-N, NO2−-N, TN, and PO43− were significantly higher in the WRC group than those in the WRM group. Alpha diversity analysis showed that the Shannon index in the WRC group was significantly decreased compared with the WRM group. At the phylum level, the relative abundance of Actinobacteria significantly increased, while the relative abundance of Proteobacteria and Bacteroidetes significantly decreased in the paddy water of the WRC group. The neutral community model (NCM) indicated that a random process played a dominant role in the construction of bacterial communities in the two groups, and common carp cultivation increased migration rates, thereby affecting community assembly. The co-occurrence network displayed that common carp cultivation led to looser interactions between bacterial communities. In addition, the contents of nutrients significantly affected the abundance of bacteria in paddy water. In summary, carp cultivation decreased the diversity of bacteria and changed the relative abundance of dominant bacteria, thereby affecting the stability and assembly of bacterial communities.

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Microbial Communities in Chesapeake & Ohio Canal National Historical Park and Their Function as Indicators of Water Quality

Cited by 3 publications

References 32 publications

Water physicochemical quality as driver of spatial and temporal patterns of microbial community composition in lake ecosystems

Water physicochemical quality as driver of spatial and temporal patterns of microbial community composition in lake ecosystems

The fate of antibiotic resistance genes, microbial community, and potential pathogens in the maricultural sediment by live seaweeds and oxytetracycline

Integrated Rice–Fish Culture Alters the Bacterioplankton Community and Its Assembly Processes

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