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Sustainability 2015, 7(1), 96-110; doi:10.3390/su7010096

Topographical Characteristics of Agricultural Potential Productivity during Cropland Transformation in China

1
State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
2
University of Chinese Academy of Sciences, Beijing 100049, China
*
Author to whom correspondence should be addressed.
Academic Editor: Marc A. Rosen
Received: 4 September 2014 / Accepted: 15 December 2014 / Published: 24 December 2014
View Full-Text   |   Download PDF [3106 KB, uploaded 24 February 2015]   |  

Abstract

Terrain, an important limiting factor in land use change, strongly influences agricultural productivity. This study investigated the topographical characteristics of agricultural potential productivity of cropland transformations in China during the first decade of the 21st century, and explored the impacts of cropland transformations with different terrains on agricultural potential productivity as it relates to China’s national food supply. The results showed the production potential of cropland loss was much greater than that of cropland gain in most regions, and topographical characteristics of croplands losses and gains actually impacted the agricultural potential productivity in China. The losses in agricultural potential productivity was serious in regions with good terrain conditions, where the slope is lower than 5°, and the elevation is below 100 m, especially in the middle and lower Yangtze region and the Huang-Huai-Hai region. The situation for cropland loss with better quality, and expanded the worse was severe in China, and this is expected to negatively influence sustainable agricultural development in the future. This study suggests that researchers focus not only on the total area of expanded cropland but also on cropland quality, such as the different terrain conditions of the croplands, to avoid a loss in national agricultural productivity caused by the process of cropland transformation. View Full-Text
Keywords: China; agricultural potential productivity; cropland loss; cropland gain; topographical elements China; agricultural potential productivity; cropland loss; cropland gain; topographical elements
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Li, Y.; Yang, X.; Cai, H.; Xiao, L.; Xu, X.; Liu, L. Topographical Characteristics of Agricultural Potential Productivity during Cropland Transformation in China. Sustainability 2015, 7, 96-110.

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