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Effects of Mowing Frequency on Soil Nematode Diversity and Community Structure in a Chinese Meadow Steppe

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  • Jinling Zhao

    (State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, The Chinese Academy of Sciences, Beijing 100093, China
    College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
    Jinling Zhao and Jiale Chen contributed equally to this work.)

  • Jiale Chen

    (Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China
    Jinling Zhao and Jiale Chen contributed equally to this work.)

  • Honghui Wu

    (Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China)

  • Linghao Li

    (State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, The Chinese Academy of Sciences, Beijing 100093, China)

  • Fengjuan Pan

    (Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Harbin 150081, China)

Abstract

Soil nematodes are one of the most important components in terrestrial ecosystems and the critical factor driving the belowground process. The grasslands of Northeast China have been subject to mowing for ages, which theoretically should have had substantial effects on the processes associated with soil nematodes. However, relevant studies have barely been conducted to date. This study examined variations in soil nematode abundance, biomass, diversity, and community structure, with respect to varying mowing frequencies. The results showed that a higher mowing frequency significantly reduced the abundance of soil nematodes, biomass, diversity, and community structure stability in the ecosystem, while intermediate mowing frequency enhanced these parameters to different extents. Our findings indicate that the changing patterns of the nematode indices with mowing frequency conform to the intermediate disturbance theory. This study provides a theoretical basis for formulating grassland-related management measures and maintaining the stability of grassland ecosystems.

Suggested Citation

  • Jinling Zhao & Jiale Chen & Honghui Wu & Linghao Li & Fengjuan Pan, 2021. "Effects of Mowing Frequency on Soil Nematode Diversity and Community Structure in a Chinese Meadow Steppe," Sustainability, MDPI, vol. 13(10), pages 1-10, May.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:10:p:5555-:d:555759
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