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Water Bacterial and Fungal Community Compositions Associated with Urban Lakes, Xi’an, China

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  • Haihan Zhang

    (School of Environmental and Municipal Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
    Institute of Environmental Microbial Technology, Xi’an University of Architecture and Technology, Xi’an 710055, China)

  • Yue Wang

    (School of Environmental and Municipal Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
    Institute of Environmental Microbial Technology, Xi’an University of Architecture and Technology, Xi’an 710055, China)

  • Shengnan Chen

    (School of Environmental and Municipal Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
    Institute of Environmental Microbial Technology, Xi’an University of Architecture and Technology, Xi’an 710055, China)

  • Zhenfang Zhao

    (School of Environmental and Municipal Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
    Institute of Environmental Microbial Technology, Xi’an University of Architecture and Technology, Xi’an 710055, China)

  • Ji Feng

    (School of Environmental and Municipal Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
    Institute of Environmental Microbial Technology, Xi’an University of Architecture and Technology, Xi’an 710055, China)

  • Zhonghui Zhang

    (School of Environmental and Municipal Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
    Institute of Environmental Microbial Technology, Xi’an University of Architecture and Technology, Xi’an 710055, China)

  • Kuanyu Lu

    (School of Environmental and Municipal Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
    Institute of Environmental Microbial Technology, Xi’an University of Architecture and Technology, Xi’an 710055, China)

  • Jingyu Jia

    (School of Environmental and Municipal Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
    Institute of Environmental Microbial Technology, Xi’an University of Architecture and Technology, Xi’an 710055, China)

Abstract

Urban lakes play a vital role in the sustainable development of urbanized areas. In this freshwater ecosystem, massive microbial communities can drive the recycling of nutrients and regulate the water quality. However, water bacterial and fungal communities in the urban lakes are not well understood. In the present work, scanning electron microscopy (SEM) was combined with community level physiological profiles (CLPPs) and Illumina Miseq sequence techniques to determine the diversity and composition of the water bacterial and fungal community in three urban lakes, namely Xingqing lake (LX), Geming lake (LG) and Lianhu lake (LL), located in Xi’an City (Shaanxi Province, China). The results showed that these three lakes were eutrophic water bodies. The highest total nitrogen (TN) was observed in LL, with a value of 12.1 mg/L, which is 2 times higher than that of LG. The permanganate index (COD Mn ) concentrations were 21.6 mg/L, 35.4 mg/L and 28.8 mg/L in LG, LL and LX, respectively ( p < 0.01). Based on the CLPPs test, the results demonstrated that water bacterial communities in the LL and LX urban lakes had higher carbon source utilization ability. A total of 62,742 and 55,346 high quality reads were grouped into 894 and 305 operational taxonomic units (OTUs) for bacterial and fungal communities, respectively. Water bacterial and fungal community was distributed across 14 and 6 phyla. The most common phyla were Proteobacteriaand Cyanobacteria. Cryptomycota was particularly dominant in LL, while Chytridiomycota and Entomophthormycota were the most abundant fungal phyla, accounting for 95% of the population in the LL and 56% in the LG. Heat map and redundancy analysis (RDA) highlighted the dramatic differences of water bacterial communities among three urban lakes. Meanwhile, the profiles of fungal communities were significantly correlated with the water quality parameters (e.g., COD Mn and total nitrogen, TN). Several microbes ( Legionella sp. and Streptococcus sp.) related to human diseases, such as infectious diseases, were also found. The results from this study provides useful information related to the water quality and microbial community compositions harbored in the aquatic ecosystems of urban lakes.

Suggested Citation

  • Haihan Zhang & Yue Wang & Shengnan Chen & Zhenfang Zhao & Ji Feng & Zhonghui Zhang & Kuanyu Lu & Jingyu Jia, 2018. "Water Bacterial and Fungal Community Compositions Associated with Urban Lakes, Xi’an, China," IJERPH, MDPI, vol. 15(3), pages 1-18, March.
    • Handle: RePEc:gam:jijerp:v:15:y:2018:i:3:p:469-:d:135214
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    References listed on IDEAS

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    1. Hai-Han Zhang & Sheng-Nan Chen & Ting-Lin Huang & Wei-Xing Ma & Jin-Lan Xu & Xin Sun, 2015. "Vertical Distribution of Bacterial Community Diversity and Water Quality during the Reservoir Thermal Stratification," IJERPH, MDPI, vol. 12(6), pages 1-13, June.
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    Cited by:

    1. Junzhi Zhang & Xiao He & Huixin Zhang & Yu Liao & Qi Wang & Luwei Li & Jianwei Yu, 2022. "Factors Driving Microbial Community Dynamics and Potential Health Effects of Bacterial Pathogen on Landscape Lakes with Reclaimed Water Replenishment in Beijing, PR China," IJERPH, MDPI, vol. 19(9), pages 1-12, April.
    2. Chao Peng & Pingping Li, 2023. "Abiotic and Biotic Effects on Microbial Diversity of Small Water Bodies in and around Towns," Sustainability, MDPI, vol. 15(10), pages 1-18, May.
    3. Cudowski Adam & Świsłocka Magdalena, 2022. "Species Diversity of Mycoplankton on the Background of Selected Indicators of Water Quality in Stratified Mesotrophic Lakes," IJERPH, MDPI, vol. 19(20), pages 1-16, October.
    4. Xianbiao Lin & Dengzhou Gao & Kaijun Lu & Xiaofei Li, 2019. "Bacterial Community Shifts Driven by Nitrogen Pollution in River Sediments of a Highly Urbanized City," IJERPH, MDPI, vol. 16(20), pages 1-15, October.
    5. Ying Chen & Yu Yao & Xiaoxiang Han & Dujun Li & Ruiming Han, 2022. "In Situ Simultaneous Analysis of Nitrogen and Phosphorus Migration in Urban Black Odorous Runoff," IJERPH, MDPI, vol. 19(20), pages 1-15, October.

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