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1982年1月至1983年1月,我们对天津地区褐家鼠不同生境的数量、活动节律,季节性数量变化等作了初步观察,现报告如下: 取材方法用3号铁板夹以夹日法逐月中旬在固定地点,分地区、分生境进行数量统计。对所获鼠的繁殖状况——作了剖检记录,同时于每月中旬在固定观测点(天津静海良头大队打谷场院,面积约2亩)用Dz—4型的动物活动自动记录仪,测定栖息于打谷场院内的褐家鼠不同时间活动量的变化,每月观测7昼夜。
January 1982 to January 1983, we conducted a preliminary observation of the number of Rattus norvegicus in different habitats in Tianjin, activity rhythm, seasonal changes in the number of were made as follows: The method of drawing material with a No. 3 iron clip to clip day Law mid-month in a fixed location, sub-region, the number of sub-Habitat statistics. The reproductive status of the mice obtained - made of the autopsy records, at the same time in the middle of each month at a fixed observation point (Tianjin Jinghai Liangtou threshing floor hospital, an area of about 2 acres) with animal activity type Dz-4 automatic record Rattus norvegicus, Rattus norvegicus, Rattus norvegicus, Rattus norvegicus, Rattus norvegicus