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《Resources and Environment in the Yangtze Basin》 2007-04
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CULTIVATED LAND PROTECTION BASED ON NATIONAL FOOD SECURITY IN YANGTZE RIVER DELTA

ZHAO Yan-wen1,2,SHI Yi-chao2,HU Zheng-yi3,NIU Gao-hua2,SUN Yan1 (1.State Key Laboratory of Hydrology-Water Resource And Hydraulic Engineering,Hohai University,Nanjing 210098,China;2.College of Agriculture,Nanjing Agricultural University,Nanjing 210095,China;3.State key Laboratory of Soil and Sustainable Agriculture,Institute of Soil Science,Chinese Academy of Sciences,Nanjing 210008,China)  
According to economy growth law and development stages,it is unavoidable that the cultivated land will reduce in the Yangtze River Delta as a central area for economy growth in China.The change of grain yield and cultivated land reduction with the economy development in the delta was analyzed by using method of correlation.A conclusion can be drawn that a high peak value of cultivated land conversion rate will appear in the period of "11th five-year plan".Based on national food security judgment,development forecast and the relation between cultivated land and national food security,some suggestions were put forward to protect cultivated land: positive protection policy must be inforced in the Yangtze River Delta during the period of "11th five-year plan",and protection policy should be turned out into strict control during the period of "12th five-year plan".Furthermore,some countermeasures on cultivated land protection were suggested,such as to qualitatively protect cultivated land,to protect eco-landscape function,to increase the exploitation of reserve resource, to reduce non-agricultural cultivated land occupation,and to strengthen the policy management.
【Fund】: 国家发展和改革委员会项目“长江三角洲地区区域规划土地利用专题研究”
【CateGory Index】: F326.11;F323.211
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