【摘要】 通过采用沟筒调查法对北京地区春季麦田害鼠发生分布数量动态的系统调查结果表明,农田害鼠在试验地的各个环境中均有分布,害鼠群落组成为大仓鼠+褐家鼠+黑线姬鼠+小家鼠,优势鼠种为大仓鼠。同时发现大仓鼠主要集中在农田中部,潮湿的地方黑线姬鼠数量高于其他生境。更多还原

【Abstract】 The distribution and population dyn amics of rodents in spring wheat fields in Beijing region were investigated systematically by the furrow and cylinder method.The resu lts showed that the rodents distribu ted in everywhere of the test field,The soc iety of the field rodents was compose d of Cricetulus triton,Rattus norvugic us,Apodemus agrarius and Mus musculus.The dominant species were Cricetulus triton and mainly distributed in the center part of the field.The population of Apodemus agrarius in wet place were more than in other habitat.更多还原