欢迎访问《应用生态学报》官方网站,今天是 分享到:

应用生态学报 ›› 2003, Vol. ›› Issue (4): 502-506.

• 研究论文 • 上一篇    下一篇

北缘地区柑桔生态区划模糊决策系统

朱立武, 李绍稳, 孔娟娟, 贾兵   

  1. 安徽农业大学园艺系, 合肥 230036
  • 收稿日期:2002-11-04 修回日期:2002-12-22 出版日期:2003-04-15
  • 通讯作者: 朱立武,男,1961年11月生,副教授,硕士生导师.主要从事果树学教学、科学研究工作,已发表论文45篇.E-mail:zhuliwu@ah163.com,
  • 基金资助:
    安徽省“九五”攻关资助项目(9911009).

Fuzzy decision system for ecological distribution of citrus in north-cultivated-marginal area

ZHU Liwu, LI Shaowen, KONG Juanjuan, JIA Bing   

  1. Department of Horticulture, Anhui Agricultural University, Hefei 230036, China
  • Received:2002-11-04 Revised:2002-12-22 Online:2003-04-15

摘要: 以年平均极端最低气温、活动积温、最冷月平均气温、年平均气温等作为区划决策的重要指标,综合年降水量、最低气温≤-9℃年平均日数及地貌与海拔、水体调节、冷风屏障和土壤营养丰度、pH值等立地条件,建立了北缘地区柑桔生态区划决策系统.引入L-R型模糊数,确立了模糊识别模式,并把模糊推理模型放在知识库里,将精确推理与模糊推理置于同一系统中进行复合推理,使决策系统具有更广泛的实用性.以安徽柑桔生态区划为例,对系统进行了验证.本系统的开发为北缘地区发展柑桔生产提供了决策工具.

Abstract: The fuzzy decision system for ecological distribution of citrus in north-cultivated-marginal area was established by using the data of mean extreme low temperature, accumulated active temperature (≥12.5℃), mean temperature in coldest month, annual mean temperature integrated with annual precipitation, days with mean extreme low temperature below -9℃,physiognomy, elevation, inland water body, cold air barrier, and soil nutrition and pH value. The complex reasoning model with imprecision was used in the decision system by introduction of L-R fuzzy number and recognition formula, which made the decision system have a wide range of application in practice. An example of applying the decision system was tested in Anhui province. The result showed that the development of the decision system would provide a useful tool for the decision of the ecological distribution of citrus in north-cultivated-marginal area.

中图分类号: