关键词: 啮齿动物, 调查, 分布

Abstract: This paper reported that there are 27 species of rodent in Beijing area until 1998, they subordinated 2 orders, 5 families, 17 genera, according to colleled data over the years, spcimen, literature record and on the spot survey in recent years. These rodent species might be further divided into four groups of eco-types and five groups of hydro-thermo types. Their geographical distributions differ as their cological type and hydro-thermo conditions.