摘要
大兴安岭天幕毛虫大发生与当地 4种气候因子的关系非常密切 ,年积温、年平均温度、年干燥度显著高于常年值 ,年降水显著低于常年值 ,有利于天幕毛虫发生。连年高温、干旱 ,可引发食叶类害虫发生。模糊聚类分析表明 :1986年与 2 0 0 2年 4种气候因子为同类 ,呼玛与加格达奇站 4种气候因子为同类 ,在当地该年均为天幕毛虫大发生。
The outbreak of Malacosoma neustria testacea Motschulsky was closely related to the local climate,such as the annual accumulated and mean temperatures as well as drought.High temperature and drought in successive years might cause the outbreak of defoliators.
出处
《中国森林病虫》
北大核心
2004年第4期27-30,共4页
Forest Pest and Disease
关键词
天幕毛虫
气候因子
发生
Malacosoma neustria testacea Motschulsky
climate factor
outbreak
