【摘要】 对贵州省余庆县1986～2010年农区鼠情监测数据进行统计分析。结果表明:余庆县农区鼠类隶属2目(啮齿目、食虫目)3科(鼠科、仓鼠科、鼩鼱科)共7种。其中,褐家鼠为住宅区害鼠优势种,占总鼠数的84.83%;黑线姬鼠主要分布于稻田、旱地耕作区,分别占总鼠数的95.84%、87.43%,平均占总鼠数的92.10%,是余庆县农田害鼠优势种。不同年度混合鼠种种群数量呈下降趋势,不同月份、不同季节种群数量存在明显差异,每年在5～6月和10～11月出现两个种群数量高峰期。更多还原

【Abstract】 Based on the monitoring data of agricultural rodent species from 1986 to 2010 in Yuqing County,Guizhou Province,the population composition and its fluctuation were elucidated herein.The agricultural rodents belong to 2 orders(Rodentia,Insectivora),3 families(Muridae,Cricetidae,Soricidae) and 7 species.Rattus norvegicus was dominant species among the residential rodents,accounting for 84.83% of the total.Apodemus agrarius mainly distributes in the rice field and dryland,accounting for 95.84%,87.43%,respectively,of the total.Apodemus agrarius was the dominant species of residential rodents.Population dynamics tended to decline in different years.The population dynamics varied highly among different months and seasons.Population dynamics peak was in May~June and October~ November.March and October were the best prevention and control period.更多还原