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Community Differentiation and Ecological Influencing Factors along Environmental Gradients: Evidence from 1200 km Belt Transect across Inner Mongolia Grassland, China

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  • Zhanyong Fu

    (School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China
    Institute of Restoration Ecology, China University of Mining and Technology-Beijing, Beijing 100083, China
    These authors contributed equally to this work.)

  • Fei Wang

    (School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China
    Institute of Restoration Ecology, China University of Mining and Technology-Beijing, Beijing 100083, China
    State Key Laboratory of Water Resource Protection and Utilization in Coal Mining, China Energy Investment Corporation, Beijing 100011, China
    These authors contributed equally to this work.)

  • Zhaohua Lu

    (School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China
    Institute of Restoration Ecology, China University of Mining and Technology-Beijing, Beijing 100083, China
    Shandong Key Laboratory of Eco-Environmental Science for Yellow River Delta, Binzhou University, Binzhou 256600, China)

  • Meng Zhang

    (School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China
    Institute of Restoration Ecology, China University of Mining and Technology-Beijing, Beijing 100083, China)

  • Lin Zhang

    (School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China
    Institute of Restoration Ecology, China University of Mining and Technology-Beijing, Beijing 100083, China)

  • Wenyue Hao

    (School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China
    Institute of Restoration Ecology, China University of Mining and Technology-Beijing, Beijing 100083, China)

  • Ling Zhao

    (School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China
    Institute of Restoration Ecology, China University of Mining and Technology-Beijing, Beijing 100083, China)

  • Yang Jiang

    (School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China
    Institute of Restoration Ecology, China University of Mining and Technology-Beijing, Beijing 100083, China)

  • Bing Gao

    (School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China
    Institute of Restoration Ecology, China University of Mining and Technology-Beijing, Beijing 100083, China)

  • Rui Chen

    (School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China)

  • Bingjie Wang

    (School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China)

Abstract

In this work, we conducted a 1200 km belt transect for field survey in typical and meadow steppes across Inner Mongolia Plateau in 2018. The field investigation, laboratory soil analysis, and quantitative ecology methods were utilized to explore the differentiation characteristics of the plant community, and their relationships with ecological factors. The results showed that a total of 140 vascular plants within 108 quadrats mainly comprised of Asteraceae, Poaceae, Rosaceae, and Fabaceae. Two-way Indicator Species Analysis (TWINSPAN) revealed eight vegetation typologies: I: Stipa sareptana var. krylovii + Dysphania aristata , II: Stipa grandis + Leymus chinensis , III: Stipa sareptana var. krylovii + Leymus chinensis , IV: Stipa grandis + Cleistogenes squarrosa , V: Stipa grandis + Carex duriuscula , VI: Stipa baicalensis + Leymus chinensis , VII: Carex pediformis + Stipa baicalensis , VIII: Leymus chinensis + Elymus dahuricus . Detrend Correspondence Analysis (DCA) confirmed the above eight vegetation typologies and indicated a relatively small variation. Redundancy analysis (RDA) revealed that the spatial differentiation characteristics in the typical steppe were chiefly driven by precipitation, while the influencing factor in the meadow steppe was soil nutrients, followed by temperature and precipitation. The contrast between typical and meadow steppes revealed that the spatial distribution of typical steppe was influenced by precipitation, while the contribution of heat and water in the meadow steppe was equal. The conclusion revealed that the temperature and precipitation conditions coupled with soil nutrients shaped the spatial differentiation characteristics of temperate steppe vegetation in the Inner Mongolia grassland. Therefore, this study advanced our knowledge of the spatial patterns of temperate steppe along longitude and latitude gradients, providing scientific and theoretical guidance for the biodiversity conservation and sustainable ecosystem management of the Inner Mongolia grassland.

Suggested Citation

  • Zhanyong Fu & Fei Wang & Zhaohua Lu & Meng Zhang & Lin Zhang & Wenyue Hao & Ling Zhao & Yang Jiang & Bing Gao & Rui Chen & Bingjie Wang, 2021. "Community Differentiation and Ecological Influencing Factors along Environmental Gradients: Evidence from 1200 km Belt Transect across Inner Mongolia Grassland, China," Sustainability, MDPI, vol. 14(1), pages 1-14, December.
    • Handle: RePEc:gam:jsusta:v:14:y:2021:i:1:p:361-:d:714167
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    Citations

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    Cited by:

    1. Jiayi Zu & Jihong Xia & Zhuo Zeng & Xiujun Liu & Wangwei Cai & Jingjiang Li & Qihua Wang & Yue Wang & Chuanbin Dou, 2022. "Distribution Pattern and Structure of Vascular Plant Communities in Riparian Areas and Their Response to Soil Factors: A Case Study of Baoan Lake, Hubei Province, China," Sustainability, MDPI, vol. 14(23), pages 1-18, November.
    2. Yating Zhao & Chunming Hu & Xi Dong & Jun Li, 2023. "NDVI Characteristics and Influencing Factors of Typical Ecosystems in the Semi-Arid Region of Northern China: A Case Study of the Hulunbuir Grassland," Land, MDPI, vol. 12(3), pages 1-21, March.

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