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调查分析了带岭林业实验局１９８４～１９９４年害鼠的种群数量变动情况、害鼠的危害时间及对各树种的危害情况，林木被害程度与鼠口密度的关系，害鼠的生理特性与其数量的关系以及鼠害发生与环境因子的关系。
The changes of the population of pest rats in Zailing Forest Experimental Bureau from 1984 to 1994 were investigated and analyzed. The harming time of pests, the damage to each species, the relationship between the degree of damage and the density of rats were analyzed. The physiological characteristics of pest rats and their quantity The relationship between the occurrence of rodent and environmental factors.