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Climatic Change

, Volume 93, Issue 3–4, pp 433–445 | Cite as

Climate change, land use change, and China’s food security in the twenty-first century: an integrated perspective

  • Fulu Tao
  • Masayuki Yokozawa
  • Jiyuan Liu
  • Zhao Zhang
Article

Abstract

Food security in China, the world’s most populous country, has long been a concern because of the challenges of population growth, water shortages, and loss of cropland through urbanization, soil degradation, and climate change. Here, we present an integrated analysis of China’s food demand and supply under IPCC Special Report on Emissions Scenarios A1, A2, B1, and B2 in 2020, 2050, and 2080, based on official statistics and future development scenarios. Our analysis accounts for future socioeconomic, technological, and resource developments, as well the impact of climate change. We present a covariant relationship between changes in cereal productivity due to climate change and the cereal harvest area required to satisfy China’s food demand. We also estimated the effects of changing harvested areas on the productivity required to satisfy the food demand; of productivity changes due to climate change on the harvest area required to satisfy food demand; and of productivity and land use changes on the population at risk of undernutrition. China could be able to feed herself without disturbing the global food market in the twenty-first century, but whether the government will choose self-sufficiency or increased food imports may depend on the cost of change, which remains unknown.

Keywords

Gross Domestic Product Food Demand Cropland Area Capita Gross Domestic Product Agric Ecosyst Environ 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  • Fulu Tao
    • 1
  • Masayuki Yokozawa
    • 2
  • Jiyuan Liu
    • 1
  • Zhao Zhang
    • 3
  1. 1.Institute of Geographical Sciences and Natural Resources ResearchChinese Academy of SciencesBeijingChina
  2. 2.National Institute for Agro-Environmental SciencesIbarakiJapan
  3. 3.State Key Laboratory of Earth Surface Processes and Resource EcologyBeijing Normal UniversityBeijingChina

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