The significance of establishing early warning system and general situation of study area were introduced. Early-warning information system of agriculture was set up by using GIS-MO components and VB language. It was a useful tool for the consultation of agriculture eco-en-vironment regression status, agricultural production and dynamic trend in west of Jilin Province.%简述了建立预警系统的意义和研究区概况,利用GIS技术的MO组件和VB语言建立了吉林省西部农业预警信息系统,这有助于查明吉林省西部农业生态环境退化现状以及区域生态状况和动态变化趋势,为吉林省政府部门相关的宏观管理和决策提供信息支持,实现区域农业的可持续发展.
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