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作 者:潘世昌
机构地区:[1]贵州省息烽县植保植检站
出 处:《贵州农业科学》1997年第6期28-31,共4页Guizhou Agricultural Sciences
摘 要:对息烽县家栖鼠鼠情的监测结果表明:其种群构成为褐家鼠50.53%、小家鼠44.63%、黄胸鼠4.83%;鼠密度年度变幅为3.77%~16.45%,平均为10.41%,每年2~4月、9~11月出现两个数量高峰,大面积灭鼠后,优势鼠种发生轻度变化;褐家鼠和小家鼠的性比分别为1.11和1.10,年平均繁殖指数为1.12和0.91。The survey on occurrence of house rat was done in Xifeng county The results showed as follows The population ratio of species components is 50 53% of Rattus norvegicus ,44 63% of Mus musculus and 4 83% of Rattus flavipectus Range of density yearly is 3 77%~16 45%,and average density amount to 10 41% Two quantity peaks emerge from February to April and from September to November Dominant population ratio changes slight after eliminating rat in a large scale The sexual ratio of R norvegicus and Mus musculus is 1 11 and 1 10 separately,and its average reproduction index is 1 12 and 0 91 correspondingly
分 类 号:S443.5[农业科学—农业昆虫与害虫防治]
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