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一、年龄简易查定法确定林木年龄是森林调查中的一个难题,一般得采伐树木,查数伐根年轮数来确定,这种方法既费事又浪费木材,必须研究一种简易的查定法。以前研究依树皮层次查定树木年龄的方法,对大多数阔叶树种来说,不失为是一种查定年龄的简易方法,但对针叶树来说尚有困难。笔者曾经依胸高直径平均生长量来确定林分平均年龄的方法,对大兴安岭落叶松天然林
A simple age to determine the method to determine the age of forest trees is a problem in forest surveys, the general may have to cut trees, check the number of cutting roots to determine, this method is both waste and waste of wood, you must study a simple search method. In the past, the method of determining the age of trees according to the bark level was an easy way to find the age for most of the broadleaf species, but it was still difficult for the conifer. The author has based on the average height growth of thoracic diameter to determine the average age of the forest, the natural forest of Daxinganling larch