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作者在前人分省区研究气候因素对马尾松毛虫(Dendrolimus punctatus walker)发生影响的基础上,采用逐步回归、判别分析等方法,通过电子计算机分析多省区的大区域气候对马尾松毛虫种群发生的影响。从中看出,不同地理区域内、不同气候状况下,马尾松毛虫的发生是有规律变化的。特别是随不同纬度及其所引起的气候(主要是气温、降水量、相对湿度等)的差异而变化。根据上述分析的结果,并结合纬度、海拔、昆虫区系、马尾松毛虫发生世代、马尾松地理类型等因子,作者将我国马尾松毛虫的发生地区划分为三个类型区,以期有助于马尾松毛虫种群数量消长趋势的测报和森林昆虫区系等生态学特性的研究。
Based on the previous studies on the climatic factors of Dendrolimus punctatus walker in different provinces and autonomous regions, the authors used stepwise regression and discriminant analysis to analyze the effect of large regional climate in many provinces on the population of Dendrolimus punctatus Walker The impact of It can be seen that the occurrence of Dendrolimus punctatus varies regularly under different climate conditions in different geographical regions. Especially with different latitudes and the climate caused by it (mainly temperature, precipitation, relative humidity, etc.) vary. Based on the above analysis, combining with factors such as latitude and altitude, insect fauna, generation of Dendrolimus punctatus and geographical type of masson pine, the author divided the occurrence regions of the population of Dendrolimus punctatus into three types in order to contribute to Horsetail The population dynamics of Dendrolimus punctatus and the ecological characteristics of forest insects were measured.