北缘地区柑桔生态区划模糊决策系统

摘要/Abstract

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.

关键词: 柑桔, 生态区划, 模糊, 决策系统, 微生物多样性, 种植年限, 根际土壤, 高通量测序, 香榧

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.

Key words: Citrus, Ecological distribution, Fuzzy, Decision system, Torreya grandis ‘Merrillii’, cultivation history, microbial diversity, Illumina sequencing, rhizosphere soil

中图分类号:

S666

朱立武, 李绍稳, 孔娟娟, 贾兵. 北缘地区柑桔生态区划模糊决策系统[J]. 应用生态学报, 2003, (4): 502-506.

ZHU Liwu, LI Shaowen, KONG Juanjuan, JIA Bing. Fuzzy decision system for ecological distribution of citrus in north-cultivated-marginal area[J]. Chinese Journal of Applied Ecology, 2003, (4): 502-506.

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