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The Accelerated Urbanization Process: A Threat to Soil Resources in Eastern China

Author

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  • Jiadan Li

    (Institute of Rural Development and Information, Ningbo Academy of Agricultural Sciences, Ningbo 315040, China
    Institution of Remote Sensing and Information System Application, Zhejiang University, Hangzhou 310058, China)

  • Jinsong Deng

    (Institution of Remote Sensing and Information System Application, Zhejiang University, Hangzhou 310058, China)

  • Qing Gu

    (Institute of Digital Agriculture, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China)

  • Ke Wang

    (Institution of Remote Sensing and Information System Application, Zhejiang University, Hangzhou 310058, China)

  • Fangjin Ye

    (Department of Political Science, Michigan State University, East Lansing, MI 48824, USA)

  • Zhihao Xu

    (Institute of Rural Development and Information, Ningbo Academy of Agricultural Sciences, Ningbo 315040, China)

  • Shuquan Jin

    (Institute of Rural Development and Information, Ningbo Academy of Agricultural Sciences, Ningbo 315040, China)

Abstract

The eastern coastal region of China has been experiencing rapid urbanization which has imposed great challenges on soil resources, characterized by soil sealing and fragmented soil landscapes. Taking Zhejiang Province—a fairly economically-developed and highly-urbanized region in eastern China—as a case study, a practical framework that integrates remote sensing, GIS, soil quality assessment and landscape analysis was employed to track and analyze the rapid urbanization process and spatiotemporal dynamics of soil sealing and landscape change from 1990 to 2010. Meanwhile, this paper qualitatively explored the regional inequality and characteristics in soil sealing intensity among cities of different geo-zones in Zhejiang Province. Results showed that total area of 6420 km 2 had been sealed during the past two decades for the entire study area, which represents 6.2% of the provincial area. Among these sealed soils, 68.6% are fertile soils located in flat plains, such as Paddy soils. Soil landscapes became more fragmented and dispersed in distribution, more irregular and complex in shape, and less dominant and diverse in soil type, as evidenced by the constant change of various spatial landscape metrics. What is more, different geo-zones exhibited significant differences in dynamics of soil sealing intensity, soil composition and soil landscape patterns. The permanent loss of valuable soil resource and increasing fragmented soil landscape patterns concomitant with rapid urbanization processes may inevitably bring about potential threats to regional soil resources and food security.

Suggested Citation

  • Jiadan Li & Jinsong Deng & Qing Gu & Ke Wang & Fangjin Ye & Zhihao Xu & Shuquan Jin, 2015. "The Accelerated Urbanization Process: A Threat to Soil Resources in Eastern China," Sustainability, MDPI, vol. 7(6), pages 1-19, June.
    • Handle: RePEc:gam:jsusta:v:7:y:2015:i:6:p:7137-7155:d:50543
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    References listed on IDEAS

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    1. Ciro Gardi & Panos Panagos & Marc Van Liedekerke & Claudio Bosco & Delphine De Brogniez, 2015. "Land take and food security: assessment of land take on the agricultural production in Europe," Journal of Environmental Planning and Management, Taylor & Francis Journals, vol. 58(5), pages 898-912, May.
    2. Jiadan Li & Jinsong Deng & Ke Wang & Jun Li & Tao Huang & Yi Lin & Haiyan Yu, 2014. "Spatiotemporal Patterns of Urbanization in a Developed Region of Eastern Coastal China," Sustainability, MDPI, vol. 6(7), pages 1-17, June.
    3. Yehua Dennis Wei & Xinyue Ye, 2004. "Regional Inequality in China: A Case Study of Zhejiang Province," Tijdschrift voor Economische en Sociale Geografie, Royal Dutch Geographical Society KNAG, vol. 95(1), pages 44-60, February.
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    Cited by:

    1. Ara Jeong & Ronald I. Dorn & Yeong-Bae Seong & Byung-Yong Yu, 2021. "Acceleration of Soil Erosion by Different Land Uses in Arid Lands above 10 Be Natural Background Rates: Case Study in the Sonoran Desert, USA," Land, MDPI, vol. 10(8), pages 1-28, August.
    2. Xiaoyan Li & Limin Yang & Yongxing Ren & Huiying Li & Zongming Wang, 2018. "Impacts of Urban Sprawl on Soil Resources in the Changchun–Jilin Economic Zone, China, 2000–2015," IJERPH, MDPI, vol. 15(6), pages 1-16, June.

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