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題 名 | A Population Study of House Mice (Mus Musculus Castaneus) Inhabiting Rice Granaries in Taiwan=臺灣米倉內小家鼠之族群研究 |
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作 者 | 周志文; 李培芬; 盧高宏; 于宏燦; | 書刊名 | 動物研究學刊 |
卷 期 | 37:3 1998.07[民87.07] |
頁 次 | 頁201-212 |
分類號 | 389.62 |
關鍵詞 | 年齡結構; 臼齒磨痕; 族群量; 性比; 蟲; Age structure; Tooth wear; Population size; Sex ratio; Tapeworm; |
語 文 | 英文(English) |
中文摘要 | 我們在臺灣五個鄉鎮的穀倉,採集小家鼠研究其族群生物學,包括族群量、生殖 生物學、性比和年齡結構等。各地穀倉內的小家鼠族群量變化頗大,這可能和稻米儲存的時 間有關。小家鼠可以終年生殖,和他們與人共居的習性相關。我們建立並比較兩種鑑定小家 鼠年齡的方法:臼齒磨痕和體重。不同季節,穀倉內的老鼠族群年齡結構維持穩定,似乎是 連續生殖的結果。 多數族群的性比為 1:1,但是在年長的老鼠中,公老鼠的數目似乎少於 母老鼠。我們也發現小家鼠族群中有很高的蟲感染率,而且有嚴重的缺齒情況。 |
英文摘要 | Samples of house mice (Mus musculus castaneus) were collected from rice granaries in 5 townships in Taiwan to study the population biology of the species, including population dynamics, reproductive biology, sex ratio, and age structures. The population sizes among granaries were highly variable and this is assumed to result from changes of rice storage. House mice can breed year round, as expected by the species commensal habits.Two methods for age determination, i.e., tooth wear patterns and body weight criteria, were established and compared. Age structure of the populations seemed to have remained stable as a result of continuous breeding activities. Sex ratio of the populations were 1:1, but fewer males were represented among old mice than among young mice. Finally, we report on high rates of tapeworm infection and missing teeth in these mouse populations. |
本系統中英文摘要資訊取自各篇刊載內容。