广东省信宜市鼠形动物种群结构的调查

目的调查广东省信宜市鼠形动物种群结构。方法在不同生境采用鼠笼、电子捕鼠器等工具捕捉鼠形动物．研究其种群结构的种类。结果共捕获鼠形动物2目2科6属8种共922只。野外生境共捕获鼠形动物2目6科，以青毛鼠为优势种，占28％，黄毛鼠为18％，室内生境共捕获鼠形动物2目4种，以黄胸鼠为优势种，占54％，褐家鼠、臭鼩鼱为常见种，分别占28%和14％。结论野外生境啮齿动物种群丰富，而室内生境较单一，但家鼠仍以黄胸鼠为主要优势种群。

Investigation on the Populations of the Rodent-like Animals in Xingyi City of Guangdong Province

Objective To study the populations of the rodent-like animals in Xingyi,Guangdong.Method The rodent-like animals were captured by mouse trap in different habitats. Results A total of 922 the rodent-like animals were captured and identified, which belong to 8 species of 6 genera, 2 families, and 2 orders. Six species of the rodent-like animals were captured in the wild fields, of which B.bowersi(28%) and R.losea(18%) were the dominant species. Four species of the rodent-like animals were captured in indoor, of which the dominant species were R.flavipectus(54%) and R.norvegicus(28%). Conclusion The populations of rodents in the wild habitats were diverse while those in indoor habitats were restricted to few species. R.flavipectus was still the dominant species of the indoor habitat.