在不可能横切桩茎数年轮时,怎样才能比较科学地、准确地判断树桩的年龄? 目前,鉴定树桩年龄的通用方法,是计算树干的年轮(即生长轮)。方法是锯开树茎数轮,或用特制的空心钻横向穿茎,取蕊敬轮。这两种方法都很科学、准确,但都要损伤树木。近年有报道(见《森林与人类》1987.4),一些国家为避免伤害古 How can we judge the stump age more scientifically and accurately when it is not possible to transect the stalk rings? Currently, the general method for identifying the stump age is to calculate the annual ring (ie, growth ring) of the trunk. The method is to cut a few rounds of tree stems, or use a special hollow drill horizontal stem, take Rui Jing round. Both of these methods are scientific and accurate, but they all damage trees. It has been reported in recent years (see “Forests and Mankind” 1987.4) that some countries tried to avoid harming the past