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Relationship between Soil Organic Carbon, Soil Nutrients, and Land Use in Linyi City (East China)

Author

Listed:
  • Xiyuan Wu

    (Shandong Provincial Key Laboratory of Water and Soil Conservation and Environmental Protection, College of Resources and Environment, Linyi University, Linyi 276005, China
    These authors contributed equally to this work.)

  • Lizhi Wang

    (Shandong Provincial Key Laboratory of Water and Soil Conservation and Environmental Protection, College of Resources and Environment, Linyi University, Linyi 276005, China)

  • Juan An

    (Shandong Provincial Key Laboratory of Water and Soil Conservation and Environmental Protection, College of Resources and Environment, Linyi University, Linyi 276005, China)

  • Yun Wang

    (Shandong Provincial Key Laboratory of Water and Soil Conservation and Environmental Protection, College of Resources and Environment, Linyi University, Linyi 276005, China
    These authors contributed equally to this work.)

  • Hongli Song

    (Shandong Provincial Key Laboratory of Water and Soil Conservation and Environmental Protection, College of Resources and Environment, Linyi University, Linyi 276005, China)

  • Yuanzhi Wu

    (Shandong Provincial Key Laboratory of Water and Soil Conservation and Environmental Protection, College of Resources and Environment, Linyi University, Linyi 276005, China)

  • Qianjin Liu

    (Shandong Provincial Key Laboratory of Water and Soil Conservation and Environmental Protection, College of Resources and Environment, Linyi University, Linyi 276005, China)

Abstract

The distribution characteristics of soil organic carbon (SOC) and soil nutrients under different land-use types in Linyi City, East China, were studied. The spatial distribution of SOC under different land-use types and the relationship between SOC and soil nutrients were analyzed using remote sensing interpretation and soil sample analyses. The results showed that SOC in Linyi was mainly stored in drylands and paddy fields. SOC and total nitrogen (TN) levels were positively correlated for most land use types. There was a positive linear correlation between SOC and total K in the paddy fields. The coefficients of variation for SOC and TN differed greatly among the land use types studied. Total SOC storage was 8772.73 × 10 3 kg in the surface 0.2 m soil layer. The order of total SOC storage was drylands (6771.45 × 10 3 ton) > paddy field (764.67 × 10 3 ton) > nurseries (510.79 × 10 3 ton) > forest land (413.49 × 10 3 ton) > low-cover grasslands (238 × 10 3 ton) > bare land (74.35 × 10 3 ton). With the largest SOC storage, and C density, respectively, drylands and paddy fields are conducive to enhancing soil C sequestration, achieving low-carbon goals, and mitigating climate change.

Suggested Citation

  • Xiyuan Wu & Lizhi Wang & Juan An & Yun Wang & Hongli Song & Yuanzhi Wu & Qianjin Liu, 2022. "Relationship between Soil Organic Carbon, Soil Nutrients, and Land Use in Linyi City (East China)," Sustainability, MDPI, vol. 14(20), pages 1-17, October.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:20:p:13585-:d:948448
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    References listed on IDEAS

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    1. Nakayama, Tadanobu & Pelletier, Gregory J., 2018. "Impact of global major reservoirs on carbon cycle changes by using an advanced eco-hydrologic and biogeochemical coupling model," Ecological Modelling, Elsevier, vol. 387(C), pages 172-186.
    2. Song, Biao & Almatrafi, Eydhah & Tan, Xiaofei & Luo, Songhao & Xiong, Weiping & Zhou, Chengyun & Qin, Meng & Liu, Yang & Cheng, Min & Zeng, Guangming & Gong, Jilai, 2022. "Biochar-based agricultural soil management: An application-dependent strategy for contributing to carbon neutrality," Renewable and Sustainable Energy Reviews, Elsevier, vol. 164(C).
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    Cited by:

    1. Yue Zhang & Wenxiong Jia & Le Yang & Guofeng Zhu & Xin Lan & Huifang Luo & Zhijie Yu, 2023. "Change Characteristics of Soil Organic Carbon and Soil Available Nutrients and Their Relationship in the Subalpine Shrub Zone of Qilian Mountains in China," Sustainability, MDPI, vol. 15(17), pages 1-17, August.

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