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The influences of spatiotemporal change of cultivated land on food crop production potential in China

Author

Listed:
  • Xinliang Xu

    (Chinese Academy of Sciences)

  • Liang Wang

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Hongyan Cai

    (Chinese Academy of Sciences)

  • Luyao Wang

    (Central China Normal University)

  • Luo Liu

    (South China Agricultural University
    South China Agricultural University)

  • Hongzhi Wang

    (Central China Normal University)

Abstract

The impact of changes in cultivated land on the production potential of food crops in China during the period of 1990–2010 was studied using land use data and the Global Agro-ecological Zones (GAEZ) model. The contribution of crop production potential per unit cultivated land area (PPCLA) to the total food-energy based production potential (TPP) of food crops was further investigated. From 1990 to 2010, China has experienced a net increase of cultivated land, resulting from a net increase in northern China and a smaller net decrease in the south. However, the TPP reduced by 9.64 × 1012 kcal despite an overall cultivated land increase for crops. This was attributed to the spatial heterogeneity of PPCLA in the cultivated land, whereby the average PPCLA of the newly cultivated land was much lower than that of the lost land. The PPCLA gap between the newly developed land and the lost cultivated land expanded from 3.16 × 106 kcal/ha in the first decade (1990–2000) to 6.49 × 106 kcal/ha in 2000–2010. Contributions of PPCLA to TPP varied among regions, and the regions with the largest contributions were consistent with those with the largest PPCLA gaps. Such regions included the Sichuan Basin and surrounding region in 1990–2000, and the Huang-Huai-Hai Plain during 2000–2010. Based on these research findings, key implications for land use policies in relation to major food crops in China are discussed.

Suggested Citation

  • Xinliang Xu & Liang Wang & Hongyan Cai & Luyao Wang & Luo Liu & Hongzhi Wang, 2017. "The influences of spatiotemporal change of cultivated land on food crop production potential in China," Food Security: The Science, Sociology and Economics of Food Production and Access to Food, Springer;The International Society for Plant Pathology, vol. 9(3), pages 485-495, June.
    • Handle: RePEc:spr:ssefpa:v:9:y:2017:i:3:d:10.1007_s12571-017-0683-1
    DOI: 10.1007/s12571-017-0683-1
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    References listed on IDEAS

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    1. Anderson, Kym & Strutt, Anna, 2014. "Food security policy options for China: Lessons from other countries," Food Policy, Elsevier, vol. 49(P1), pages 50-58.
    2. Rozelle, Scott & Rosegrant, Mark W., 1997. "China's past, present, and future food economy: can China continue to meet the challenges?," Food Policy, Elsevier, vol. 22(3), pages 191-200, June.
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    2. Daniel B Abramson, 2020. "Ancient and current resilience in the Chengdu Plain: Agropolitan development re-‘revisited’," Urban Studies, Urban Studies Journal Limited, vol. 57(7), pages 1372-1397, May.
    3. Heyang Gong & Zhibo Zhao & Lei Chang & Guanghui Li & Ying Li & Yuefen Li, 2022. "Spatiotemporal Patterns in and Key Influences on Cultivated-Land Multi-Functionality in Northeast China’s Black-Soil Region," Land, MDPI, vol. 11(7), pages 1-18, July.
    4. Zhang, Xueru & Song, Wei & Lang, Yanqing & Feng, Xiaomiao & Yuan, Quanzhi & Wang, Jingtao, 2020. "Land use changes in the coastal zone of China’s Hebei Province and the corresponding impacts on habitat quality," Land Use Policy, Elsevier, vol. 99(C).
    5. Luoman Pu & Junnan Jiang & Menglu Ma & Duan Huang, 2024. "Gaps between Rice Actual and Potential Yields Based on the VPM and GAEZ Models in Heilongjiang Province, China," Agriculture, MDPI, vol. 14(2), pages 1-22, February.
    6. Guoming Du & Xiaoyang Wang & Jieyong Wang & Yaqun Liu & Haonan Zhang, 2023. "Analysis of the Spatial–Temporal Pattern of the Newly Increased Cultivated Land and Its Vulnerability in Northeast China," Land, MDPI, vol. 12(4), pages 1-17, March.
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    8. Chen, Hang & Meng, Fei & Yu, Zhenning & Tan, Yongzhong, 2022. "Spatial–temporal characteristics and influencing factors of farmland expansion in different agricultural regions of Heilongjiang Province, China," Land Use Policy, Elsevier, vol. 115(C).
    9. Fei, Li & Meijun, Zhou & Jiaqi, Shao & Zehui, Chen & Xiaoli, Wei & Jiuchun, Yang, 2020. "Maize, wheat and rice production potential changes in China under the background of climate change," Agricultural Systems, Elsevier, vol. 182(C).
    10. Dan Lu & Yahui Wang & Qingyuan Yang & Huiyan He & Kangchuan Su, 2019. "Exploring a Moderate Fallow Scale of Cultivated Land in China from the Perspective of Food Security," IJERPH, MDPI, vol. 16(22), pages 1-19, November.
    11. Shuai Xie & Guanyi Yin & Wei Wei & Qingzhi Sun & Zhan Zhang, 2022. "Spatial–Temporal Change in Paddy Field and Dryland in Different Topographic Gradients: A Case Study of China during 1990–2020," Land, MDPI, vol. 11(10), pages 1-20, October.
    12. Qikang Zhong & Zhe Li & Yujing He, 2023. "Coupling Evaluation and Spatial–Temporal Evolution of Land Ecosystem Services and Economic–Social Development in a City Group: The Case Study of the Chengdu–Chongqing City Group," IJERPH, MDPI, vol. 20(6), pages 1-29, March.

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