Estimation of potential water requirements using water footprint for the target of food self-sufficiency in South Korea

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• 作者：Seung-Hwan Yoo ; Sang-Hyun Lee ; Jin-Yong Choi ; Jeong-Bin Im
• 关键词：Water footprint ; Food self ; sufficiency ; Agricultural water usage ; Food consumption ; Production
• 刊名：Paddy and Water Environment
• 出版年：2016
• 出版时间：January 2016
• 年：2016
• 卷：14
• 期：1
• 页码：259-269
• 全文大小：1,338 KB
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• 作者单位：Seung-Hwan Yoo (1)
  Sang-Hyun Lee (2)
  Jin-Yong Choi (3)
  Jeong-Bin Im (4)
  
  1. Department of Agricultural and Biological Engineering, Purdue University, West Lafayette, IN, 47906, USA
  2. Department of Biological and Agricultural Engineering, Texas A&M University, College Station, TX, 77840, USA
  3. Department of Rural Systems Engineering, and Research Institute for Agriculture & Life Sciences, Seoul National University, Seoul, 151-921, Republic of Korea
  4. Department of Agricultural Economic and Rural Development, and Research Institute for Agriculture & Life Sciences, Seoul National University, Seoul, 151-921, Republic of Korea
  
• 刊物类别：Biomedical and Life Sciences
• 刊物主题：Life Sciences
  Agriculture
  Hydrogeology
  Geoecology and Natural Processes
  Monitoring, Environmental Analysis and Environmental Ecotoxicology
  Soil Science and Conservation
  Waste Water Technology, Water Pollution Control, Water Management and Aquatic Pollution
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1611-2504

文摘

South Korea’s food self-sufficiency ratio (SSR) dramatically decreased from 56 % in 1980 to 27 % in 2010, due to changes in food production and consumption patterns. Naturally, the changes in food self-sufficiency and consumption patterns will affect the world agricultural trade. This study aims to analyze trends in water footprints (WFs) on the basis of statistics for per capita food consumption in the last 25 years. The WFs for potential water requirements (WFs_PWR) were estimated using food production and consumption scenarios for the targets of the SSRs in 2015 and 2020. The WFs for per capita food consumption (WFs_cap) were estimated at 512.9 m3 (1985) and 822.9 m3 (2010). Cereals and meats accounted for 36.3 and 21.5 % of the total WFs_cap in 1985, and 18.3 and 38.6 % in 2010, respectively. This implies that with economic development, Korea’s dietary patterns have changed from cereal to meat-oriented. To achieve the targets of 52 % (2015) and 55 % (2020) food SSR based on calories, additional WFs_PWR are estimated to be 1255.5 Mm3 (2015) and 1923.9 Mm3 (2020). Results of this study are expected to be a useful basis for making long-term policies for sustainable agricultural production and water management from technical and social perspectives. Keywords Water footprint Food self-sufficiency Agricultural water usage Food consumption Production