中国寄生虫学与寄生虫病杂志 ›› 2005, Vol. 23 ›› Issue (4): 2-201.

• 论著 • 上一篇    下一篇

微小按蚊密度评价灰色模型研究

于国伟,汤林华   

  1. 中国疾病预防控制中心寄生虫病预防控制所,世界卫生组织疟疾血吸虫病和丝虫病合作中心,中国疾病预防控制中心寄生虫病预防控制所,世界卫生组织疟疾血吸虫病和丝虫病合作中心,上海 200025
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2005-08-30 发布日期:2005-08-30

Study on a Grey Model for Evaluation of Anopheles minimus Density

YU Guo-wei,TANG Lin-hua   

  1. National Institute of Parasitic diseases,Chinese Center for Disease Control and Prevention,Shanghai 200025,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2005-08-30 Published:2005-08-30

摘要: 目的 借助气象、环境与遥感监测指标建立微小按蚊密度评价模型。 方法 以云南省10县27乡为研究现场,收集1984~1993年各乡气象、环境、遥感与蚊媒监测资料。对18项指标与微小按蚊密度的关系进行灰色关联度分析,按照灰色阈值筛选评价指标,合成变量E,研究变量E与微小按蚊密度的关系,从而建立微小按蚊密度评价灰色模型。 结果 以0.70灰色阈值筛选微小按蚊密度评价指标并排列灰色关联序:干季月平均温度>干季最低温度>湿季最低温度>湿季归一化植被指数(NDVI)>湿季月平均温度>水田面积占耕地面积的比例>干季月最高温度>湿季月最高温度。微小按蚊密度灰色评价模型为:y=0.0578e0·0780(8X10'+7X12'+6X11'+5X15'+4X9'+3X4'+2X8'+1X7')模型判定的正确率为92.0%, e0.5=18%,最大相对误差为-15%,最小相对误差为4%,平均相对误差为21%。结论 借助微小按蚊密度评价模型可以对疟疾疫点微小按蚊密度进行拟合评价。

关键词: 微小按蚊, 密度, 灰色关联度分析, 统计学模型

Abstract: Objective To establish Anopheles minimus density evaluation model based on climate, environmental and remote sensing data. Methods 27 townships in 10 counties of Yunnan Province were chosen as field spots. Data on climate, environment, remote sensing and An. minimus density were collected from 1984 to 1993. Grey correlation analysis was carried out to study the relationship of 18 indices with An. minimus density. E variable was developed and its relation to the An. minimus density was analyzed to establish an evaluation model. Results Eight indices were selected based on a grey threshold 0.70: Dry season average temperature>dry season temperature_min>wet season temperature_min>wet season NDVI>wet season average temperature>the ratio of paddy field in total arable land>dry season temperature_max>wet season temperature_max. The An. minimus density evaluation model was derived as follows: y=0.0578e0·0780(8X10'+7X12'+6X11'+5X15'+4X9'+3X4'+2X8'+1X7') The correct rate of evaluation by the model was 92.0%. e0.5=18%, with an average relative error of 21%. Conclusion A quasi-evaluation on the An. minimus density can be made by applying the grey model.

Key words: Anopheles minimus, Density, Grey correlation analysis, Statistical models