Based on GIS, we have developed the regional forecasting technology.The daily temperature, degree-day and required degree-days of special phenology event can be displayed and expressed in real time.

• 基于GIS系统建立了区域化预测技术，利用GIS系统可以实时地显示和表达每天温度的变化、日度累积及其离特定物候事件所需要的日度值，实现对棉铃虫的预测。