红松是东北分布最广和经济价值最大的主要树种之一,在其更新方面,直播是一种经济、简便而又节省时间的造林方法。但历年来,鼠类对直播种子的危害非常严重。通过最近两年的研究,我们发现:1.在我们工作的地区(小兴安岭带岭林区),按照啃食松子和破坏播种穴的方式,确定害鼠的种类(体为害程度排 Korean pine is one of the most widely distributed and economically significant major tree species in Northeast China. In its update, live broadcast is an economical, simple and time-saving afforestation method. However, over the years, the harm of rodents to live seeds is very serious. Through the research of the past two years, we found: 1. In the area where we work (Xiaoxing’anling with Linglin area), according to the way of eating pine nuts and destroying sowing holes, the types of harmful rats