RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2010, Vol. 19 >> Issue (z1): 34-.

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APPLICATION OF SDMOP INTEGRATED MODEL IN OPTIMAL ALLOCATION OF ARABLE LAND IN CHANGSHA

HONG Hongjia1,2, PENG Xiaochun1, CHEN Zhiliang2, ZHANG Xingxing1,2, LIU Qiang1,2   

  1. (1. South China Institute of Environmental Sciences, Ministry of Environmental Protection of China, Guangzhou 510655, China； 2.College of Resources &|Environment, Changsha 410128, China|)〖
  • Online:2010-08-23

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Abstract:

A reasonable agricultural structure has a better effect on the efficiency and overall function of the agricultural system,thus how to distribute the arable land has become a hot research for scholars.The trend of arable land resource was simulated by a system dynamics model in this paper.Then,taking economic benefit,ecological benefit and food security into consideration,we used a multiobjective optimization model to study the optimal allocation of arable land of Changsha in 2010.Results showed that agricultural efficiency and farmers' income could be improved effectively through optimal allocation for the arable land.The proportion of vegetable area had increased 384% to 2196% and the total area of crop had fallen by 212%.Meanwhile,economic benefit and ecological benefit had increased 993% and 203%,respectively,after optimization.〖

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