1974年我院部分师生在黑龙江省森调第一、二大队的协助下,在东北林学院带岭凉水实验林场用模拟样地法进行了森林资源调查,同时对该林场天然林各主要树种的生长量及枯损率作了测定,现将测定方法简介如下。 In 1974, some teachers and students in our hospital, with the help of the first and the second brigade of Heilongjiang Province, conducted a survey on forest resources with simulated sample plot method in Lianglin Experimental Forest Farm of Linglin in Northeast Forestry College. At the same time, The growth rate and the rate of loss was measured, the determination method is as follows.