大理市小型哺乳动物种群分布的研究

目的 调查大理市小型哺乳动物种群的分布。方法 选择调查点，采用捕鼠笼、捕鼠夹和电于捕鼠器等工具捕捉野外和室内的小型哺乳动物，鉴定其种类。结果 以哀牢山捕获小兽种类最多为20种，野外以齐氏姬鼠、大绒鼠和中华姬鼠为常见种，室内仅捕获褐家鼠；苍山捕获小兽15种，野外以斯氏家鼠、中缅树鼩和齐氏姬鼠为常见种，室内为褐家鼠；凤仪捕获小兽10种，以斯氏家鼠、齐氏姬鼠和中缅树鼩为野外常见种，黄胸鼠和褐家鼠为室内常见种；湾桥捕获小兽10种，野外常见种为齐氏姬鼠和大绒鼠，室内优势种为褐家鼠。结论 大理市不同调查点小型哺乳动物种群分布有差别。

Study on the Distribution of the Small Mammals in Dali

Objective To investigate the distribution of the small mammals in Dali.Methods Small mammals were captured by mouse-trap in different ecological habitats, then the species of small mammal were identified.Results Twenty species of small mammal were captured in Ailao Mountain. A.chevrieri, E.miletus and A.draca were the common species in field, the species of small mammal indoors was only R.norvegicus .Fifteen species of small mammals were captured in Cangshan Mountain, R.rattus sladeni.T.belangeri and A.chevrieri were the common species in field, R.norvegicus was the dominant species indoors.Ten species of small mammals were captured in Fengyi. R.rattus sladeni,A.chevrieri and T.belangeri were common species in field, R.flavipectus and R.norvegicus were common species indoors. Ten species of small mammals were captured in Wanqiao. A.chevrieri and E.miletus were the common species in field, R.norvegicus was the dominant species indoors.Conclusion The distribution of small mammals varied in different investigate place.