Accounting for Value Changes in Cultivated Land Resources within the Karst Mountain Area of Southwest China, 2001–2020

Lu Zhang, Zhongfa Zhou, Quan Chen, Lan Wu, Qing Feng, Dan Luo and Tangyin Wu
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Lu Zhang: School of Karst Science, Guizhou Normal University, Guiyang 550001, China
Zhongfa Zhou: National Engineering Research Center for Karst Rocky Desertification Control, Guiyang 550001, China
Quan Chen: School of Karst Science, Guizhou Normal University, Guiyang 550001, China
Lan Wu: The State Key Laboratory Incubation Base for Karst Mountain Ecology Environment of Guizhou Province, Guiyang 550001, China
Qing Feng: National Engineering Research Center for Karst Rocky Desertification Control, Guiyang 550001, China
Dan Luo: The State Key Laboratory Incubation Base for Karst Mountain Ecology Environment of Guizhou Province, Guiyang 550001, China
Tangyin Wu: The State Key Laboratory Incubation Base for Karst Mountain Ecology Environment of Guizhou Province, Guiyang 550001, China

Land, 2022, vol. 11, issue 6, 1-23

Abstract: Cultivated land resources are important natural resource assets that are related to food security and sustainable development. Due to the many restrictive factors of the karst landform on agricultural production, the quantity and quality of cultivated land in the karst mountainous areas in Southwest China are poor. Reclaiming cultivated land to develop economy or to avoid transitional reclamation to protect ecology is an important proposition in this area. Analyzing changes in the physical and monetary value of cropland resources can help us to formulate more reasonable policies for the development and utilization of cultivated land resources, and to achieve a win-win scenario for economic development and ecological protection. Using multi-source remote sensing data and 20-year landcover data obtained by the GEE platform, this paper evaluated the cropland resources of the karst mountain areas of China at the pixel level. It was found that under the apparent outflow of the physical account of the cultivated land resources, the monetary value still maintained growth, proving that the current cultivated land-use policy in Guizhou Province has significantly improved the value of local cultivated land resources.

Keywords: cultivated land resource; value changes; karst mountain area; remote sensing; land use policy (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2022
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