JOURNAL OF INTEGRATIVE AGRICULTURE -- Telecoupled land-use changes in distant countries

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February 16, 2017 - Jing Sun, Yu-xin Tong , Jianguo Liu<liuji@msu.edu>

Journal or Book Title: Journal of Integrative Agriculture

Keywords: agricultural land-use changes; soybeans; spatial attributes; telecoupling; moving window analysis

Volume/Issue: 16(2)

Page Number(s): 368-376

Year Published: 2017

International food trade has become a key driving force of agricultural land-use changes in trading countries, which has influenced food production and the global environment. Researchers have studied agricultural land-use changes and related environmental issues across multi-trading countries together, but most studies rely on statistic data without spatial attributes. However, agricultural land-use changes are spatially heterogeneous. Uncovering spatial attributes can reveal more critical information that is of scientific significance and has policy implications for enhancing food security and protecting the environment. Based on an integrated framework of telecoupling (socioeconomic and environmental interactions over distances), we studied spatial attributes of soybean land changes within and among trading countries at the same time. Three distant countries - Brazil, China, and the United States - constitute an excellent example of telecoupled systems through the process of soybean trade. Our results presented the spatial distribution of soybean land changes- highlighting the hotspots of soybean gain and soybean loss, and indicated these changes were spatially clustered, different across multi-spatial scales, and varied among the trading countries. Assisted by the results, global challenges like food security and biodiversity loss within and among trading countries can be targeted and managed efficiently. Our work provides simultaneously spatial information for understanding agricultural land-use changes caused by international food trade globally, highlights the needs of coordination among trading countries, and promotes global sustainability.

DOI: 10.1016/S2095-3119(16)61528-9

Type of Publication: Journal Article

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Tag List
  • agricultural land-use changes,
  • center for systems integration and sustainability,
  • moving window analysis,
  • soybeans,
  • spatial attributes,
  • telecoupling
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