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1980年4—5月份,在榕江县平阳、腊友平江等公社的杉、松林中,初次发现松杉干皮被鼠类啃害,初步调查2000亩松杉混交林,受害株率高达90％以上,损失十分严重。 在省林业厅和贵阳师范学院生物系帮助下,通过三年多的调查和查阅有关资料,明确了我县危害松杉树皮的害鼠是赤腹松鼠和珀氏长吻松鼠,并初步掌握了它们的活动规律。
From April to May 1980, in the cedars and pine forests of communes such as Pingyang and Lanyoupingjiang in Rongjiang County, it was found for the first time that the dried cedar of Pinus firweii was eaten by rodents. The preliminary investigation was about 2000 mu of coniferous fir mixed forest with a strain rate of up to 90 % Or more, the loss is very serious. With the help of the Department of Biology of the Provincial Forestry Department and Guiyang Teachers College, after more than three years of investigation and consulting of the relevant data, it has been clarified that the harmful rats that harmed the pine tree bark in our county are the red-bellied squirrels and the long-stapled squirrels, and initially mastered Their activity patterns.