The Spatiotemporal Evolution Characteristics of Cultivated Land Multifunction and Its Trade-Off/Synergy Relationship in the Two Lake Plains
Xigui Li,
Pengnan Xiao,
Yong Zhou (),
Jie Xu () and
Qing Wu
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Xigui Li: College of Landscape Architecture and Art Design, Hunan Agricultural University, Changsha 410128, China
Pengnan Xiao: The College of Urban & Environmental Sciences, Central China Normal University, Wuhan 430079, China
Yong Zhou: The College of Urban & Environmental Sciences, Central China Normal University, Wuhan 430079, China
Jie Xu: Faculty of Resources and Environmental Science, Hubei University, Wuhan 430062, China
Qing Wu: Tourism and Historical Culture College, Zhaoqing University, Zhaoqing 526061, China
IJERPH, 2022, vol. 19, issue 22, 1-34
Abstract:
The material foundation of sustainable agricultural development is cultivated land resources, and their sustainable use is critical to fostering agricultural sustainability and guaranteeing national food security. In this paper, the multifunctional evaluation framework of the cultivated land system based on the “GESEL” model at the grid scale (5 km × 5 km) is constructed to explore the spatiotemporal evolution characteristics of a multifunctional cultivated land system in two lake plains and the trade-off and synergy between the functions. The five functions are all unstable in time scales, and their spatial distribution characteristics are also different. The trade-off and synergy between the multiple functions of the cultivated land system in the two lake plains from 2000 to 2019 showed significant spatial heterogeneity. Most of the functions were mainly collaborative, and a few were trade-offs. The two lake plains can be divided into four multi-functional cultivated land zones: a grain production leading zone, a distinctive agricultural planting zone, a high-efficiency agricultural development zone, and an ecological agricultural construction zone. This research puts forward some countermeasures and suggestions to promote the sustainable utilization of cultivated land resources.
Keywords: cultivated land multifunction; trade-off and synergy; function zoning; Jianghan and Dongting Lake Plain (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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