用臼齿咀嚼面磨损程度鉴定达乌尔黄鼠年龄(以下简称黄鼠),观察该地区种群结构,预测黄鼠的变化取得明显成效。现报告如下: 黄鼠头骨标本采自吉林平台地区,于1988～1991年,每年春季在16个调查点捕鼠制作的,计365只。 The age of dauricus dauricus was identified by the wear degree of the chewing surface of the molars (hereinafter referred to as the squirrel), the population structure in the area was observed, and the change of the squirrel was predicted to achieve remarkable results. The report is as follows: The chinchilla skull specimens were taken from the Jilin platform area and from 1988 to 1991, 365 were collected from rats at 16 investigation points each spring.