RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2006, Vol. 15 >> Issue (1): 66-70.

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OPTIMIZATION OF SPATIAL DISTRIBUTION IN PADDY FIELD CROPPING SYSTEM BASED ON GIS AND GENE ALGORITHM IN THE SCALE OF COUNTY

PENG Chang-qing1,2，FENG Jin-fei1，BIAN Xin-min1   

  • Received:2005-03-23 Revised:2005-07-11 Online:2006-01-20
  • Contact: BIAN Xin-min

Abstract: Crop spatial distribution is an important aspect in cropping system reforming and development. Cropping system is used for the spacial configuration of crops' spatial distribution in scale of a county. It can deal with the problems such as the unsuitable proportion of cropping system and unfit stubbles better in the spatial distribution. The main purpose in optimizing the crops' spatial distribution is to configure the spatial location of cropping system and make full use of the local natural resources as well as the social stocks, also to achieve the aim of protection of the resources. Cropping System Spatial Distribution Optimization is a spatial optimization problem which influenced by many factors such as nature,society and farming system. Traditional optimization algorithms are inefficient or hard to solve such problems.Gene Algorithm is an intelligent optimization algorithm, which solves complex combination and optimization problem by simulating the process of natural anagenesis and using simple code and gene operation. The authors put forward a method of cropping system spatial distribution optimization based on GIS and gene algorithm.

Key words: spatial distribution, cropping system, gene algorithm, GIS

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