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期 刊 ：植物保护学报 1999年

关键词：农业生态系统；害鼠；预测；种群动态；数学模型；

Keywords:agricultural ecological system, pest, prediction, population dynamics, mathematical model,

摘 要 ：四川盆地连续３年农业生态系统害鼠种数量的统计分析表明，种群数量在年际间变化不显著，而年内存在着显著的统计学差异。种群数量季节消长呈明显的双峰模式，年周期内出现６月和１１月两个数量高峰，两峰之间无显著性差异。

Abstract:The rodent pest density of the agricultural system was recorded for three years in Sichuan , the results showed that the fluctuation of the population density in different years is not significantly different (the analysis of variance, F

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