| Discussion on the change of cultivated land resources and food security in Shaanxi Province |
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| DOI：10.7606/j.issn.1000-7601.2009.04.44 |
| Key Words: Shaanxi Province the quantity of cultivated land the change of grain output food security |
| Author Name | Affiliation | | MA Li | College of Tourism and Environment Science, Shaanxi Normal University, Xi'an 710062, China
Department of Geographical Science and Environmental Engineering, Baoji University of Arts and Sciences, Baoji, Shaanxi 721007, China | | ZHAO Jingbo | College of Tourism and Environment Science, Shaanxi Normal University, Xi'an 710062, China
Center of Historical Environment and Socio-Economic Development in Northwest China, Shaanxi Normal University, Xian 710062, China | | ZHANG Zhangquan | Department of Geographical Science and Environmental Engineering, Baoji University of Arts and Sciences, Baoji, Shaanxi 721007, China | | LI Meijuan | Department of Geographical Science and Environmental Engineering, Baoji University of Arts and Sciences, Baoji, Shaanxi 721007, China |
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| Abstract: |
| Analysis was made of the total grain output and the change of cultivated land area and relevant influencing factors since 1978 in
Shaanxi Province. The results show that the cultivated land resources have continued to decline. The main reasons are due to the ecological returning of farmland to forest and the restructuring of agricultural related industries, then the construction use, disaster damage and so on. The grain outputs are on the fluctuant rise. The annual change rate of overall grain output is highly consistent with the grain planting area, and the decrease of cultivated land area results in the reduction of grain output. The quantity of cultivated land resources are the main influencing factors in grain output in Shaanxi Province. So, maintaining the dynamic balance of a certain quantity of cultivated land is a prerequisite for the guarantee of food security. |
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