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The Effects of Pavement Types on Soil Bacterial Communities across Different Depths

Author

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  • Weiwei Yu

    (State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
    College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
    Co-first author.)

  • Yinhong Hu

    (State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
    College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
    Co-first author.)

  • Bowen Cui

    (State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
    College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China)

  • Yuanyuan Chen

    (Wuhan Botanical Garden, Chinese Academy of Science, Wuhan 430074, China)

  • Xiaoke Wang

    (State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
    College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China)

Abstract

Pavements have remarkable effects on topsoil micro-organisms, but it remains unclear how subsoil microbial communities respond to pavements. In this study, ash trees ( Fraxinus Chinensis ) were planted on pervious pavement (PP), impervious pavement (IPP), and non-pavement (NP) plots. After five years, we determined the soil bacterial community composition and diversity by high-throughput sequencing of the bacterial 16S rRNA gene. The results of our field experiment reveal that the presence of pavement changed soil bacterial community composition and decreased the Shannon index, but had no impact on the Chao 1 at the 0–20 cm layer. However, we achieved the opposite result at a depth of 20–80 cm. Furthermore, there was a significant difference in bacterial community composition using the Shannon index and the Chao 1 at the 80–100 cm layer. Soil total carbon (TC), total nitrogen (TN), available phosphorus (AP), NO 3 − -N, and available potassium (AK) were the main factors that influenced soil bacterial composition and diversity across different pavements. Soil bacterial composition and diversity had no notable difference between PP and IPPs at different soil layers. Our results strongly indicate that pavements have a greater impact on topsoil bacterial communities than do subsoils, and PPs did not provide a better habitat for micro-organisms when compared to IPPs in the short term.

Suggested Citation

  • Weiwei Yu & Yinhong Hu & Bowen Cui & Yuanyuan Chen & Xiaoke Wang, 2019. "The Effects of Pavement Types on Soil Bacterial Communities across Different Depths," IJERPH, MDPI, vol. 16(10), pages 1-11, May.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:10:p:1805-:d:233049
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    References listed on IDEAS

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    1. Liu, Wen & Chen, Weiping & Peng, Chi, 2015. "Influences of setting sizes and combination of green infrastructures on community’s stormwater runoff reduction," Ecological Modelling, Elsevier, vol. 318(C), pages 236-244.
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    Cited by:

    1. Yinhong Hu & Weiwei Yu & Bowen Cui & Yuanyuan Chen & Hua Zheng & Xiaoke Wang, 2021. "Pavement Overrides the Effects of Tree Species on Soil Bacterial Communities," IJERPH, MDPI, vol. 18(4), pages 1-11, February.

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