关键词: 啮齿动物, 种群组成, 动态分布, 地理景观, 鼠传疾病

Abstract: Rodents population in Xi an area belong to 24 species 16 genera and 4 families. Meriones meridianus Pall is the first time being reported in the area. The density of M. meridianus is a widely distribution at the southern part of Wei-river Taiyan area 21.69%, Xi an urban region is next, about 8.04%. It is the lower at the valley of Wei river plains, about 6.32%. The character of population in rodents, Cricetulus triton and Apodemus agrarius were predominant species at he valley's plains and Wei river Tai yan districts. But Apodemus agrarius is predominant species at urban of Xi an . The migration of rodents population in the area showed that R. flavipectus was obviously increasing for the past 10 years, and R. norvigicus was distinctly decreasing in the past 10 years. The relationship between rodents population and natural focus of endemic disease were discussed, and presented a programme about enhance the surveillance of diseases, promotion the work of of pest contorol to prevented rats-borne diseases to the local municipality.