Spatio-temporal Dynamics of Water Footprints of Food Consumption in South Korea: A Decomposition Analysis.

IF 2.7 3区 环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES
Qudus Adeyi, Bashir Adelodun, Golden Odey, Kyung Sook Choi
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引用次数: 0

Abstract

South Korea faces severe water stress, as classified by the OECD, with changing dietary patterns significantly impacting water resources. To ensure water conservation and food security, it is crucial to understand the driving factors of the water footprint of food consumption (WFC). This study examined the WFC in South Korea from 2007 to 2023, focusing on how dietary choices impact water use and sustainability, and identified the key driving factors of changes in WFC. Using the logarithmic mean Divisia index (LMDI), this study decomposed these drivers into water footprint intensity, dietary structure, average dietary intake per person, and population effect. Additionally, global and local spatial autocorrelation analyses were used to measure the degree of spatial aggregation and distribution of WFC across administrative units. Results revealed a significant increase in WFC, from 27.6 km3 in 2007 to 34.7 km3 in 2023, with an average annual growth of 2%. Among the drivers, water footprint intensity contributed most to the increase in WFC, while average dietary intake per person led to a decrease. Cereals, meats and fish collectively account for more than 76% of the total WFC during the study period. The findings suggest that the drivers influencing the changes in WFC vary across administrative units, underscoring the need for tailored policies and strategies to promote sustainable food consumption practices that could conserve water resources in each administrative unit.

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来源期刊
Environmental Management
Environmental Management 环境科学-环境科学
CiteScore
6.20
自引率
2.90%
发文量
178
审稿时长
12 months
期刊介绍: Environmental Management offers research and opinions on use and conservation of natural resources, protection of habitats and control of hazards, spanning the field of environmental management without regard to traditional disciplinary boundaries. The journal aims to improve communication, making ideas and results from any field available to practitioners from other backgrounds. Contributions are drawn from biology, botany, chemistry, climatology, ecology, ecological economics, environmental engineering, fisheries, environmental law, forest sciences, geosciences, information science, public affairs, public health, toxicology, zoology and more. As the principal user of nature, humanity is responsible for ensuring that its environmental impacts are benign rather than catastrophic. Environmental Management presents the work of academic researchers and professionals outside universities, including those in business, government, research establishments, and public interest groups, presenting a wide spectrum of viewpoints and approaches.
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